【结 构 式】 |
【分子编号】22594 【品名】N-(4-amino-3,5-dichlorophenyl)-2,2,2-trichloroacetamide 【CA登记号】 |
【 分 子 式 】C8H5Cl5N2O 【 分 子 量 】322.40408 【元素组成】C 29.8% H 1.56% Cl 54.98% N 8.69% O 4.96% |
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 cyclization of 2-amino-4'-bromobenzophenone (I) with ethyl 2-(methylthio)acetate (II) by means of tert-butyl hypochlorite in dichloromethane at 70 C gives 7-(4-bromobenzoyl)-3-(methylthio)-2,3-dihydro-1H-indol-2-one (III), which is desulfurized by a treatment with Raney Nickel in THF yielding 7-(4-bromobenzoyl)-2,3-dihydro-1H-indol-2-one (IV). Finally, this compound is hydrolyzed with refluxing 3N NaOH and acidified with concentrated HCl.
【1】 York, B.M. Jr. (Alcon Laboratories, Inc.); Method for lowering intraocular pressure using phenylimino-imidazoles. US 4517199 . |
【2】 Cavero, I.; Langer, S.Z.; York, B.M. Jr.; Method of lowering intraocular pressure using phenylimino-imidazoles. US 4515800 . |
【3】 Prous, J.; Castaner, J.; Aplonidine hydrochloride. Drugs Fut 1988, 13, 6, 507. |
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) | 22592 | 2,6-dichloro-4-nitrophenylamine; 2,6-dichloro-4-nitroaniline | 99-30-9 | C6H4Cl2N2O2 | 详情 | 详情 |
(II) | 14754 | ethylenediamine;1,2-Diaminoethane;ethane-1,2-diamine;1,2-Ethanediamine | 107-15-3 | C2H8N2 | 详情 | 详情 |
(II) | 22593 | 2,6-dichloro-1,4-benzenediamine; 4-amino-2,6-dichlorophenylamine | 609-20-1 | C6H6Cl2N2 | 详情 | 详情 |
(III) | 22594 | N-(4-amino-3,5-dichlorophenyl)-2,2,2-trichloroacetamide | C8H5Cl5N2O | 详情 | 详情 | |
(IV) | 22595 | 2,2,2-trichloro-N-[3,5-dichloro-4-(formylamino)phenyl]acetamide | C9H5Cl5N2O2 | 详情 | 详情 | |
(V) | 22596 | 1,3-dichloro-2-[(dichloromethylene)amino]-5-[(2,2,2-trichloroacetyl)amino]benzene | C9H3Cl7N2O | 详情 | 详情 | |
(VII) | 22597 | 2,2,2-trichloro-N-[3,5-dichloro-4-(2-imidazolidinylideneamino)phenyl]acetamide | C11H9Cl5N4O | 详情 | 详情 |
Extended Information