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[求助]
求微谱数据
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9.4,10.2,18.5,19.4,25.6,33.1,35.2,36.1,37.5,39.8,42.1,42.9,48.5,54.8,56.3,56.6,57.5,59.2,83.5,88.9,117.6,121.1,122.5,128.6,133.6,138.3,139.3,143.4,153.5,159.1,196.6,202.4 可能是二聚体，麻烦帮我查一下，谢谢啦！ |
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jiangchunyong: 金币+2, 谢谢 2012-09-14 15:17:54
jiangchunyong: 金币+2, 谢谢 2012-09-14 15:17:54
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Stereoselective synthesis of some steroidal tetrahydrooxazin-2-ones, as novel presumed inhibitors of human 5α-reductase János Wölfling, László Hackler, Erzsébet Mernyák, Gyula Schneider, István Tóth, Mihály Szécsi, János Julesz, Pál Sohár, Antal Csámpai Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 10 . 2'-Phenyl-(24R)-24-ethyl-cholest[3,2-d]pyrimidin-4,22-diene C37H50N2 相似度:50% Steroids 2009 74 730-734 A facile three-component solid phase synthesis of steroidal A-ring fused pyrimidines under microwave irradiation Madan G. Barthakur, Shyamalee Gogoi, Mandakini Dutta, Romesh C. Boruah Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 11 . α-spinasterol 相似度:50% Natural Product Research 2001 15 339-344 A New Oleanane Triterpenoid from Gordonia ceylanica H. M. T. B. Herath; P. S. Athukoralage; Joanne F. Jamie Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 12 . 29-nor-3β-methoxyserrat-14-en-21-one 相似度:50% Phytochemistry 1995 38 1467-1471 21α-hydroxy-3β-methoxyserrat-14-en-30-al and other triterpenoids from the cuticle of Picea jezoensis Reiko Tanaka, Harumi Senba, Toshie Minematsu, Osamu Muraoka, Shunyo Matsunaga Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 13 . N-{4-[(6-methoxyquinolin-8-yl)amino]pentyl}-N2-({4-[(6-methoxyquinolin-8-yl)amino]pentyl}carbamoyl)-N5-{N-[(2,2,5,7,8-pentamethyl-3,4-dihydro-2H-chromen-6-yl)sulfonyl]carbamimidoyl}-L-ornithinamide C51H70N10O7S 相似度:50% Bioorganic & Medicinal Chemistry 2011 19 197-210 Synthesis, antiprotozoal, antimicrobial, b-hematin inhibition, cytotoxicity and methemoglobin (MetHb) formation activities of bis(8-aminoquinolines) Kirandeep Kaur, Meenakshi Jain, Shabana I. Khan, Melissa R. Jacob, Babu L. 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Ethyl ent-16β-Hydroxy-15α-{[(4-toluenesulfonyl)oxy]methyl}beyeran-19-oate C30H44O6S 相似度:50% 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 碳谱模拟图 -------------------------------------------------------------------------------- 17 . gagamine 相似度:50% Chinese Journal of Medicinal Chemistry 2009 19 140-143 C-21 steroidal glycosides from Cynanchum wallichiiW ight CHEN Gang, LI Zhi-feng, ZHANG Qi-hu, Pei Yue-hu Structure 13C NMR 碳谱模拟图 -------------------------------------------------------------------------------- 18 . 16 α-Fluorine-scutione 相似度:50% Bioorganic & Medicinal Chemistry 1996 4 815-820 Scutione, a new bioactive norquinonemethide triterpene from Maytenus scutioides (Celastraceae) Antonio G. González, Nelson L. Alvarenga, Angel G. Ravelo, Isabel L. Bazzocchi, Esteban A. 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2楼2012-09-03 16:38:07