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12.5411,20.8213,24.1652,26.9781,27.4534,30.0283,62.4012,112.6556,112.8816,114.1810,119.6895,124.2375,143.2206,144.0681,146.7517,165.3675
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zeng2010: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2012-06-19 21:31:50
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21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
12.5411,20.8213,24.1652,26.9781,27.4534,30.0283,62.4012,112.6556,112.8816,114.1810,119.6895,124.2375,143.2206,144.0681,146.7517,165.3675



  
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1 .     5,10-dihydro-indeno[1,2-b]indole-1,4-diol
C15H11NO2     ÏàËƶÈ:56.2%
Bioorganic & Medicinal Chemistry          2009          17          6583-6589
Antioxidant activity of 5,10-dihydroindeno[1,2-b]indoles containing substituents on dihydroindeno part
Oktay Talaz, İlhami G¨¹lçin, S¨¹leyman Göksu, Nurullah Saracoglu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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2 .     neoechinulin A
    ÏàËƶÈ:55.5%
China Journal of Chinese Materia Medica          2008          33          1032-1035
Studies on chemical constituents of Saussurea laniceps
DAWA Zhuoma, ZHOU Yan, BAI Yang, GESANG Suolang, XIE Ping, DING Lisheng
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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3 .     Cyclocymopol monomethyl ether 2a
    ÏàËƶÈ:52.9%
Phytochemistry          1982          21          2139-2141
Diastereoisomers of cyclocymopol and cyclocymopol monomethyl ether from Cymopolia barbata
Oliver J. Mcconnell, Patricia A. Hughes, Nancy M. Targett
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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4 .     neoechinulin A
    ÏàËƶÈ:52.6%
Chemical & Pharmaceutical Bulletin          2004          52(3)          375-376
Golmaenone, a New Diketopiperazine Alkaloid from the Marine-Derived Fungus Aspergillus sp.
Yong LI,Xifeng LI,Se-Kwon KIM,Jung Sook KANG,Hong Dae CHOI,Jung Rae RHO,and Byeng Wha SON
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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5 .     n-hexacosanylferulate
    ÏàËƶÈ:52.6%
Acta Pharmaceutica Sinica          2005          Vol 40          935-939
Chemical constituents from the mangrove plant Ceriops tagal
ZHANG Yan; DENG Zhi-wei; GAO Tian-xiang; FU Hong-zheng; LIN Wen-han
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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6 .     4'-O-3-methyl-2-butenoyl rutaretin
C19H20O6     ÏàËƶÈ:52.6%
Heterocycles          2006          69          481-486
New Furanocoumarins Isolated from the Roots of Ferulago isaurica Pesmen Growing in Turkey
Ceyda Sibel (Erdurak) Kilic, Yoshihito Okada, Maksut Coskun, and Toru Okuyama*
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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7 .     neoechinulin A
C19H21O2N3     ÏàËƶÈ:52.6%
Natural Product Research and Development          2007          19          48-50
Neoechinulin A:An Indole Alkaloid Isolated from Metabolites of Plant Endophyte
WANG Wei; CHEN Chao; YANG Jun; HU Chang-qi*
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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8 .     B-5354a
C19H29NO3     ÏàËƶÈ:52.6%
The Journal of Antibiotics          2000          53          753-758
B-5354a, b and c, New Sphingosine Kinase Inhibitors, Produced by a Marine Bacterium; Taxonomy, Fermentation, Isolation, Physico-chemical Properties and Structure Determination
KEITA KONO,MASAHIRO TANAKA,TADAYOSHI MIZUNO,KENTARO KODAMA,TAKESHI OGITA and TAKAFUMI KOHAMA
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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9 .     6-epi-¦Â-snyderol
C15H25OBr     ÏàËƶÈ:50%
Journal of Natural Products          2009          72          1716-1719
Metabolites from the Sea Hare Aplysia fasciata
Efstathia Ioannou, Michela Nappo, Conxita Avila, Constantinos Vagias, and Vassilios Roussis
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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10 .     compound 26
    ÏàËƶÈ:50%
Journal of Natural Products          2005          68          1581-1587
Extraction, Hemisynthesis, and Synthesis of Canthin-6-one Analogues. Evaluation of Their Antifungal Activities
Flor Soriano-Agatn, Delphine Lagoutte, Erwan Poupon, Franois Roblot,Alain Fournet, Jean-Charles Gantier, and Reynald Hocquemiller
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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11 .     2-{[Exo-1,7,7-trimethylbicyclo-[2.2.1]hept-2-yl]hydroxy}phenol
    ÏàËƶÈ:50%
Chemistry of Natural Compounds          2007          43          245-248
ALKYLATION OF PYROCATECHOL AND RESORCINOL BY CAMPHENE
I. Yu. Chukicheva, I. V. Timusheva,L. V. Spirikhin, and A. V. Kuchin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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12 .     1-Acetyl-3-methyl-4-(3-ethoxy-4-acetoxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-one
C16H18N4O5     ÏàËƶÈ:50%
Molecules          2005          10          961-970
Synthesis and Non-Aqueous Medium Titrations of Some New 4-Benzylidenamino-4, 5-dihydro-1H-1, 2, 4-triazol-5-one Derivatives
Haydar Y¨¹ksek, Osman Üc¨¹nc¨¹, Muzaffer Alkan, Zafer Ocak and Sule Bahceci
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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13 .     nodakenetin
    ÏàËƶÈ:50%
Acta Pharmaceutica Sinica          1994          29          49-54
ISOLATLON AND STRUCTRAL ELUCIDATION OF QIANHUCOUMAKIN D AND QIANHUCOUMARIN E FROM PEUCEDANUM PRAERUPTORUM
LY; Kong; X Li; YH Pei and TR zhu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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14 .     hydroxyechinofuran
C16H16O4     ÏàËƶÈ:50%
Phytochemistry          1998          47          1037-1039
Formation and secretion of a new brown benzoquinone by hairy root cultures of Lithospermum erythrorhizon
Hiroshi Fukui, A. F. M. Feroj Hasan, Tomohiro Ueoka, Masaharu Kyo
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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15 .     8,9-dihydro-8-(1-hydroxy-1-methylethyl)-6-(3-methylbut-2-enyloxy)furo-2,3-h]-benzopyran-2-one
C19H22O5     ÏàËƶÈ:50%
Phytochemistry          1996          43          877-879
Coumarins from the aerial parts of Chorilaena quercifolia
Achille Nouga Bissoue, Fr¨¦d¨¦ric Muyard, François Bevalot, François Tillequin, Marie-France Mercier, James A. Armstrong, Jacqueline Vaquette, Peter G. Waterman
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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16 .     1-Isopropyl-2,4,4a,9-tetrahydro-3H-xanthene
    ÏàËƶÈ:50%
Chemistry of Natural Compounds          2011          Vol. 47, No. 4          556-565
ALKYLATION OF PHENOL BY MYRTENOL
A. A. Koroleva, I. Yu. Chukicheva,I. V. Fedorova, and A. V. Kuchin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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17 .     4-{(3,5-dimethylphenoxy)methylene}-9-methyl-2,3,4,9-tetrahydrothiopyrano[2,3-b]indole
C21H21NOS     ÏàËƶÈ:50%
Journal of Heterocyclic Chemistry          2009          46          62-68
Regioselective unusual formation of spirocyclic 4-{3'-benzo(2',3'-dihydro)furo}-9-methyl-2,3,9-trihydrothiopyrano [2,3-b]indole by acid-catalyzed reaction of enol ethers
K. C. Majumdar,S. Alam and B. Chattopadhyay
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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18 .     1-n-butyl-2-methyl-4,9-dihydro-3H-3,4-carbazoldione
    ÏàËƶÈ:50%
Journal of Heterocyclic Chemistry          2003          40          411-417
Synthesis and biological evaluation of structural variants of carbazoquinocin C
Alparslan Ayg¨¹n and Ulf Pindur
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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19 .     (S)-(-)-2-(acetoxymethyl)-N-(ethoxycarbonyl)-5-nitroindolin
C14H16N2O6:     ÏàËƶÈ:50%
Journal of Heterocyclic Chemistry          2002          39          895-900
Stereoselective dimerization of benzylic amines derived from indoline
Ireneusz Nowak and Clifford George
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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20 .     ethyl 8-(4-nitrophenyl)imidazo[1,2-a]pyridine-7-carboxylate
C16H13N3O4     ÏàËƶÈ:50%
Heterocycles          2010          81          185-194
Facile Synthesis of Imidazo[1,2-a]pyridines via Tandem Reaction
Jiong Jia, Yan-Qing Ge, Xu-Tang Tao, and Jian-Wu Wang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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21 .     l-2-(2-hydroxypropan-2-yl)-1-(3-methoxyphenyl)cyclobutanecarbonitrile
C15H19NO2     ÏàËƶÈ:50%
Heterocycles          2009          78          1955-1976
Regio and Stereo Selectivity on the ¦Á-Aryl-¦Ä-epoxynitrile Anionic Cyclization Reactions: Modulation towards a 5-Endo or 4-Exo Process
Jes¨²s Armando Luj¨¢n-Montelongo, Adri¨¢n V¨¢zquez-S¨¢nchez, and Jos¨¦ Gustavo Ávila-Z¨¢rraga
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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22 .     nupharidine
    ÏàËƶÈ:50%
Heterocycles          2009          79          1101-1105
Nupharic Acid, a New Sesquiterpene Alkaloid from Nuphar japonicum
Noriyuki Kogure, Akiko Nozoe, Mariko Kitajima, and Hiromitsu Takayama
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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23 .     Epicatunaregin
C16H20O5     ÏàËƶÈ:50%
Helvetica Chimica Acta          2010          93          339-343
Catunaregin and Epicatunaregin, Two Norneolignans Possessing an Unprecedented Skeleton from Catunaregam spinosa
Guang-Chun Gao, Xiong-Ming Luo, Xiao-Yi Wei, Shu-Hua Qi, Hao Yin, Zhi-Hui Xiao and Si Zhang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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24 .     3,3'-dimethylellagic acid-4-O-sulphate
C16H10O11S     ÏàËƶÈ:50%
Chinese Traditional and Herbal Drugs          2009          40          686-689
Chemical constituents in leaves of Euphorbia soongarica
SHI Xin-hong; XU De-ran; KONG Ling-yi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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25 .     4-Hydroxy-3-([2-(1H-2-indolyl)phenyl]iminomethyl)benzoic acid
C22H16N2O3     ÏàËƶÈ:50%
Archiv der Pharmazie          2009          342          533-540
6-Substituted Indolo[1,2-c]quinazolines as New Antimicrobial Agents
Rondla Rohini, Kanne Shanker, P. Muralidhar Reddy, Vasam Chandra Sekhar and Vadde Ravinder
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------

26 .     Boc-L-Leu¦×(CSNH)Val-pNA
    ÏàËƶÈ:50%
Bioorganic & Medicinal Chemistry          1996          4          2201-2209
Use of BOP-Cl in the presence of Boc-amino monothioacids for the thioacylation of iminoacid residues
Hoang-Thanh Le, Jean-François Gallard, Michel Mayer, Eric Guittet, Robert Michelot
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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27 .     compound 13
    ÏàËƶÈ:50%
Bioorganic & Medicinal Chemistry          1998          6          31-41
Further antineoplastic terpenylquinones and terpenylhydroquinones
Jos¨¦M. Miguel del Corral, Marina Gordaliza, M. Angeles Castro, M.Mar Mahiques, Arturo San Feliciano, M.Dolores Garc¨ªa-Gr¨¢valos
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------

28 .     1,2-dimethoxy-6-propyl-5,6,6a,7-tetrahydro-4H-benzo[de][1,2,3]thiadiazolo[4,5-g]quinoline
    ÏàËƶÈ:50%
Bioorganic & Medicinal Chemistry          2000          8          201-214
Ligand design for ¦Á1 adrenoceptor subtype selective antagonists
John B Bremner, Burak Coban, Renate Griffith, Karina M Groenewoud, Brian F Yates
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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29 .     ethyl 7§Ñ-hydroxy-2-methyl-7-(3-nitrobenzylidene)-4-(3-nitrophenyl)-4,4§Ñ,5,6,7,7§Ñ-hexahydrocyclopentapyran-3-carboxylate
C25H24N2O8     ÏàËƶÈ:50%
Russian Journal of Organic Chemistry          2011          47          1690-1694
Condensation of 2,6-diarylmethylidenecyclohexa(penta)nones with acetylacetone and ethyl acetoacetate
T. V. Gulai, A. A. Morozova and A. G. Golikov
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

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30 .     neryl acetate
    ÏàËƶÈ:50%
Organic Magnetic Resonance          1973          5          147-153
Configurations and conformations in acyclic, unsaturated hydrocarbons. A 13C NMR study
J. W. de Haan and L. J. M. Van de Ven
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ

--------------------------------------------------------------------------------
2Â¥2012-06-19 21:26:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÏÄСÃÀ123456

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»¯ºÏÎïA¡¢13C NMR (151 MHz, CDCl3) ¦Ä 198.73, 147.98, 141.90, 132.55, 132.02, 126.75, 124.72, 98.90, 70.63, 46.38, 40.30, 36.58, 36.08, 33.91, 33.65, 29.30, 26.93, 23.70, 18.20.

»¯ºÏÎïB¡¢13C NMR (151 MHz, CDCl3) ¦Ä 193.79, 174.75, 148.98, 147.50, 147.12, 146.68, 143.04, 140.30, 129.55, 129.12, 121.13, 120.56, 114.71, 114.18, 110.05, 109.59, 72.56, 56.06, 52.20, 49.98, 47.55, 45.79, 39.99, 37.39, 35.86, 31.98, 24.26, 22.73, 22.42, 21.90.

»¯ºÏÎïC¡¢13C NMR (151 MHz, CDCl3) ¦Ä 214.16, 182.02, 144.45, 128.06, 62.54, 60.46, 54.05, 48.19, 43.91, 43.35, 42.78, 40.41, 39.30, 38.81, 37.61, 28.39, 24.24, 18.86, 18.17, 15.43, 14.82, 14.19.
3Â¥2012-06-19 22:37:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Keydream

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3Â¥: Originally posted by ÏÄСÃÀ123456 at 2012-06-19 22:37:39
ÇóÖú΢Æ×Êý¾Ý¿â3¸ö»¯ºÏÎï

»¯ºÏÎïA¡¢13C NMR (151 MHz, CDCl3) ¦Ä 198.73, 147.98, 141.90, 132.55, 132.02, 126.75, 124.72, 98.90, 70.63, 46.38, 40.30, 36.58, 36.08, 33.91, 33.65, 29.30, 26.93, 23.70, 18 ...

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4Â¥2012-06-20 00:09:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Keydream

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21.4,30.4,37.4,73.2,73.7,125.6,126.6,139.6,140.2,168.2
198.73, 147.98, 141.90, 132.55, 132.02, 126.75, 124.72, 98.90, 70.63, 46.38, 40.30, 36.58, 36.08, 33.91, 33.65, 29.30, 26.93, 23.70, 18.20  
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1 .     (1R*,3S*)-3-[4-(1,1-dimethylbutyl)phenyl]cyclohexanol
C18H28O     ÏàËƶÈ:63.1%
Bioorganic & Medicinal Chemistry          2008          16          322-335
Synthesis and pharmacology of 1-deoxy analogs of CP-47,497 and CP-55,940
John W. Huffman, Alicia L.S. Thompson, Jenny L. Wiley, Billy R. Martin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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2 .     20-deoxocarnosol
C24H32O5     ÏàËƶÈ:60%
Phytochemistry          1984          23          1677-1679
An abietane diterpene from the labiate Coleus barbatus
Alphonse Kelecom
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

3 .     androsta-4,8(14),15-triene-3,17-dione
C19H22O2     ÏàËƶÈ:57.8%
Journal of Natural Products          1991          Vol 54          178
Microbial Transformation of Cycloartenol, 24-Methylenecycloartanol, and Lanosterol, II. Isolation and Characterization of C19 Steroids
Shoei-Sheng Lee, Liang-Hwa Young, K. C. Wang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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4 .     4-hydroxy-19-norabieta-8,11,13-trien-7-one,
    ÏàËƶÈ:57.8%
Phytochemistry          1995          39          391-394
Norditerpenes from Juniperus chinensis
Ching-Kuo Lee, Jim-Min Fang, Yu-Shia Cheng
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

5 .     17¦Â-hydroxyandrost-4-en-3,6-dione
    ÏàËƶÈ:57.8%
Phytochemistry          1993          33          831-834
The biotransformation of some steroids by Cephalosporium aphidicola
James R. Hanson, Habib Nasir
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

6 .     Compound 13
    ÏàËƶÈ:57.8%
Bioorganic & Medicinal Chemistry Letters          1997          7          2925-2928
Synthesis of 11,13-bridged progestational steroids
A. I. A. Broess, M. B. Groen, H. Hamersma
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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7 .     (1R*,3S*)-3-[4-(1,1-dimethylpentyl)phenyl]cyclohexanol
C19H30O     ÏàËƶÈ:57.8%
Bioorganic & Medicinal Chemistry          2008          16          322-335
Synthesis and pharmacology of 1-deoxy analogs of CP-47,497 and CP-55,940
John W. Huffman, Alicia L.S. Thompson, Jenny L. Wiley, Billy R. Martin
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

8 .     taxamairin C
C21H28O5     ÏàËƶÈ:57.1%
Journal of Asian Natural Products Research          2002          4          147-154
NON-TAXANE COMPOUNDS FROM THE BARK OF TAXUS YUNNANENSIS
SHENG-HONG LI, HONG-JIE ZHANG, PING YAO, XUE-MEI NIU,WEI XIANG and HAN-DONG SUN
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

9 .     taxamairinC
    ÏàËƶÈ:57.1%
Journal of Shenyang Pharmaceutical University          2011          28          360-363
Isolation and identification of chemical constituents of root of Girardinia suborbiculata C. J. Chen subsp. Triloba
FENG Bao-min, LIU Jing-yan, WANG Hui-guo, SHI Li-ying, TANG Ling, WANG Yong-qi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

10 .     11-hydroxysugiol
    ÏàËƶÈ:55%
Helvetica Chimica Acta          2004          Vol. 87          2346
Abietanes and a Novel 20-Norabietanoid from Plectranthus cyaneus (Lamiaceae)
Tibor Horvath, Anthony Linden, Fumihiko Yoshizaki, Conrad Hans Eugster, and Peter R¨¹edi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

11 .     7¦Â-hydroxypimara-8,15-dien-14-one
C27H32N2O9     ÏàËƶÈ:55%
Phytochemistry          2003                   897-901
Alkaloids and a pimarane diterpenoid from Strychnos vanprukii
Piyanuch Thongphasuk, Rutt Suttisri, Rapepol Bavovada, Robert Verpoorte
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

12 .     7¦Â-hydroxy-teideadiol
C20H30O3     ÏàËƶÈ:55%
Phytochemistry          2003                   663-668
The microbiological transformation of the diterpenes dehydroabietanol and teideadiol by Mucor plumbeus
Braulio M. Fraga, Melchor G. Hern¨¢ndez, Jose M. Artega, Sergio Su¨¢rez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

13 .     11-hydroxysugiol
    ÏàËƶÈ:55%
Chinese Chemical Letters          2002          13          141-142
A New Abietane Diterpenoid from Orthosiphon wulfenioides
Wei XIANG, Sheng Hong LI, Qin Shi ZHAO, Zhi NA, Bei JIANG,Hong Jie ZHANG, Zhong Wen LIN, Han Dong SUN
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

14 .     demethylcryptojaponol
    ÏàËƶÈ:55%
China Journal of Chinese Materia Medica          2005          30          1753-1755
Studies on the chemical constituents in root of Coleus forskohlii
XU Lingling, LU Jie, LI Weijia, KONG Lingyi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

15 .     17¦Á-methyltestosterone
    ÏàËƶÈ:55%
Phytochemistry          1996          42          411-415
The hydroxylation of testosterone and some relatives by Cephalosporium aphidicola
James R. Hanson, Habib Nasir, Aslam Parvez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

16 .     7¦Â-hydroxybutenolide
C20H24O3     ÏàËƶÈ:55%
Journal of Natural Products          1994          Vol 57          882
Hydroxylation of Synthetic Abietane Diterpenes by Aspergillus and Cunninghamella Species: Novel Route to the Family of Diterpenes Isolated from Tripterygium wilfordii
R. Milanova, M. Moore, Y. Hirai
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

17 .     compound 6
C20H24O3     ÏàËƶÈ:55%
Journal of Natural Products          1994          Vol 57          882
Hydroxylation of Synthetic Abietane Diterpenes by Aspergillus and Cunninghamella Species: Novel Route to the Family of Diterpenes Isolated from Tripterygium wilfordii
R. Milanova, M. Moore, Y. Hirai
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

18 .     11-Hydroxysugiol
    ÏàËƶÈ:55%
Phytochemistry          1994          35          1279-1284
Abietanes and kauranes from leaves of Cryptomeria japonica
Wen-Chiung Su, Jim-Min Fang, Yu-Shia Cheng
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

19 .     compound 5
C19H30O2     ÏàËƶÈ:55%
Phytochemistry          1993          32          1225-1228
Viscidane diterpenes from Eremophila species
P. G. Forster, E. L. Ghisalberti, P. R. Jefferies
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

20 .     compound 7
    ÏàËƶÈ:55%
Phytochemistry          1991          30          3815-3817
Diterpenoids from the roots ofSalvia przewalskii
Li Bo, Niu Fan-Di, Lin Zhong-Wen, Zhang Hong-Jie, Wang De-Zu, Sun Han-Dong
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

21 .     (1R,3aR,4S,7aR)-1-((S)-6-hydroxy-6-methylheptan-2-yl)-7a-methyloctahydro-1H-inden-4-ol
C18H34O2     ÏàËƶÈ:55%
Heterocycles          2010          81          381-394
Synthesis of 20-Epi-eldecalcitol [20-Epi-1¦Á,25-dihydroxy-2¦Â-(3-hydroxypropoxy)vitamin D3: 20-Epi-ED-71]
Madoka Yoshino, Kohei Eto, Keisuke Takahashi, Jun Ishihara, Susumi Hatakeyama, Yoshiyuki Ono, Hitoshi Saito, and Noboru Kubodera
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

22 .     3¦Á,18-dihydroxy-3¦Â,20-epoxykaur-15-ene
C20H30O3     ÏàËƶÈ:55%
Molecules          2010          15          2178-2186
Chemical Constituents of Excoecaria acerifolia and Their Bioactivities
Yan-Li Zhao, Qiu-Xia He, Yang Li, Si-Feng Wang, Ke-Chun Liu, Yong-Ping Yang and Xiao-Li Li
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

23 .     12-O-demethylcryptojaponol
    ÏàËƶÈ:55%
Magnetic Resonance in Chmesitry          2003          41          741-746
1H and 13C NMR spectral assignments of some natural abietane diterpenoids
Benjam¨ªn Rodr¨ªguez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

24 .     compound 10b
    ÏàËƶÈ:55%
Phytochemistry          1984          23          1194-1196
The structure of sagittariol
Shekhar C. Sharma, J.S. Tandon, Barry Porter, Muppala S. Raju, Ernest Wenkert
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

25 .     17¦Á-methyltestosterone
    ÏàËƶÈ:55%
Steroids          1992          57          122-134
Synthesis and characterization by 1H and 13C nuclear magnetic resonance spectroscopy of 17¦Á-hexanoic derivatives of 5¦Á-dihydrotestosterone and testosterone
Elisabeth Mappus, M¨¦lanie Renaud, Marc Rolland de Ravel, Catherine Grenot, Claude Y. Cuilleron
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

26 .     compound 5
    ÏàËƶÈ:55%
Steroids          1992          57          306-312
Studies on anabolic steroids. 9. Tertiary sulfates of anabolic 17¦Á-methyl steroids: synthesis and rearrangement
Honggang Bi, Robert Mass¨¦, George Just
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

27 .     bromosphaerol-B
C20H32Br2O     ÏàËƶÈ:55%
Tetrahedron          2008          64          5184-5190
Cytotoxic bromoditerpenes from the red alga Sphaerococcus coronopifolius
Vangelis Smyrniotopoulos, Antonio Quesada, Constantinos Vagias, Dimitri Moreau, Christos Roussakis, Vassilios Roussis
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

28 .     Excoagallochaol A
C20H34O2     ÏàËƶÈ:55%
Journal of Chinese Pharmaceutical Sciences          2010          19          387-392
Assignment of the absolute stereochemistry of an unusual diterpenoid from the mangrove plant Excoecaria agallocha L.
Zhen Liu; Wei Jiang; Zhi-Wei Deng; Wen-Han Lin*
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

29 .     Lanyuamide IV
C18H31NO2     ÏàËƶÈ:52.6%
Helvetica Chimica Acta          2001          Vol. 84          830
N-Isobutylamides and Butyrolactone from the Fruits of Zanthoxylum integrifoliolum
Ian-Lih Tsai, Wei-Yu Lin, Mei-Wen Huang, Tzu-Li Chen, and Ih-Sheng Chen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

30 .     triterpenoid
C30H50O2     ÏàËƶÈ:52.6%
Journal of Natural Products          1999          62          653-654
A New Acyclic Diketotriterpenoid Isolated from the Indonesian Marine Sponge Hyrtios erectus
David E. Williams, Akbar Tahir, and Raymond J. Andersen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

31 .     pseudodistomin E
C18H34N2O     ÏàËƶÈ:52.6%
Journal of Natural Products          1997          60          986-990
Three New Pseudodistomins, Piperidine Alkaloids from the Ascidian Pseudodistoma megalarva
Alan J. Freyer, Ashok D. Patil, Lew Killmer, Nelson Troupe, Mary Mentzer, Brad Carte, Leo Faucette, and Randall K. Johnson
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

32 .     neoavarol
C21H30O2     ÏàËƶÈ:52.6%
Chemical & Pharmaceutical Bulletin          1990          38          1121-1123
New Sesquiterpenoid Hydroquinone and Quinones from the Okinawan Marine Sponge (Dysidea sp.)
Kazuo IGUCHI,Akira SAHASHI,Yasuji YAMADA and Junichi KOHNO
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

33 .     compound 2
C18H28O     ÏàËƶÈ:52.6%
Chemical & Pharmaceutical Bulletin          1980          28          3452-3454
Labdane and Bisnorlabdane Type Diterpenes from Alpinia speciosa K. SCHUM.
HIDEJI ITOKAWA,MAKOTO MORITA and SUSUMU MIHASHI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

34 .     7¦Á,18-dihydroxydehydroabietanol
C20H30O2     ÏàËƶÈ:52.6%
Chemical & Pharmaceutical Bulletin          1987          35          229-234
Constituent of Pollen. XIII. Constituents of Cedrus deodara LOUD. (2)
TAICHI OHMOTO,KEEKO KANATANI (n¨¦e INAGAKI) and KYOKO YAMAGUCHI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

35 .     5¦Á-Androst-3-en-17¦Â-ol
    ÏàËƶÈ:52.6%
Steroids          2008          73          1409-1415
Synthesis and biochemical studies of 17-substituted androst-3-enes and 3,4-epoxyandrostanes as aromatase inhibitors
Margarida M.D.S. Cepa, Elisi¨¢rio J. Tavares da Silva, Georgina Correia-da-Silva, Fernanda M.F. Roleira, Nat¨¦rcia A.A. Teixeira
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

36 .     compound 6
    ÏàËƶÈ:52.6%
Natural Product Research          1993          2          91-95
A One-step Regioselective Construction of the Steroid Skeleton by Lewis Acid Catalyzed High Pressure Diels-Alder Reaction1
Easter Gacs-baitz; Lucio Minuti; Hans W. Scheeren; Roberta Selvaggi; Aldo Taticchi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

37 .     2,5-dihydroxyisocostic acid
    ÏàËƶÈ:52.6%
Natural Product Research          2007          21          824-827
Sesquiterpene compounds from Inula viscosa
Gianfranco Fontana; Salvatore La Rocca; Salvatore Passannanti; Maria Pia Paternostro
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

38 .     3 ',4'-dihydroxy-biabola-1,10-diene
    ÏàËƶÈ:52.6%
China Journal of Chinese Materia Medica          2009          34          1101-1103
Chemical constituents from air-dried Piper longum
LIU Wenfeng, JIANG Zhiyong, CHEN Jijun, ZHANG Xuemei, MA Yunbao
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

39 .     cleroda-3,13 (E)-dien-15,18-diol
C20H34O2     ÏàËƶÈ:52.6%
Fitoterapia          2007          78          611-613
New phenolic esters from the resinous exudate of Haplopappus taeda
Francesca Faini , Cecilia Labb¨¦ , Ren¨¦ Torres , Jes¨²s M. Rodilla ,Luc¨ªa Silva , Franco Delle Monache
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

40 .     3,4-dihydroxy-bisabola-1,10-diene
C15H26O2     ÏàËƶÈ:52.6%
Phytochemistry          1997          45          537-544
Oxygenated bisabolanes from Alpinia densibracteata
Lai-King Sy, Geoffrey D. Brown
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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1 .     exodeconolide A acetylation
    ÏàËƶÈ:53.3%
Journal of Natural Products          1997          60          568-572
16-Hydroxylated Withanolides from Exodeconus maritimus
Roberto R. Gil, Rosana I. Misico, Ignacio R. Sotes, and Juan C. Oberti
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

2 .     6¦Â-O-6',7'-dihydroxycinnamoyl-18-vouacapaneoic acid
C29H3407     ÏàËƶÈ:53.3%
Fitoterapia          2011          82          969-975
New cassane diterpenes from Caesalpinia echinata
Betania Barros Cota, Djalma Menezes de Oliveira, Ezequias Pessoa de Siqueira, Elaine Maria Souza-Fagundes, Adriano M.C. Pimenta, Daniel M. Santos, Ana Rabello, Carlos Leomar Zani
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

3 .     lappaol C
    ÏàËƶÈ:53.3%
Chinese Journal of Natural Medicines          2006          4          444-447
Chemical Constituents of Antihyperglycemic Active Fraction from Arctium lappa
XU Zhao-Hui; ZHAO Ai-Hua; GAO Xian-Fu; JIA Wei
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

4 .     3¦Â-acetoxy-16¦Â-[4-(3-aminophenyl)-1H-1,2,3-triazol-1-ylmethyl]androst-5-en-17¦Â-ol
C30H40N4O3     ÏàËƶÈ:53.3%
molecules          2011          16          4786-4806
Synthesis and In Vitro Antiproliferative Activity of Novel Androst-5-ene Triazolyl and Tetrazolyl Derivatives
Zal¨¢n K¨¢d¨¢r, D¨®ra Kov¨¢cs, Éva Frank, Gyula Schneider, Judit Huber, Istv¨¢n Zupk¨®, Tibor Bart¨®k and J¨¢nos Wölfling
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

5 .     compound 1c
    ÏàËƶÈ:51.6%
Bioorganic & Medicinal Chemistry          1998          6          1309-1335
Synthesis and activity of bivalent FKBP12 ligands for the regulated dimerization of proteins
Terence Keenan, David R. Yaeger, Nancy L. Courage, Carl T. Rollins, Mary Ellen Pavone, Victor M. Rivera, Wu Yang, Tao Guo, Jane F. Amara, Tim Clackson, Michael Gilman, Dennis A. Holt
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

6 .     (+)-isojaspic acid
C27H38O3     ÏàËƶÈ:50%
Journal of Natural Products          2007          70          628-631
Extending the Record of Meroditerpenes from Cacospongia Marine Sponges
Brent K. Rubio,Rob W. M. van Soest,and Phillip Crews
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

7 .     methyl 12,14-bis(phenylamino)dehydroabietate
C33H40N2O2     ÏàËƶÈ:50%
Journal of Natural Products          2001          64          761-766
Synthetic Derivatives of Abietic Acid with Radical Scavenging Activity
M. Alexandra Esteves,Nama Narender, Maria J. Marcelo-Curto,and B¨¢rbara Gigante
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

8 .     6-deoxy-9¦Á-hydroxycedrodorin
C27H34O9     ÏàËƶÈ:50%
Journal of Natural Products          1999          62          1260-1263
Four New Tetranortriterpenoids from Cedrela odorata Associated with Leaf Rejection by Exopthalmus jekelianus
Nigel C. Veitch, Geraldine A. Wright, and Philip C. Stevenson
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

9 .     fucosterol
C29H48O     ÏàËƶÈ:50%
Planta Medica          1997          63          571-572
Cytotoxic Sterols from the Formosan Brown Alga Turbinaria ornata
Jyh-Horng Sheu, Guey-Horng Wang, Ping-jyun Sung,Yen-Hung Chiu, and Chang-Yih Duh
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

10 .     withacoagulin F
C28H38O5     ÏàËƶÈ:50%
Chemistry & Biodiversity          2009          6          1415-1426
Immunosuppressive Withanolides from Withania coagulans
Chao-Feng Huang, Lei Ma, Li-Juan Sun, Mumtaz Ali, Mohammad Arfan, Jian-Wen Liu, and Li-Hong Hu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

11 .     compound 3
    ÏàËƶÈ:50%
Chemical & Pharmaceutical Bulletin          1993          41          1774-1779
Studies on Differentiation-Inducers from Arctium Fructus
Kaoru UMEHARA,Ariko SUGAWA,Masanori KUROYANAGI,Akira UENO and Takao TAKI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

12 .     arctignan B
C30H32O10     ÏàËƶÈ:50%
Chemical & Pharmaceutical Bulletin          1993          41          1774-1779
Studies on Differentiation-Inducers from Arctium Fructus
Kaoru UMEHARA,Ariko SUGAWA,Masanori KUROYANAGI,Akira UENO and Takao TAKI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

13 .     arctignan C
C30H32O10     ÏàËƶÈ:50%
Chemical & Pharmaceutical Bulletin          1993          41          1774-1779
Studies on Differentiation-Inducers from Arctium Fructus
Kaoru UMEHARA,Ariko SUGAWA,Masanori KUROYANAGI,Akira UENO and Takao TAKI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

14 .     compound 5
    ÏàËƶÈ:50%
Chemistry of Natural Compounds          1993          29          200-205
NEW GLYCOSIDES FROM THE HOLOTHURIAN Cucnmaria japonica
O. A. Drozdova, S. A. Avilov,A. I. Kalinovskii, V. A. Stonik,Yu. M. Mil'grom, and Ya. V. Rashkes
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

15 .     2¦Â-acetoxy-15-phenyl-(22,25-dihydroxy)-ent-labda-8(17),13(E)-diene
    ÏàËƶÈ:50%
Molecules          2009          14          2181-2194
Synthesis of Two New Hemisynthetic Diterpenylhydroquinones from Natural Ent-Labdanes
Luis Espinoza Catal¨¢n, Karen Catal¨¢n Mar¨ªn, Alejandro Madrid Villegas, H¨¦ctor Carrasco Altamirano, Joan Villena Garc¨ªa and Mauricio Cuellar Fritis
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

16 .     2¦Â-hydroxy-15-phenyl-(22,25-dihydroxy)-ent-labda-8(17),13(E)-diene
    ÏàËƶÈ:50%
Molecules          2009          14          2181-2194
Synthesis of Two New Hemisynthetic Diterpenylhydroquinones from Natural Ent-Labdanes
Luis Espinoza Catal¨¢n, Karen Catal¨¢n Mar¨ªn, Alejandro Madrid Villegas, H¨¦ctor Carrasco Altamirano, Joan Villena Garc¨ªa and Mauricio Cuellar Fritis
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

17 .     N-((tert-butylcarbamoyl)methyl)-N-(3-hydroxyphenyl)-3¦Â-hydroxyandrost-5-en-17¦Â-carboxamide
C32H46N2O4     ÏàËƶÈ:50%
Steroids          2010          75          659-664
Synthesis and preliminary biological screening of sterol analogues as new antifungal agents against plant pathogens
Fernando Alonso, Adriana M. Cirigliano, Gabriela M. Cabrera, Javier A. Ram¨ªrez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

18 .     N-((tertbutylcarbamoyl)methyl)-N-phenyl-3¦Â-hydroxypregn-5-ene-20-carboxamide
C34H50N2O3     ÏàËƶÈ:50%
Steroids          2010          75          659-664
Synthesis and preliminary biological screening of sterol analogues as new antifungal agents against plant pathogens
Fernando Alonso, Adriana M. Cirigliano, Gabriela M. Cabrera, Javier A. Ram¨ªrez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

19 .     ergosta-5,24(24')-diene-3¦Â,4¦Â,22R-triol
C28H46O3     ÏàËƶÈ:50%
Natural Product Research          2001          15          253-260
Cycloartanes, Protolimonoids, a Pregnane and a New Ergostane from Trichilia Reticulata
Wayne W. Harding; Helen Jacobs; Patrick A. Lewis; Stewart McLean; William F. Reynolds
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

20 .     6-deoxy-9¦Á-hydroxycedrodorin
    ÏàËƶÈ:50%
Natural Product Research          2008          22          763-800
13C NMR spectroscopy of D and B, D-ring seco-limonoids of Meliaceae family
T. Narender; T. Khaliq; Shweta
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

21 .     fucosterol
    ÏàËƶÈ:50%
Natural Product Sciences          2004          10          29-31
Determination of Fucosterol in the Marine Algae Pelvetia siliquosa by Gas Chromatography
Lee, Sang-Hyun; Lee, Yeon-Sil; Jung, Sang-Hoon; Lee, Hye-Seung; Kang, Sam-Sik; Shin, Kuk-Hyun
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

22 .     compound 4
C30H40O8     ÏàËƶÈ:50%
Phytochemistry          1995          39          417-422
Prenylated lignans from Haplophyllum ptilostylum
Ayhan Ulubelen, Roberto R. Gil, Geoffrey A. Cordell, Ali H. Meriçli, Filiz Meriçli
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

23 .     compound 13
    ÏàËƶÈ:50%
Bioorganic & Medicinal Chemistry Letters          2011          21          2232-2237
Az¦Á-annulation on the 16-dehydropregnenolone, via tandem intermolecular Aldol process and intramolecular Michael addition
Manmeet Kumar ,Preeti Rawat, Mohammad Faheem Khan , Arun Kumar Rawat ,Arvind Kumar Srivastava, Rakesh Maurya
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

24 .     compound 14
    ÏàËƶÈ:50%
Bioorganic & Medicinal Chemistry Letters          2011          21          2232-2237
Az¦Á-annulation on the 16-dehydropregnenolone, via tandem intermolecular Aldol process and intramolecular Michael addition
Manmeet Kumar ,Preeti Rawat, Mohammad Faheem Khan , Arun Kumar Rawat ,Arvind Kumar Srivastava, Rakesh Maurya
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

25 .     ÑÒÔåçÞ´¼
    ÏàËƶÈ:50%
Chinese Journal of Marine Drugs          2002          21(1)          1-4
Sterol con stituents from marine brown alga ishige okamurai
TANG Hai-feng, YI Yang-hua, YAO Xin-sheng
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

26 .     Solonamide A
C30H46N4O6     ÏàËƶÈ:50%
Marine drugs          2011          9          2537-2552
Inhibition of Virulence Gene Expression in Staphylococcus aureus by Novel Depsipeptides from a Marine Photobacterium
Maria Mansson,Anita Nielsen,Louise Kjærulff,Charlotte H. Gotfredsen,Matthias Wietz,Hanne Ingmer,Lone Gram and Thomas O. Larsen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

27 .     Fucosterol
C29H48O     ÏàËƶÈ:50%
Chemistry of Natural Compounds          2012          48          158-160
STEROIDS AND TRITERPENOIDS FROM THE BROWN ALGA Kjellmaniella crassifolia
Ze-Hong Wu,Tao liu,Chen-Xi Gu,Chang-Lun Shao,Jing Zhou,and Chang-Yun Wang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

28 .     fucosterol
    ÏàËƶÈ:50%
Natural Product Research          2012          26          774-777
Sterols from Sargassum oligocystum, a brown algae from the Persian Gulf, and their bioactivity
Parisa Permeh, Soodabeh Saeidnia, Ali Mashinchian-Moradi and Ahmad R. Gohari
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

29 .     lannotinidine I
C28H37NO6     ÏàËƶÈ:50%
Chemical & Pharmaceutical Bulletin          2009          57          877-881
Lannotinidines H¡ªJ, New Lycopodium Alkaloids from Lycopodium annotinum
Kan'ichiro Ishiuchi, Shihomi Kodama, Takaaki Kubota, Shigeki Hayashi, Toshiro Shibata and Jun'ichi Kobayashi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

30 .     Xyloccensin I
    ÏàËƶÈ:50%
Phytochemistry          1983          22          1297-1299
Limonoid extractives from Xylocarpus moluccensis
David A.H. Taylor
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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1 .     ent-18-acetoxykaur-15-en-7-one
C22H32O3     ÏàËƶÈ:63.6%
Journal of Natural Products          1990          Vol 53          441
Microbial Transformation of Tetracyclic Diterpenes: Conversion of ent-Kaurenones by Curvularia and Rhizopus Strains
Andres Garcia-Granados, Antonio Martinez, Antonio Ortiz, Maria Esther Onorato, Jose Maria Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

2 .     ent-18-hydroxykaur-15-en-7-one
    ÏàËƶÈ:61.9%
Journal of Natural Products          1990          Vol 53          441
Microbial Transformation of Tetracyclic Diterpenes: Conversion of ent-Kaurenones by Curvularia and Rhizopus Strains
Andres Garcia-Granados, Antonio Martinez, Antonio Ortiz, Maria Esther Onorato, Jose Maria Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

3 .     siderone
C20H28O3     ÏàËƶÈ:61.9%
Phytochemistry          1983          22          2537-2538
Siderone, a diterpene from Sideritis syriaca
Pietro Venturella, Aurora Bellino, Maria Luisa Marino
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

4 .     3¦Â-hydroxy-12-en-ursolic acid
    ÏàËƶÈ:59.0%
Acta Bot. Boreal. -Occident. Sin.          2005          25          1234-1237
Lipid-soluble Chemical Constituents in Sonchus oleraceus
HU Pei-zhuo, ZOU Chuan-zong, ZHU Ying
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

5 .     euphoranginol A 11-acetate
C22H34O3     ÏàËƶÈ:59.0%
Journal of Natural Products          1994          Vol 57          811
ent-Kaurane Diterpenoids from Euphorbia wangii
Zhong-Jian Jia, Jian-Gong Shi, Li Yang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

6 .     andrographic acid
C20H28O6     ÏàËƶÈ:57.1%
Chemical & Pharmaceutical Bulletin          2007          55(3)          455-458
Secondary Metabolites from Andrographis paniculata
Wenkui LI,Xudong XU,Hongjie ZHANG,Cuiying MA,Harry FONG,Richard VAN BREEMEN,and John FITZLOFF
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

7 .     15-normanoyloxide-14,18-dioic acid
C19H30O5     ÏàËƶÈ:57.1%
Phytochemistry          2008          69          1005-1012
Secondary metabolites from the aerial parts of Salvia palaestina Bentham
Giuseppina Cioffi, Ammar Bader, Anna Malafronte,Fabrizio Dal Piaz, Nunziatina De Tommasi
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

8 .     16-hydroxy-ent-kauranoic acid
    ÏàËƶÈ:57.1%
Chinese Chemical Letters          1992          3          435-436
A NEW DITERPENE LACTONE FROM TRIPTERYGUUM WILFORDII
DO QUAN YU,FENG ZHI XIE,XIAO TIAN LIANG
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

9 .     glaucocalyxin F
C20H32O4     ÏàËƶÈ:57.1%
Chinese Chemical Letters          2008          19          852-854
Two new diterpenoids from Rabdosia japonica var. glaucocalyx
Zhao Bao Xiang, Yi Xin Xu, Yang Shen, Li Jin, Hou Peng Wang, Hai Sheng Chen
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

10 .     sideridiol
    ÏàËƶÈ:57.1%
Journal of Natural Products          1990          Vol 53          441
Microbial Transformation of Tetracyclic Diterpenes: Conversion of ent-Kaurenones by Curvularia and Rhizopus Strains
Andres Garcia-Granados, Antonio Martinez, Antonio Ortiz, Maria Esther Onorato, Jose Maria Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

11 .     ent-18-hydroxykaur-15-ene-3,7-dione
    ÏàËƶÈ:57.1%
Journal of Natural Products          1990          Vol 53          441
Microbial Transformation of Tetracyclic Diterpenes: Conversion of ent-Kaurenones by Curvularia and Rhizopus Strains
Andres Garcia-Granados, Antonio Martinez, Antonio Ortiz, Maria Esther Onorato, Jose Maria Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

12 .     compound 4
    ÏàËƶÈ:57.1%
Journal of Natural Products          1992          Vol 55          660
Stevisalioside A, a Novel Bitter-Tasting ent-Atisene Glycoside from the Roots of Stevia salicifolia
Rachel Mata, Ver¨®nica Rodr¨ªguez, Rogelio Pereda-Miranda, Norito Kaneda, A. Douglas Kinghorn
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

13 .     compound 6
    ÏàËƶÈ:57.1%
Journal of Natural Products          1994          Vol 57          811
ent-Kaurane Diterpenoids from Euphorbia wangii
Zhong-Jian Jia, Jian-Gong Shi, Li Yang
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

14 .     sideridiol
C20H32O2     ÏàËƶÈ:57.1%
Natural Product Research          2011          Vol. 25, No. 16          1512-1523
Antioxidant activity and chemical composition of Sideritis libanotica Labill. ssp. linearis (Bentham) Borm. (Lamiaceae)
Ibrahim Demirtas, Bulent Ayhan, Ayse Sahin, H¨¹seyin Aksit, Mahfuz Elmastas and Isa Telcib
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

15 .     16¦Á-hydroxy-ent-kauranoic acid
    ÏàËƶÈ:57.1%
Phytochemistry          1985          24          2736-2738
15-Hydroxy-acetylerioflorin and other constituents from Viguiera linearis
Guillermo Delgado, Laura Alvarez, Alfonso Romo de Vivar
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

16 .     pinusenoid
C20H32O6     ÏàËƶÈ:57.1%
Chemistry of Natural Compounds          2010          46          227-229
Diterpenoid acids from Pinus koraiensis
X. Yang, Y. C. Zhang, H. Zhang, A. J. Dong and H. T. Zhao, et al.
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

17 .     ent-3¦Â-butanoyloxykaur-15-en-17-ol
C24H4N1O3     ÏàËƶÈ:57.1%
Bioscience, Biotechnology, and Biochemistry          2011          75          1386-1388
Neuroprotective Kaurane Diterpenes from Fritillaria ebeiensis
Jing XU, Ping GUO, Cuizhou LIU, Zhanping SUN, Liping GUI, Yuanqiang GUO, Tohru YAMAKUNI and Yasushi OHIZUMI
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

18 .     compound 34
C21H32O2     ÏàËƶÈ:57.1%
Bioorganic & Medicinal Chemistry          2010          18          1724-1735
Synthesis and induction of apoptosis signaling pathway of ent-kaurane derivatives
Idaira Hueso-Falc¨®n, Natalia Gir¨®n, Pilar Velasco, Juan M. Amaro-Luis, Angel G. Ravelo, Beatriz de las Heras, Sonsoles Hortelano, Ana Estevez-Braun
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

19 .     elisapterosin A
C20H28O5     ÏàËƶÈ:57.1%
The Journal of Organic Chemistry          2000          65          1390-1398
Novel Terpenoids from the West Indian Sea Whip Pseudopterogorgia elisabethae (Bayer). Elisapterosins A and B:  Rearranged Diterpenes Possessing an Unprecedented Cagelike Framework1
Abimael D. Rodr¨ªguez, Catherine Ram¨ªrez, Ileana I. Rodr¨ªguez, and Charles L. Barnes
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

20 .     (+)-(1S,3R,4R,4aS,8aS)-4-(3S)-3-hydroxy-3-methyl-4-pentenyl)-3,4a,8,8-tetramethyldecahydro-1,3-naphthalenediol
C20H34O2     ÏàËƶÈ:57.1%
Tetrahedron          2001          57          5663-5679
The synthesis of Ambrox®-like compounds starting from (+)-larixol
Marjon G Bolster, Ben J.M Jansen, Aede de Groot
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

21 .     (+)-(1S,3R,4R,4aS,8aS)-4-((3S)-3-hydroxy-3-methyl-4-pentenyl)-3,4a,8,8-tetramethyldecahydro-1,3-naphthalenediol
    ÏàËƶÈ:57.1%
Tetrahedron          2001          57          8369-8379
The synthesis of Ambrox®-like compounds starting from (+)-larixol. Part 2
Marjon G Bolster, B¨¦atrice M.F Lagnel, Ben J.M Jansen, Christophe Morin, Aede de Groot
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

22 .     16¦Á-hydroxy-ent-kauran-19-oic acid
    ÏàËƶÈ:57.1%
Journal of the Chinese Chemical Society          2004          51          869-876
Chemical Constituents from Annona glabra
Tian-Jye Hsieh, Yang-Chang Wu, Su-Ching Chen,Ching-Shan Huang and Chung-Yi Chen*
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

23 .     Ethyl (15¦Â,16¦Á)-16-(Nitrooxy)-15-[(nitrooxy)methyl]beyeran-18-oate
C23H36N2O8     ÏàËƶÈ:56.5%
Helvetica Chimica Acta          2010          93          2052-2069
Stereoselective Synthesis, Characterization, and Antibacterial Activities of Novel Isosteviol Derivatives with D-Ring Modification
Ya Wu, Cong-Jun Liu, Xu Liu, Gui-Fu Dai, Jin-Yu Du and Jing-Chao Tao
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

24 .     17-acetoxy-16¦Â-ent-kauran-19-oic acid
    ÏàËƶÈ:54.5%
Journal of Natural Products          1996          59          635-637
Identification of ent-16¦Â, 17-Dihydroxykauran-19-oic Acid as an Anti-HIV Principle and Isolation of the New Diterpenoids Annosquamosins A and B from Annona squamosa
Yang-Chang Wu, Yu-Chun Hung, Fang-Rong Chang, Mark Cosentino, Hui-Kang Wang, and Kuo-Hsiung Lee
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

25 .     ent-17¦Á-acetyl-16¦Â-hydroxyl-kauran-3-one
    ÏàËƶÈ:54.5%
Natural Product Research          2008          22          1163-1168
Terpenoids from Chloranthus multistachys
Sheng-Ping Yang; Jian-Min Yue
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

26 .     ent-18-acetoxykaur-15-ene-3,7-dioe
C22H30O4     ÏàËƶÈ:54.5%
Journal of Natural Products          1990          Vol 53          441
Microbial Transformation of Tetracyclic Diterpenes: Conversion of ent-Kaurenones by Curvularia and Rhizopus Strains
Andres Garcia-Granados, Antonio Martinez, Antonio Ortiz, Maria Esther Onorato, Jose Maria Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

27 .     11¦Â-acetoxykaurensaure
C23H34O4     ÏàËƶÈ:54.5%
Phytochemistry          1978          17          1917-1922
Neue diterpene und sesquiterpene aus s¨¹dafrikanischen Helichrysum-arten
Ferdinand Bohlmann, Christa Zdero, Evelyn Hoffmann, Pradip Kumar Mahanta, Wolfgang Dorner
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

28 .     compound 14b
C22H34O4     ÏàËƶÈ:54.5%
Bioorganic & Medicinal Chemistry          2009          17          1464-1473
Stereoselective synthesis of bioactive isosteviol derivatives as ¦Á-glucosidase inhibitors
Ya Wu, Jing-Hua Yang, Gui-Fu Dai, Cong-Jun Liu, Guo-Qiang Tian, Wen-Yan Ma, Jing-Chao Tao
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

29 .     17-acetoxy16¦Â-ent-kauran-19-oic acid
    ÏàËƶÈ:54.5%
Journal of the Chinese Chemical Society          1997          44          313-319
The Constituents from the Stems of Annona cherimola
ê?ÖÐÒ»(Chung-Yi Chen);?ˆ·¼˜s(Pang-Rong Chang);…ÇÓÀ²ý(Yang-Chang Wu)
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

30 .     15,16-epoxy-2-hydroxy-kauran-1-en-3-one
C20H28O3     ÏàËƶÈ:52.3%
Phytochemistry          2004          65          1291-1298
Antibacterial diterpenes and their fatty acid conjugates from rice leaves
Yoshiki Kono, Aya Kojima, Rieko Nagai, Manabu Watanabe,Takahiro Kawashima, Tsugu Onizawa, Tohru Teraoka, Minoru Watanab,Hiroyuki Koshino, Jun Uzawa, Yoshikatsu Suzuki, Akira Sakurai
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

31 .     18-hydroxystemaran-19-oicac id
    ÏàËƶÈ:52.3%
Phytochemistry          2002          59          57-62
Biotransformation of terpenes from Stemodia maritima by Aspergillus niger ATCC 9142
Avril R.M. Chen, Paul B. Reese
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

32 .     cussovantonin A
C20H32O5     ÏàËƶÈ:52.3%
Phytochemistry          2002          61          367-372
ent-Kaurane diterpenoid glycosides from a Malagasy endemic plant, Cussonia vantsilana
Liva Harinantenaina, Ryoji Kasai, Kazuo Yamasaki
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

33 .     cussovantonin B
C20H32O5     ÏàËƶÈ:52.3%
Phytochemistry          2002          61          367-372
ent-Kaurane diterpenoid glycosides from a Malagasy endemic plant, Cussonia vantsilana
Liva Harinantenaina, Ryoji Kasai, Kazuo Yamasaki
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

34 .     ent-7¦Â-hydroxy-15¦Â,16¦Â-epoxykauran-19-oic acid
C20H30O4     ÏàËƶÈ:52.3%
Journal of Natural Products          2004          67          614-621
Further Labdane and Kaurane Diterpenoids and Other Constituents from Plectranthus fruticosus
Cristina Gaspar-Marques, M. Ftima Simes, and Benjamn Rodrguez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

35 .     9¦Â,18-dihydroxy-7¦Á,8¦Á-epoxy-13-epi-entpimara-15-ene
C20H32O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2003          66          392-397
Microbial Transformation of 18-Hydroxy-9,13-epi-ent-pimara-7,15-diene by Gibberella fujikuroi
Braulio M. Fraga, Pedro Gonzlez, Melchor G. Hernndez, Mara C. Chamy, and Juan A. Garbarino
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

36 .     ent-15¦Â,16¦Â-epoxykauran-19-oic acid
C20H30O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2003          66          491-496
Labdane and Kaurane Diterpenoids from Plectranthus fruticosus
Cristina Gaspar-Marques, M. Ftima Simes, Aida Duarte, and Benjamn Rodrguez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

37 .     methyl ent-15¦Â,16¦Â-epoxykauran-19-oate
C21H32O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2003          66          491-496
Labdane and Kaurane Diterpenoids from Plectranthus fruticosus
Cristina Gaspar-Marques, M. Ftima Simes, Aida Duarte, and Benjamn Rodrguez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

38 .     ethyl 17-Norabiet-13(15)-Z-en-8¦Â-ol-16-oate
C21H34O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2007          70          1253-1258
Transformations of Manool. Tri- and Tetracyclic Norditerpenoids with in Vitro Activity against Plasmodium falciparum
Albert W. W. van Wyk,Kevin A. Lobb, Mino R. Caira, Heinrich C. Hoppe, and Michael T. Davies-Coleman
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

39 .     methyl 7¦Â,15¦Á-dihydroxy-ent-kau¦Á-16-en-19-oate
C21H32O4     ÏàËƶÈ:52.3%
Journal of Natural Products          2001          64          222-225
Microbial Transformation of ent-Kaurenoic Acid and Its 15-Hydroxy Derivatives by the SG138 Mutant of Gibberella fujikuroi
Alejandro F. Barrero, J. Enrique Oltra, Enrique Cerd¨¢-Olmedo, Javier Ávalos, and Jos¨¦ Justicia
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

40 .     8-oxo-8,14-seco-abiet-12-en-14,19-dial
C20H30O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2001          64          511-514
Diterpenoids from the Leaves of Juniperus chinensis var. kaizuka
Ching-Kuo Lee, and Yu-Shia Cheng
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
--------------------------------------------------------------------------------

41 .     15-oxolabda-8(17),11(Z),13(Z)-trien-19-oic acid
C20H28O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2000          63          1381-1383
Labdane-Type Diterpenes and a Nordrimane-Type Sesquiterpene from the Stem Bark of Thuja standishii
Manabu Iwamoto, Hironori Ohtsu, Shunyo Matsunaga, and Reiko Tanaka
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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42 .     16¦Á-methoxy-entkauran-19-oic acid
    ÏàËƶÈ:52.3%
Journal of Natural Products          2000          63          1000-1003
ent-Kaurane Diterpenoids from Annona glabra
Chung-Yi Chen, Fang-Rong Chang, Chun-Ping Cho, and Yang-Chang Wu
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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43 .     (4S,5¦Á,8S,9¦Á,10S,13R)-9,13-epoxy-14-labden-19-oic acid
C20H32O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2000          63          226-229
Grindelane Diterpenoids from Stevia subpubescens
Luisa U. Rom¨¢n, Jairo I. Cambr¨®n, Rosa E. del R¨ªo, Juan D. Hern¨¢ndez, Carlos M. Cerda-Garc¨ªa-Rojas, and Pedro Joseph-Nathan
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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44 .     ent-13-norisocopalen-15-al-18-oic acid
C19H28O3     ÏàËƶÈ:52.3%
Journal of Natural Products          2000          63          422-423
Two New Spongian Diterpenes from Coscinoderma mathewsi
Mitsumasa Hyosu and Junji Kimura
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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45 .     ent-3¦Â,16¦Á,17-trihydroxyatis-13-en-11-one
C20H30O4     ÏàËƶÈ:52.3%
Journal of Natural Products          1997          60          86-92
Biotransformation of ent-Atisenes and ent-Beyerenes by Rhizopus nigricans and Fusarium moniliforme Cultures
Andr¨¦s Garc¨ªa-Granados, Andr¨¦s Parra, and Jos¨¦Mar¨ªa Arias
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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46 .     syspirensin B
C20H36O5     ÏàËƶÈ:52.3%
Journal of Natural Products          1996          59          457-460
Neoclerodane Diterpenoids from Teucrium chamaedrys subsp. Syspirense
Ihsan Çalis and Erdal Bedir, Anthony D. Wright and Otto Sticher
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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47 .     17-hydroxy-16¦Â-ent-kauran-19-al
    ÏàËƶÈ:52.3%
Journal of Natural Products          1996          59          635-637
Identification of ent-16¦Â, 17-Dihydroxykauran-19-oic Acid as an Anti-HIV Principle and Isolation of the New Diterpenoids Annosquamosins A and B from Annona squamosa
Yang-Chang Wu, Yu-Chun Hung, Fang-Rong Chang, Mark Cosentino, Hui-Kang Wang, and Kuo-Hsiung Lee
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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48 .     3¦Á,8¦Á, 15,16-tetrahydroxy-ent-pimarane
    ÏàËƶÈ:52.3%
Planta Medica          1988          54          533-537
Unusual Norhomoditerpenes and Other Constituents from Kyrsteniopsis dibollii
J. Jakupovic, H. Klemeyert, F. Bohlmannt, and A. Whittemore
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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49 .     ent-7¦Á,11¦Â-dihydroxy-kaur-16-en-19-oic acid
C20H30O4     ÏàËƶÈ:52.3%
Phytochemistry          2009          70          2017-2022
Hydroxylation of the diterpenes ent-kaur-16-en-19-oic and ent-beyer-15-en-19-oic acids by the fungus Aspergillus niger
Silvia Marquina, Jos¨¦ Luis Parra, Manas¨¦s Gonz¨¢lez, Alejandro Zamilpa, Jaime Escalante, Mar¨ªa R. Trejo-Hern¨¢ndez, Laura Álvarez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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50 .     methyl-ent-7¦Á,11-dihydroxykaur-16-en-19-oate
C21H32O4     ÏàËƶÈ:52.3%
Phytochemistry          2009          70          2017-2022
Hydroxylation of the diterpenes ent-kaur-16-en-19-oic and ent-beyer-15-en-19-oic acids by the fungus Aspergillus niger
Silvia Marquina, Jos¨¦ Luis Parra, Manas¨¦s Gonz¨¢lez, Alejandro Zamilpa, Jaime Escalante, Mar¨ªa R. Trejo-Hern¨¢ndez, Laura Álvarez
Structure      13C NMR   Ì¼Æ×Ä£Äâͼ
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