发明授权
US5204469A Process for the preparation of an n-phenylacetic derivative of
tetrahydrothieno(3,2-c)pyridine and its chemical intermediate
失效
制备四氢吡喃(3,2-C)吡啶及其化学中间体的N-苯基衍生物的方法
- 专利标题: Process for the preparation of an n-phenylacetic derivative of tetrahydrothieno(3,2-c)pyridine and its chemical intermediate
- 专利标题(中): 制备四氢吡喃(3,2-C)吡啶及其化学中间体的N-苯基衍生物的方法
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申请号: US725650申请日: 1991-07-03
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公开(公告)号: US5204469A公开(公告)日: 1993-04-20
- 发明人: Marcel Descamps , Joel Radisson
- 申请人: Marcel Descamps , Joel Radisson
- 申请人地址: FRX Paris
- 专利权人: Sanofi
- 当前专利权人: Sanofi
- 当前专利权人地址: FRX Paris
- 优先权: FRX9008749 19900710
- 主分类号: C07D333/20
- IPC分类号: C07D333/20 ; C07D495/04
摘要:
The invention relates to a process for the preparation of the compound of formula ##STR1## wherein a formylating agent is reacted with the compound of formula ##STR2## and wherein the compounds obtained are cyclised in the presence of an acid.
公开/授权文献
- US5726276A Process for preparing polyacetal copolymer 公开/授权日:1998-03-10
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