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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共22条记录   Two new C-21 steroidal glycosides from the stems of Marsdenia tenacissima [作者：Zhang, H; Tan, AM; Feng, F; Yang, SB; Zhang, AY; Huang, X,期刊：Helvetica Chimica Acta, 页码：1489-1493 , 文章类型： Article，,卷期：2008年91-8] Two new pregnane glycosides. (3 beta,5 alpha,12 eta,14 beta,17 alpha)-3-(beta-cymaropyranosyloxy)-8,14.17,20-tetrahydroxypregnan-12-yl benzoate (1) and (3 beta,5 alpha,12 beta,14 beta,17 alpha)-3-(beta-cymaropyranosylosy... Two new spirostanol saponins from Reineckia carnea [作者：Zhang, ZQ; Chen, JC; Zhang, XM; Li, ZR; Qiu, MH,期刊：Helvetica Chimica Acta, 页码：1494-1499 , 文章类型： Article，,卷期：2008年91-8] Two new spirostanol saponins, (1 beta,3 beta,5 beta,25S)-spirostan-1,3-diol 1-(beta-D-xylopyranoside) (1) and (1 beta,3 beta,5 beta,25S)-spirostan-1,3-diol 1-[alpha-L-rhamnopyranosyl-(1 -> 2)-beta-D-fucopyranoside] (2), ... Intramolecular Wittig reaction: A new synthesis of (S)-pyrrolam A [作者：Majik, MS; Parameswaran, PS; Tilve, SG,期刊：Helvetica Chimica Acta, 页码：1500-1504 , 文章类型： Article，,卷期：2008年91-8] A straightforward synthesis of (S)-pyrrolam A is described. The synthesis involves in situ generation of the phosphorane 3. followed by an intramolecular Wittig reaction to furnish (S)-pyrrolam A. Retention behavior of neutral and positively and negatively charged solutes on an immobilized-artificial-membrane (IAM) stationary phase [作者：Lin, XL; Hefesha, H; Scriba, G; Fahr, A,期刊：Helvetica Chimica Acta, 页码：1505-1512 , 文章类型： Article，,卷期：2008年91-8] The retention behavior Of neutral, positively charged, and negatively charged solutes on the IAM.PC.DD2 stationary phase was investigated and compared. A set of monofunctional compounds and complex drugs (,steroids, nons... Three new lanostane triterpenoids, inonotsutriols A, B, and C, from Inonotus obliquus [作者：Taji, S; Yamada, T; Tanaka, R,期刊：Helvetica Chimica Acta, 页码：1513-1524 , 文章类型： Article，,卷期：2008年91-8] Three new lanostane-type triterpenoids, inonotsutriols A (1),B (2),and C(3) were isolated from the sclerotia of Inonotus obliquus (PERS.: Fr.) (Japanese name: kabanoanatake; Russian name: chaga). Their structures were de... Phenylethyl glycosides from Globularia alypum growing in Turkey [作者：Kirmizibekmez, H; Bassarello, C; Piacente, S; Cahs, I,期刊：Helvetica Chimica Acta, 页码：1525-1532 , 文章类型： Article，,卷期：2008年91-8] From the leaves of Globularia alypum, three new phenylethyl glycoside, namely galypumosides A (=2-(3,4-dihydroxyphenyl)ethyl O-alpha-rhamnopyranosyl-(1 -> 3)-4-O-[(E)-caffeoyl]-6-O-[(E)-p-coumaroyl]-beta-glucopyranoside;...