发明授权
- 专利标题: Method for preparing 3-amino-2-chloro-4-alkylpyridines
- 专利标题(中): 制备3-氨基-2-氯代-4-氨基吡啶的方法
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申请号: US714129申请日: 1991-06-11
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公开(公告)号: US5200522A公开(公告)日: 1993-04-06
- 发明人: Karl G. Grozinger , Karl D. Hargrave , Julian Adams
- 申请人: Karl G. Grozinger , Karl D. Hargrave , Julian Adams
- 申请人地址: CT Ridgefield
- 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: CT Ridgefield
- 主分类号: B01J23/44
- IPC分类号: B01J23/44 ; C07D213/73 ; C07D213/82 ; C07D213/85
摘要:
A process for the preparation of a 3-amino-2-chloro-4-alkylpyridine of the formula: ##STR1## 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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