【结 构 式】 |
【分子编号】33218 【品名】(2R,4aR,6R,7R,8S,8aR)-7-(acetoxy)-6-hydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-8-yl acetate 【CA登记号】 |
【 分 子 式 】C12H18O8 【 分 子 量 】290.27012 【元素组成】C 49.65% H 6.25% O 44.1% |
与该中间体有关的原料药合成路线共 1 条
合成路线1
该中间体在本合成路线中的序号:(I)By reaction of 4,6-O-ethylidene-2,3-di-O-acetyl-beta-D-glucopyranose (I) and 4'-benzyloxycarbonyl-4'-demethyl-epipodophyllotoxin (II) in the presence of boron trifluoride etherate to give the compound (III), which is treated with Zn(OAc)2 and NaOAc followed by reduction with Pd-C.
【1】 Kuhn, M.; et al.; Verhafren zur Herstellung von Glucosiden. AT 303270B; AT 319971B; CH 514578; NL 6901619 . |
【2】 Cabanillas, F.; Etoposide. Drugs Fut 1979, 4, 4, 257. |
中间体序号 | 中间体编号 | 品名 | CAS号 | 分子式 | 供应商 | 用于合成 |
---|---|---|---|---|---|---|
(I) | 33218 | (2R,4aR,6R,7R,8S,8aR)-7-(acetoxy)-6-hydroxy-2-methylhexahydropyrano[3,2-d][1,3]dioxin-8-yl acetate | C12H18O8 | 详情 | 详情 | |
(II) | 15774 | 4-[(5R,5aR,8aR,9S)-9-hydroxy-6-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl]-2,6-dimethoxyphenyl benzyl carbonate | C29H26O10 | 详情 | 详情 | |
(III) | 33219 | (2R,4aR,6R,7R,8S,8aR)-6-[[(5S,5aR,8aR,9R)-9-(4-[[(benzyloxy)carbonyl]oxy]-3,5-dimethoxyphenyl)-8-oxo-5,5a,6,8,8a,9-hexahydrofuro[3',4':6,7]naphtho[2,3-d][1,3]dioxol-5-yl]oxy]-7-(acetoxy)-2-methylhexahydropyrano[3,2-d][1,3]dioxin-8-yl acetate | C41H42O17 | 详情 | 详情 |
Extended Information