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zhiwu1983木虫 (正式写手)
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[求助]
求助微谱数据查询
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| 碳谱数据下：75.3,73.9,67.9,58.3,56.1,54.1,50.7,41.1,38.7,36.6,36.1,34.4,31.5,28.8,25.9,24.1,23.8,22.6,20.4,13.5,12.4 |
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wm0629
铁杆木虫 (著名写手)
- 应助: 341 (大学生)
- 金币: 6381.8
- 红花: 3
- 帖子: 1962
- 在线: 77.9小时
- 虫号: 2217415
- 注册: 2013-01-01
- 性别: GG
- 专业: 中药炮制
【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
zhiwu1983: 金币+15, ★★★★★最佳答案 2013-04-28 08:00:58
感谢参与，应助指数 +1
zhiwu1983: 金币+15, ★★★★★最佳答案 2013-04-28 08:00:58
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1 . (20S)-20-hydroxy-5α-pregnan-3β-yl acetate 相似度:78.2% Steroids 2010 75 721-725 Stereoselectivity of sodium borohydride reduction of saturated steroidal ketones utilizing conditions of Luche reduction Eva Šťastná, Ivan Černý, Vladimír Pouzar, Hana Chodounská Structure 13C NMR 碳谱模拟图 2 . 3β,4α-dihydroxypregnan-21-one C21H34O3 相似度:76.1% Phytochemistry 2008 69 1319-1327 Structural elucidation of limonoids and steroids from Trichilia connaroides Xiao-Ning Wang, Cheng-Qi Fan, Sheng Yin, Li-She Gan, Jian-Min Yue Structure 13C NMR 碳谱模拟图 3 . 20S-pregn-5-ene3,20-diol 3-monoacetate C23H36O3 相似度:76.1% Chemical & Pharmaceutical Bulletin 1982 30 3932-3941 Studies on the Constituents of Asclepiadaceae Plants. LI. Oxidation at the 18-Methyl Group of C/D-cis-Pregnane Type Steroids and 13C-Nuclear Magnetic Resonance Spectra of 18-Oxygenated Pregnanes and Related Compounds MASAHIKO KIMURA,KOJI HAYASHI,HIROSHI NARITA and HIROSHI MITSUHASHI Structure 13C NMR 碳谱模拟图 4 . 4-pregnene-3β,20α-diol 相似度:76.1% Steroids 1986 47 249-259 Synthesis and characteristics of allylic 4-pregnene-3,20-diols found in gonadal and breast tissues J. P. Wiebe, Vinod Dave, J. B. Stothers Structure 13C NMR 碳谱模拟图 5 . (2α,3α,5α,20R)-2,3-epoxypregnan-20-ol C21H34O2 相似度:76.1% Steroids 2012 77 1403-1418 Solid-phase chemical synthesis and in vitro biological evaluation of novel 2β-piperazino-(20R)-5α-pregnane-3α,20-diol N-derivatives as anti-leukemic agents Hajer Jegham, René Maltais, Philippe Dufour, Jenny Roy, Donald Poirier Structure 13C NMR 碳谱模拟图 6 . Terminaline C23H41NO2 相似度:72.7% Steroids 2005 70 295-303 Cholinesterase inhibitory pregnane-type steroidal alkaloids from Sarcococca hookeriana M. Iqbal Choudhary, Krishna Prasad Devkota, Sarfraz Ahmad Nawaz, Rosa Ranjit, Atta-ur- Rahman Structure 13C NMR 碳谱模拟图 7 . (20R)-20-hydroxy-5α-pregnan-3β-yl acetate 相似度:69.5% Steroids 2010 75 721-725 Stereoselectivity of sodium borohydride reduction of saturated steroidal ketones utilizing conditions of Luche reduction Eva Šťastná, Ivan Černý, Vladimír Pouzar, Hana Chodounská Structure 13C NMR 碳谱模拟图 8 . Methyl 6α-hydroxy-5α-cholanoate C25H42O3 相似度:68% Steroids 1993 58 362-369 Potential bile acid metabolites. 20. A new synthetic route to stereoisomeric 3,6,-dihydroxy- and 6-hydroxy-5α-cholanoic acids Takashi Iida, Tamaaki Tamaru, Frederic C. Chang, Toshifumi Niwa, Junichi Goto, Toshio Nambara Structure 13C NMR 碳谱模拟图 9 . 20R-pregn-5-ene3,20-diol 3-monoacetate C23H36O3 相似度:66.6% Chemical & Pharmaceutical Bulletin 1982 30 3932-3941 Studies on the Constituents of Asclepiadaceae Plants. LI. Oxidation at the 18-Methyl Group of C/D-cis-Pregnane Type Steroids and 13C-Nuclear Magnetic Resonance Spectra of 18-Oxygenated Pregnanes and Related Compounds MASAHIKO KIMURA,KOJI HAYASHI,HIROSHI NARITA and HIROSHI MITSUHASHI Structure 13C NMR 碳谱模拟图 10 . 5β-pregnane 相似度:66.6% Journal of Natural Products 1991 Vol 54 1651 Verrucoside, a New Cytotoxic Pregnane Glycoside from a Gorgonian Eunicella verrucosa Y. Kashman, D. Green, C. Garcia, D. Garcia Arevalos Structure 13C NMR 碳谱模拟图 11 . ent-17-chloro-(13S),16β-dihydroxyatisane-3,14-dione C20H29ClO4 相似度:66.6% Phytochemistry 1990 29 1925-1935 Ent-atisane diterpenes from Euphorbia fidjiana Allick R. Lal,Richard C. Cambie,Peter S. Rutledge,Paul D. Woodgate Structure 13C NMR 碳谱模拟图 12 . ent-16α,17-dihydroxyatisan-3-one C19H29O2 相似度:66.6% Phytochemistry 1990 29 1925-1935 Ent-atisane diterpenes from Euphorbia fidjiana Allick R. Lal,Richard C. Cambie,Peter S. Rutledge,Paul D. Woodgate Structure 13C NMR 碳谱模拟图 13 . Disodium 3β,6 α-dihydroxy-5a-pregnan-20-onedisulfate C21H32O9S2Na2 相似度:66.6% Steroids 1999 64 335-340 Evaluation of the antiviral activity of natural sulfated polyhydroxysteroids and their synthetic derivatives and analogs María J. Comin, Marta S. Maier, Alejandro J. Roccatagliata, Carlos A. Pujol, Elsa B. Damonte Structure 13C NMR 碳谱模拟图 14 . 3β-hydroxy-5β-pregnane-20-one 相似度:66.6% Steroids 1995 60 337-352 Microbial transformation of steroids: Contribution to 14α-hydroxylations Shang-hui Hu, Gilles Genain, Robert Azerad Structure 13C NMR 碳谱模拟图 15 . 3'-HO-Stanozolol 相似度:66.6% Steroids 1992 57 537-550 17-Epimerization of 17α-methyl anabolic steroids in humans: metabolism and synthesis of 17α-hydroxy-17β-methyl steroids Willi Schänzer, Georg Opfermann, Manfred Donike Structure 13C NMR 碳谱模拟图 16 . ent-16α,17-Dihydroxyatisan-3-one C20H32O3 相似度:66.6% Chinese Traditional and Herbal Drugs 2004 35 611-613 Diterpenoids from Euphorbia wallichii WANG Huan; ZHANG Xiao-feng; MA Yun-bao; CAI Xiang-hai; WU Da-gang; LUO Xiao-dong Structure 13C NMR 碳谱模拟图 17 . ent-lαbdα-13(16),14-diene-3α-ol C20H34O 相似度:66.6% Food Chemistry 2010 119 1399-1408 Antibacterial labdane diterpenoids of Ulva fasciata Delile from southwestern coast of the Indian Peninsula Kajal Chakraborty, A.P. Lipton, R. Paul Raj, K.K. Vijayan Structure 13C NMR 碳谱模拟图 18 . (5α,20R)-pregn-2-en-20-ol C21H34O 相似度:66.6% Steroids 2012 77 1403-1418 Solid-phase chemical synthesis and in vitro biological evaluation of novel 2β-piperazino-(20R)-5α-pregnane-3α,20-diol N-derivatives as anti-leukemic agents Hajer Jegham, René Maltais, Philippe Dufour, Jenny Roy, Donald Poirier Structure 13C NMR 碳谱模拟图 19 . 3β,4α-dihydroxypregnan-16-one C21H34O3 相似度:66.6% Canadian Journal of Chemistry 2003 81 253-257 A pentanortriterpenoid with a novel carbon skeleton and a new pregnane from Trichilia connaroides Hua-Ping Zhang, Shao-Hua Wu, Yue-Mao Shen, Yun-Bao Ma, Da-Gang Wu, Shu-Hua Qi, Xiao-Dong Luo Structure 13C NMR 碳谱模拟图 20 . 5α-Pregnane C21H36 相似度:66.6% Organic Magnetic Resonance 1977 9 439-464 13C N.m.r. Spectra of steroids—A Survey and Commentary J.W.Blunt and J.B.Stothers Structure 13C NMR 碳谱模拟图 21 . 5α-Pregnane-3β,20-diol C21H36O2 相似度:66.6% Organic Magnetic Resonance 1977 9 439-464 13C N.m.r. Spectra of steroids—A Survey and Commentary J.W.Blunt and J.B.Stothers Structure 13C NMR 碳谱模拟图 22 . 5β-Pregnane C21H36 相似度:66.6% Organic Magnetic Resonance 1977 9 439-464 13C N.m.r. Spectra of steroids—A Survey and Commentary J.W.Blunt and J.B.Stothers Structure 13C NMR 碳谱模拟图 23 . 3β-Hydroxy-5β-pregnan-20-one C21H34O2 相似度:66.6% Organic Magnetic Resonance 1977 9 439-464 13C N.m.r. Spectra of steroids—A Survey and Commentary J.W.Blunt and J.B.Stothers Structure 13C NMR 碳谱模拟图 |
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