24小时热门版块排行榜

返回列表

当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖

海洋之斌_520

铁虫 (小有名气)

应助: 4 (幼儿园)
金币: 58.9
散金: 797
红花: 1
帖子: 255
在线: 113.1小时
虫号: 2770953
注册: 2013-11-01
性别: GG
专业: 有机合成

[求助] 微谱

13C NMR (101 MHz, DMSO) δ 135.94 (s), 74.22 (s), 73.72 (s), 46.91，44.60 (s), 43.48 (s), 40.54 (d, J = 19.2 Hz), 40.45 (s), 40.24 (t, J = 18.5 Hz), 40.01 (s), 39.73 (d, J = 14.8 Hz), 39.51 (d, J = 17.3 Hz), 39.39 (s), （溶剂峰）38.77，,38.57, 37.85 (s), 36.34 (s), 34.08 (s), 33.62 (s), 31.63,31.52， 29.59 (s), 26.28 (s), 17.63 (s), 16.47 (s), 13.43 (s).
1 .     16-Methyl-17-hydroxy-5α-androstan-3-one 13a
C20H32O2 相似度:65%（不像）
Steroids    2001    66    833-843
Configurational analysis and relative binding affinities of 16-methyl-5α-androstane derivatives
10.1016/S0039-128X(01)00113-1号
Pál Tapolcsányi, János Wölfling, István Tóth, Mihály Szécsi, Péter Forgó, Gyula Schneider
Structure    13C NMR    Structure & 13C NMR     期刊地址

2 .     dihydroflexibilolide （Dihydroflexibilolide不像）
C20H34O5 相似度:65%
Natural Product Research    1996    9    127-135
Flexibilolide and Dihydroflexibilolide, The First Trihydroxy-Cembranolide Lactones from the Soft Coral Sinularia Flexibilis of the Indian Ocean
A. S. R. Anjaneyulu; K. S. Sagar
Structure    13C NMR    Structure & 13C NMR     期刊地址

3 .     5α-hydroxy-9α,10β,13α-tdacetoxytaxa-4(20),11-diene
C26H38O7 相似度:65%（不像）
Phytochemistry    1996    43    839-842
Taxanes from Taxus mairei
Shung-Jim Yang, Jim-Min Fang, Yu-Shia Cheng
Structure    13C NMR    Structure & 13C NMR     期刊地址

4 .     ent-1β-hydroxyatis-13-ene
C20H32O 相似度:65%
Journal of Natural Products    1989    Vol 52    669
Acid-Catalyzed Rearrangement of ent-Atis-13,16-dienes
E. Cabrera, A. Garcia-Granados, M. Hervas
Structure    13C NMR    Structure & 13C NMR     期刊地址

5 .     7β-hydroxysandracopimaric acid
相似度:65%
Phytochemistry    1990    29    2346-2348
Diterpenoids from Salvia wiedemannii
G. Topcu,A. Ulubelen
Structure    13C NMR    Structure & 13C NMR     期刊地址

6 .     5α-hydroxy-9α,10β,13α-triacetoxytaxa-4 (20),11-diene
相似度:65%
Journal of Shenyang Pharmaceutical University    2009    26    785-788
Isolation and identification of chemical constituents from Taxus cuspidta Sibe. et Zucc.
LI Ya-nan, WANG Wen-ze, WU Li-jun, WANG Ji-wen, GAO Hui-yuan
Structure    13C NMR    Structure & 13C NMR     期刊地址

7 .     compound 40
相似度:65%
Natural Product Communications    2008    3    399-412
Structural Elucidation of Pimarane and IsopimaraneDiterpenoids: The 13C NMR Contribution
Ana M. L. Seca, Diana C. G. A. Pinto and Artur M. S. Silva
Structure    13C NMR    Structure & 13C NMR     期刊地址

8 .     13-hydroxystemarane-19-carboxylic acid
相似度:65%
Phytochemistry    2001    56    141-151
Biotransformation of diterpenes and diterpene derivatives by Beauveria bassiana ATCC 7159
Greg O. Buchanan, Paul B. Reese
Structure    13C NMR    Structure & 13C NMR     期刊地址

9 .     19-(N,N-dimethylcarbamoxy)-2β,13-dihydroxystemarane
C23H39NO4 相似度:63.6%
Phytochemistry    2006    67    1088-1093
Bioconversion of Stemodia maritima diterpenes and derivatives by Cunninghamella echinulata var. elegans and Phanerochaete chrysosporium
Andrew S. Lamm, William F. Reynolds, Paul B. Reese
Structure    13C NMR    Structure & 13C NMR     期刊地址

10 .     3β,5α-dihydroxy-13α-androstan-17-one
C19H30O3 相似度:63.1%
Phytochemistry    1997    45    951-956
The hydroxylation of some 13α-methylsteroids by Cephalosporium aphidicola
Juliette Boynton, James R. Hanson, A. Christy Hunter
Structure    13C NMR    Structure & 13C NMR     期刊地址

11 .     16β,17-dihydroxy-7-oxo-ent-atisan-19-al
C19H26O4 相似度:63.1%
Phytochemistry    2010    71    1313-1321
Biotransformation of 7α-hydroxy- and 7-oxo-ent-atis-16-ene derivatives by the fungus Gibberella fujikuroi
Braulio M. Fraga, Pedro Gonzalez, Victoria Gonzalez-Vallejo, Ricardo Guillermo, Luz N. Diaz
Structure    13C NMR    Structure & 13C NMR     期刊地址

12 .     16α,17α-epoxy-5α-androstan-3-one
C19H28O2 相似度:63.1%
Journal of Chemical Research    2008    32    314-317
Microbiological hydroxylation of some epoxy steroids by the fungus Mucor plumbeus
Author: Alfooty, Khalid O.
Structure    13C NMR    Structure & 13C NMR     期刊地址

13 .     compound 12
相似度:63.1%
Organic Magnetic Resonance    1984    22    734-736
Carbon-13 NMR spectra of Piper alkamides and related compounds
Avijit Banerji, Manjusha Sarkar (née Chaudhuri), Tapasree Ghosal and Sudhir Chandra Pal
Structure    13C NMR    Structure & 13C NMR     期刊地址

14 .     compound 13
相似度:63.1%
Organic Magnetic Resonance    1984    22    734-736
Carbon-13 NMR spectra of Piper alkamides and related compounds
Avijit Banerji, Manjusha Sarkar (née Chaudhuri), Tapasree Ghosal and Sudhir Chandra Pal
Structure    13C NMR    Structure & 13C NMR     期刊地址

15 .     compound 12
相似度:63.1%
Organic Magnetic Resonance    1984    22    736-738
Carbon-13 nuclear magnetic resonance spectra of some heterocyclic D-homoandrostanes
Deanna Marcano, Jeannette De Méndez, Ana C. Ortiz and Mirna Salinas
Structure    13C NMR    Structure & 13C NMR     期刊地址

16 .     compound 13
相似度:63.1%
Organic Magnetic Resonance    1984    22    736-738
Carbon-13 nuclear magnetic resonance spectra of some heterocyclic D-homoandrostanes
Deanna Marcano, Jeannette De Méndez, Ana C. Ortiz and Mirna Salinas
Structure    13C NMR    Structure & 13C NMR     期刊地址

17 .     3-Isopropenyl-3-methyldiamantane
相似度:63.1%
The Journal of Organic Chemistry    1990    55    1792-1796
Synthetic methods and reactions. 146. Olefins from crowded carbonyl compounds with tert-butyllithium (tert-butylmagnesium chloride)/thionyl chloride. Study of carbocationic reaction intermediates and rearrangement-cleavage under stable ion conditions usin
George A. Olah, An Hsiang Wu, Omar Farooq, G. K. Surya Prakash
Structure    13C NMR    Structure & 13C NMR     期刊地址

18 .     deoxycholic acid
相似度:62.5%
Chemical & Pharmaceutical Bulletin    1996    44    1289-1292
Study on the Bile Salt from Megamouth Shark. I. The Structures of a New Bile Alcohol, 7-Deoxyscymnol, and Its New Sodium Sulfates
Hitoshi ISHIDA,Hidekazu MIYAMOTO,Takako KAJINO,Hidetoshi NAKAYASU,Haruo NUKAYA and Kuniro TSUJI
Structure    13C NMR    Structure & 13C NMR     期刊地址

5B8C3C5A1D7239B30E3176C327613DEB.jpg