发明授权
- 专利标题: NOVEL METHOD FOR PREPARING 3-AMINO-2-CHLORO-4-ALKYLPYRIDINES
- 专利标题(中): 新方法3-氨基-2-氯-4-烷基吡啶的制备
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申请号: EP92914035.8申请日: 1992-05-29
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公开(公告)号: EP0543000B1公开(公告)日: 1996-12-11
- 发明人: GROZINGER, Karl, G. , HARGRAVE, Karl, D. , ADAMS, Julian
- 申请人: BOEHRINGER INGELHEIM PHARMACEUTICALS INC.
- 申请人地址: 900 Ridgebury Road, P.O. Box 368 Ridgefield, Connecticut 06877-0368 US
- 专利权人: BOEHRINGER INGELHEIM PHARMACEUTICALS INC.
- 当前专利权人: BOEHRINGER INGELHEIM PHARMACEUTICALS INC.
- 当前专利权人地址: 900 Ridgebury Road, P.O. Box 368 Ridgefield, Connecticut 06877-0368 US
- 代理机构: Laudien, Dieter, Dr.
- 优先权: US714129 19910611
- 国际公布: WO9222532 19921223
- 主分类号: C07D213/73
- IPC分类号: C07D213/73
摘要:
A process for the preparation of a 3-amino-2-chloro-4-alkylpyridine of formula (I), wherein R is alkyl of from one to three carbon atoms, an intermediate in the preparation of certain 5,11-dihydro-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepine compounds useful in the prevention and treatment of HIV infection.
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