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IMB001

金虫 (小有名气)

[求助] 微谱求助

一个三萜化合物,上次没有仔细比对漏掉一个碳原子。13C NMR (100 MHz, MeOD) δ16.2, 16.2, 16.7, 17.0, 17.7, 24.8, 25.0, 25.6, 25.9, 27.7, 29.1, 29.4, 30.9, 38.0, 39.8, 40.9, 46.7, 62.9, 67.0, 69.2, 73.8, 79.1, 124.8, 125.5, 125.6, 128.6, 132.5, 132.8, 136.1, 136.2.
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lifeliuyan

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感谢参与,应助指数 +1
IMB001: 金币+30, ★★★★★最佳答案 2013-10-12 21:18:48
???????????鵽2144????????(???????????ο?)  
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1 .     (8R)-3??,8-Dihydroxypolypoda-13E,17E,21-triene
C30H52O2     ?????:73.3%
Journal of Natural Products          2011          74          1731-1736
(8R)-3??, 8-Dihydroxypolypoda-13E, 17E, 21-triene Induces Cell Cycle Arrest and Apoptosis in Treatment-Resistant Prostate Cancer Cells
Samy A. F. Morad, Claudia Schmidt, Berthold B?uchele, Bernd Schneider, Michael Wenzler, Tatiana Syrovets, and Thomas Simmet
Structure      13C NMR   ???????

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2 .     ekeberin D3
C30H54O5     ?????:66.6%
Journal of Natural Products          2008          71(2)          167-174
Antiplasmodial Triterpenoids from Ekebergia capensis
Toshihiro Murata, Toshio Miyase, Francis Wamakima Muregi, Yasuko Naoshima-Ishibashi, Kaoru Umehara, Tsutomu Warashina, Shigeyuki Kanou, Gerald M. Mkoji, Mamoru Terada, and Akira Ishih
Structure      13C NMR   ???????

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3 .     3'-bromo-2'-hydroxy-2,3-dihydrosqualene
     ?????:66.6%
Phytochemistry          1993          34          1603-1607
Sapelenins A, B and C, acyclic triterpenoids from the stem bark of Entandrophragma cylindricum
David Ngnokam, Georges Massiot, Jean-Marc Nuzillard, Joseph D. Connolly, Etienne Tsamo, Christophe Morin
Structure      13C NMR   ???????

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4 .     8-Phenylsulfonylgeranylfarnesol
C31H46SO3     ?????:63.3%
Chemistry of Natural Compounds          2007          43          268-273
SUPERACID CYCLIZATION OF(2E,6E,10E,14E)-8- PHENYLSULFONYLGERANYLFARNESOL TETRAHYDROPYRANYL ETHER
V. Kulcitki, M. Grin'ko, A. Barba,N. Ungur, and P. F. Vlad
Structure      13C NMR   ???????

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5 .     compound 4
C28H45F3O     ?????:63.3%
Tetrahedron Letters          2000          41          6367-6370
Trifluoromethyl ketones derived from squalene: inhibition of the cholesterol biosynthesis in HepG2 cells
Farid Benayoud, Ahmed Abouabdellah, Cyrille Richard, Dani??le Bonnet-Delpon, Jean-Pierre B??gu??, Danielle Levasseur, Olivier Boutaud, Francis Schuber
Structure      13C NMR   ???????

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6 .     compound 7
     ?????:63.3%
Phytochemistry          1990          29          1326-1329
An A-ring contracted triterpenoid from Hyptis suaveolens
K.V. Raja Rao,L.J.M. Rao,N.S. Prakasa Rao
Structure      13C NMR   ???????

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7 .     Compound 6
     ?????:63.3%
Bioorganic & Medicinal Chemistry Letters          1991          1          227-232
26-Hydroxysqualene and derivatives: substrates and inhibitors for squalene epoxidase
Mei Bai, Xiao-yi Xiao, Glenn D. Prestwich
Structure      13C NMR   ???????

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8 .     ilexoside O
     ?????:63.3%
Chinese Pharmaceutical Journal          2008          43          732-736
Studies on the Chemical Constituents of the Roots of Ilex pubescens
FENG Feng, ZHU Ming-xiao, XIE Ning
Structure      13C NMR   ???????

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9 .     cucurbita-1(10),5,22,24-tetraen-3??-ol
C30H46O     ?????:63.3%
Food Chemistry          2010          118          751-756
Antioxidant triterpenoids from the stems of Momordica charantia
Chiung-Hui Liu, Ming-Hong Yen, Shih-Fang Tsang, Kim-Hong Gan, Hsue-Yin Hsu, Chun-Nan Lin
Structure      13C NMR   ???????

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10 .     enervosanone
C31H46O3     ?????:61.2%
Phytochemistry          2005          66          723-726
A polyisoprenylated ketone from Calophyllum enervosum
Muhammad Taher , Muhammad Sum Idris, Farediah Ahmad, Dayar Arbain
Structure      13C NMR   ???????

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11 .     ilexgenin B methyl ester
C31H50O4     ?????:61.2%
Chemical & Pharmaceutical Bulletin          1987          35          524-529
New Triterpene Saponins from Ilex pubescens
KAZUYUKI HIDAKA,MIYOKO ITO,YOKO MATSUDA,HIROSHI KOHDA,KAZUO YAMASAKI,JOHJI YAMAHARA,TAKESHI CHISAKA,YOSHIYUKI KAWAKAMI,TADASHI SATO and KENGO KAGEI
Structure      13C NMR   ???????

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12 .     methyl 2??, 3??, 19??,23-tetrahydroxyurs-12-en-28-oate
     ?????:61.2%
Journal of Natural Products          1985          Vol 48          1002-1003
Studies on Nigerian Medicinal Plants: Components of the Stems of Myrianthus arboreus
Chukwunonye M. Ojinnaka, Lennart Kenne
Structure      13C NMR   ???????

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13 .     ilexgenin B methylester
     ?????:61.2%
Korean Journal of Pharmacognosy          1987          18(3)          151-167
13C NMR Spectroscopy of Amyrins
Kang, Sam-Sik
Structure      13C NMR   ???????

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14 .     pubescenolic acid methyl ester
     ?????:61.2%
Archives of Pharmacal Research          1987          10          121-131
Triterpenoids ofIlex pubescens
Yong Nam Han, Seung Kyung Baik, Tae Hee Kim and Byung Hoon Han
Structure      13C NMR   ???????

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15 .     compound 7b
     ?????:61.2%
Archives of Pharmacal Research          1987          10          132-141
New triterpenoid saponins fromIlex pubescens
Yong Nam Han, Seung Kyung Bail, Tae Hee Kim and Byung Hoon Han
Structure      13C NMR   ???????

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16 .     colossolactone II
C30H46O4     ?????:60%
Chemical & Pharmaceutical Bulletin          2008          56(5)          642-646
New Lanostane Triterpene Lactones from the Vietnamese Mushroom Ganoderma colossum (FR.) C. F. BAKER
Riham Salah EL DINE,Ali Mahmoud EL HALAWANY,Norio NAKAMURA,Chao-Mei MA,and Masao HATTORI
Structure      13C NMR   ???????

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17 .     myrrhanol A
C30H52O3     ?????:60%
Chemical & Pharmaceutical Bulletin          2004          52(10)          1200-1203
Absolute Stereostructures of Polypodane-Type Triterpenes, Myrrhanol A and Myrrhanone A, from Guggul-Gum Resin (the Resin of Balsamodendron mukul)
Hisashi MATSUDA,a Toshio MORIKAWA, Shin ANDO,Hideo OOMINAMI,Toshiyuki MURAKAMI,Ikuko KIMURA,and Masayuki YOSHIKAWA
Structure      13C NMR   ???????

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18 .     12-oxo-23??-hydroxyl-20(S)-protopanaxatriol
C30H50O5     ?????:60%
Phytochemistry          2007          68          2523-2530
Biotransformation of 20(S)-protopanaxatriol by Mucor spinosus and the cytotoxic structure activity relationships of the transformed products
Jie Zhang, Hongzhu Guo, Yin Tian, Peng Liu, Na Li,Jianping Zhou, Dean Guo
Structure      13C NMR   ???????

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19 .     12-oxo-20(S)-protopanaxatriol
C30H50O4     ?????:60%
Phytochemistry          2007          68          2523-2530
Biotransformation of 20(S)-protopanaxatriol by Mucor spinosus and the cytotoxic structure activity relationships of the transformed products
Jie Zhang, Hongzhu Guo, Yin Tian, Peng Liu, Na Li,Jianping Zhou, Dean Guo
Structure      13C NMR   ???????
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