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见附件我只知结构 文件名: 片段.shs 描述: 片段.shs 下载链接: http://www.fs2you.com/files/ebc96b0a-0959-11dd-bc6d-0014221b798a/ |
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gxh200719
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4楼2008-04-14 08:05:21
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C32 H50 O3 CA Index Name: Urs-12-en-11-one, 3-(acetyloxy)-, (3b)- Other Names: Urs-12-en-11-one, 3b-hydroxy-, acetate (6CI,7CI,8CI); 11-Oxo-a-amyrin acetate; 11-Oxours-12-en-3b-yl acetate; 11-keto-a-Amyrin acetate; 3b-Acetoxyurs-12-en-11-one; Neoilexonol acetate Zhang, Qing-Ying; Zhao, Yu-Ying; Cheng, Tie-Ming; Cui, Yu-Xin; Liu, Xue-Hui. A new triterpenoid from Stelmacrypton khasianum. Journal of Asian Natural Products Research (2000), 2(2), 81-86. CODEN: JANRFI ISSN:1028-6020. CAN 133:101980 AN 2000:308852 CAPLUS Kuo, Yueh-Hsiung; Li, Yen-Cheng. Constituents of the bark of Ficus microcarpa L.f. Journal of the Chinese Chemical Society (Taipei) (1997), 44(3), 321-325. CODEN: JCCTAC ISSN:0009-4536. CAN 127:231875 AN 1997:508060 CAPLUS Madhusudanan, K. P.; Singh, Chandan; Singh, R. K. Chemical ionization mass spectrometry using ammonia as reagent gas: mass spectra of pentacyclic triterpenes. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry (1983), 22B(4), 370-3. CODEN: IJSBDB ISSN:0376-4699. CAN 99:122689 AN 1983:522689 CAPLUS Madhusudanan, K. P.; Singh, Chandan. Negative ion mass spectra of pentacyclic triterpenoids. Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry (1982), 21B(7), 675-7. CODEN: IJSBDB ISSN:0376-4699. CAN 98:89696 AN 1983:89696 CAPLUS Wahlberg, Inger; Karlsson, Kerstin; Enzell, Curt R. Mass spectral fragmentation reaction characteristic of 11-oxo-a-amyrin and 11-oxo-b-amyrin derivatives. Acta Chemica Scandinavica (1947-1973) (1971), 25(8), 3192-3. CODEN: ACSAA4 ISSN:0001-5393. CAN 76:59861 AN 1972:59861 CAPLUS |
3楼2008-04-14 01:34:11
