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【结 构 式】

【分子编号】29718

【品名】2-[(8S,13S,14S,17R)-5,10-dibromo-17-hydroxy-13-methyl-3-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl]acetonitrile

【CA登记号】

【 分 子 式 】C20H27Br2NO2

【 分 子 量 】473.24792

【元素组成】C 50.76% H 5.75% Br 33.77% N 2.96% O 6.76%

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:(II)

The bromination of 17-alpha-cyanomethyl-17-beta-hydroxy-13-beta-methylgona-5(10)-ene-3-one (I) with polyvinylpyridinium bromide perbromide yields dibromide (II), which immediately debrominates to the final product.

1 Huebner, M.; Menzenbach, B. (Akademie der Wissenschaften der DDR); Verfahren zur herstellung von steroiden mit einem 4,9-diensystem. DD 205170 .
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) 29717 2-[(8R,13S,14S,17R)-17-hydroxy-13-methyl-3-oxo-2,3,4,6,7,8,9,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]acetonitrile C20H27NO2 详情 详情
(II) 29718 2-[(8S,13S,14S,17R)-5,10-dibromo-17-hydroxy-13-methyl-3-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl]acetonitrile C20H27Br2NO2 详情 详情
Extended Information