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IMB001金虫 (小有名气)
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[求助]
微谱求助
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| 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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IMB001: 金币+30, ★★★★★最佳答案 2013-10-12 21:18:48
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IMB001: 金币+30, ★★★★★最佳答案 2013-10-12 21:18:48
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???????????鵽2144????????(???????????ο?) -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? -------------------------------------------------------------------------------- 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 ??????? |
2楼2013-10-11 21:34:21
