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【结 构 式】 
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【分子编号】25089 【品名】ethyl 2-(2-sulfanyl-1,3-thiazol-4-yl)acetate 【CA登记号】 |
【 分 子 式 】C7H9NO2S2 【 分 子 量 】203.286 【元素组成】C 41.36% H 4.46% N 6.89% O 15.74% S 31.55% |
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)The reaction of 2-(2-sulfanylthiazol-4-yl)acetic acid ethyl ester (I) with ammonia and ammonium chloride gives the corresponding acetamide (II), which is condensed with the cephem methanesulfonate (III) by means of potassium tert-butoxide in dimethoxyethane to yield the diphenylmethyl ester (IV) of the target compound, which is finally hydrolyzed with trifluoroacetic acid and anisole.
| 【1】 Yoshida, Y.; Okuda, S.; Sasaki, H.; Matsuda, K.; Takasugi, H. (Fujisawa Pharmaceutical Co., Ltd.); New cephem cpds. and pharmaceutical use thereof. EP 0882052; JP 2000505432; WO 9729111 . |
| 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) | 25089 | ethyl 2-(2-sulfanyl-1,3-thiazol-4-yl)acetate | C7H9NO2S2 | 详情 | 详情 | |
| (II) | 25090 | 2-(2-sulfanyl-1,3-thiazol-4-yl)acetamide | C5H6N2OS2 | 详情 | 详情 | |
| (III) | 25091 | benzhydryl (6R,7R)-3-[(methylsulfonyl)oxy]-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | C29H26N2O7S2 | 详情 | 详情 | |
| (IV) | 25092 | benzhydryl (6R,7R)-3-[[4-(2-amino-2-oxoethyl)-1,3-thiazol-2-yl]sulfanyl]-8-oxo-7-[(2-phenylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | C33H28N4O5S3 | 详情 | 详情 |
Extended Information