发明授权
US5136091A Process for the production of 1-(aminomethyl) cyclohexane acetic acid
失效
制备1-(氨基甲基)环己烷乙酸的方法
- 专利标题: Process for the production of 1-(aminomethyl) cyclohexane acetic acid
- 专利标题(中): 制备1-(氨基甲基)环己烷乙酸的方法
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申请号: US786777申请日: 1991-11-01
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公开(公告)号: US5136091A公开(公告)日: 1992-08-04
- 发明人: Hans P. Mettler , Felix Previdoli
- 申请人: Hans P. Mettler , Felix Previdoli
- 申请人地址: CHX Gampel/Valais
- 专利权人: Lonza Ltd.
- 当前专利权人: Lonza Ltd.
- 当前专利权人地址: CHX Gampel/Valais
- 优先权: CHX4128/89 19891116
- 主分类号: C07C227/04
- IPC分类号: C07C227/04 ; C07C229/28 ; C07C255/46
摘要:
A new process is described for the production of 1-(aminomethyl)cyclohexane acetic acid, a pharmaceutical agent used as an anticonvulsant. For this purpose a (1-cyanocyclohexyl)-malonic acid dialkyl ester is decarbalkoxylated to the corresponding (1-cyanocyclohexyl)acetic acid alkyl ester, then transesterified with a benzyl alcohol and finally hydrogenated to form the end product.
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