中文名 | 异葫芦素B |
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英文名 | [(E,6R)-6-[(3S,8S,9R,10R,13R,14S,16R,17R)-3,16-dihydroxy-4,4,9,13,14-pentamethyl-2,11-dioxo-3,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate |
英文别名 |
(1S,4R,9β,16α,23E)-1,16,20-Trihydroxy-9,10,14-trimethyl-2,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate
Isocucurbitacin B 2-EPICUCURBITICIN B CUCURBITCIN B,2-EPI Estr-5-ene-2,11-dione, 17-[(1R,3E)-5-(acetyloxy)-1-hydroxy-1,5-dimethyl-2-oxo-3-hexen-1-yl]-3,16-dihydroxy-4,4,9,14-tetramethyl-, (3α,9β,10α,16α,17β)- 19-Norlanosta-5,23-diene-2,11,22-trione, 25-(acetyloxy)-3,16,20-trihydroxy-9-methyl-, (3α,9β,10α,16α,23E)- |
描述 | Isocucurbitacin B 是从Helicteres rswa L. (Sterculiaceae) 分离得到的一种毒性化合物。具有抗肿瘤活性。 |
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相关类别 | |
参考文献 |
密度 | 1.2±0.1 g/cm3 |
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沸点 | 702.4±60.0 °C at 760 mmHg |
分子式 | C32H46O8 |
分子量 | 558.703 |
闪点 | 219.9±26.4 °C |
精确质量 | 558.319275 |
PSA | 138.20000 |
LogP | 2.06 |
外观性状 | 粉末 |
蒸汽压 | 0.0±5.0 mmHg at 25°C |
折射率 | 1.568 |
储存条件 | 室温,密封,通风 |