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
  • 申请号: US725650
    申请日: 1991-07-03
  • 公开(公告)号: US5204469A
    公开(公告)日: 1993-04-20
  • 发明人: Marcel DescampsJoel Radisson
  • 申请人: Marcel DescampsJoel 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
Process for the preparation of an n-phenylacetic derivative of
tetrahydrothieno(3,2-c)pyridine and its chemical intermediate
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.
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