| 化學名 | Ergosta-5,24-dien-26-oic acid,3,14,17,20,22-pentahydroxy-1-oxo-δ-lactone,(3β,17α,22R)-
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| 藥物名稱 | 3β-Hydroxy-2,3-dihydro-withanolid F
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| 異名（中) | |
| 異名（英) | |
| 分子量 | 488.62
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| 理化性質(zhì) | mp260～261℃(甲醇-丙酮),[α]D+61.4°(c=0.2,氯仿)。UV λmax(EtOH)nm(ε):224(10800)。IR γmax(KBr)cm\-1:3400,1700,1670,1650。MS(LR) m/z(rel.int.):452([M-2×H2O]+,3),434([M-3×H2O]+,4),416([M-4×H2O]+,1),345([M-125-H2O]+,9),327([M-125-2×H2O]+,9),309([M-125-3×H2O]+,6),283([M-169-2×H2O]+,17),125([cleavageC20-C22]+,62),169([cleavageC17-C20]+,32);MS(HR) m/z:434.2446([C28H34O4]+,10),345.2065([C21H29O4]+,14),327.1931([C21H2703]+,16),309.1847([C21H25O2]+,11),301.1788([C19H25O3,M-169-H2O]+,36),283,1696([C19H23O2]+,23),255.1774([C18H23O,M-169-2×H20-CO]+,13),241.1600([C17H21O,M-125-2×H20-cleavage of ring A]+,14),197.1318([C15H17,M-169-2×H20-cleavage of ring A]+,21),125.0595([C7H902]+,89),169,0874([C9H13-O3]+,42)。
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| 構效關系 | |
| 藥化作用 | |
| 毒性 | |
| 臨床 | |
| 不良反應 | |
| 成分分類 | 甾體 steroid;δ-內(nèi)酯δ-lactone
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| 用途分類 | |
| 來源 | 茄科(Solanaceae)
凝固醉茄 Withania coagulans Dunal 果實
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| 化學號 | 87168-24-9
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| 參考文獻 | 《植物活性成分辭典》
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| 分子式 | C28H40O7
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| 熔點 | |
| 旋光度 | |
| 沸點 | |
| 來源拉丁學名 |
