【结 构 式】 |
【分子编号】45435 【品名】(10R,13S,16R,17R)-17-(2-chloroacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl 2-furoate 【CA登记号】83880-65-3 |
【 分 子 式 】C27H29ClO5 【 分 子 量 】468.97696 【元素组成】C 69.15% H 6.23% Cl 7.56% O 17.06% |
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:(III)The esterification of 21-chloro-17alpha-hydroxy-16alpha-methyl-1,4,9(11)-pregnatriene-3,20-dione (I) with 2-furoyl chloride (II) by means of TEA gives the corresponding ester (III), which is then treated with HClO4 and 1,3-dichloro-5,5-dimethylhydantoin (DDH) in THF/water in order to add Cl-OH to the 9(11)-double bond of ester (III).
【1】 Shapiro, E.L. (Schering Corp.); 3,20-Dioxo-1,4-pregnanediene-17alpha-ol 17-aromatic heterocycle carboxylates. EP 0057401; US 4472393 . |
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) | 45434 | (10R,13S,16R,17R)-17-(2-chloroacetyl)-17-hydroxy-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one | C22H27ClO3 | 详情 | 详情 | |
(II) | 26093 | 2-Furoyl chloride | 527-69-5 | C5H3ClO2 | 详情 | 详情 |
(III) | 45435 | (10R,13S,16R,17R)-17-(2-chloroacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl 2-furoate | 83880-65-3 | C27H29ClO5 | 详情 | 详情 |
Extended Information