发明授权
- 专利标题: Process for the synthesis of 5-amino tetrazole derivatives
- 专利标题(中): 合成5-氨基四唑衍生物的方法
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申请号: US359139申请日: 1994-12-19
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公开(公告)号: US5608074A公开(公告)日: 1997-03-04
- 发明人: Jonathan Walker
- 申请人: Jonathan Walker
- 申请人地址: NJ Morris Plains
- 专利权人: Warner-Lambert Company
- 当前专利权人: Warner-Lambert Company
- 当前专利权人地址: NJ Morris Plains
- 主分类号: C07D333/38
- IPC分类号: C07D333/38 ; C07D333/70 ; C07D409/12
摘要:
An improved process for the preparation of 3-chlorobenzo[b]thiophene-2-carbonyl chlorides is described where a cinnamic acid is converted in the presence of thionyl chloride and a 4-N,N'-disubstituted aminopyridine in one step to the desired product.
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