发明授权
- 专利标题: Process for the preparation of phenyltetrazole derivatives
- 专利标题(中): 苯基四唑衍生物的制备方法
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申请号: US10567492申请日: 2004-07-30
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公开(公告)号: US07385062B2公开(公告)日: 2008-06-10
- 发明人: Graziano Castaldi , Pietro Allegrini , Gabriele Razzetti , Alberto Bologna , Marcello Rasparini , Vittorio Lucchini
- 申请人: Graziano Castaldi , Pietro Allegrini , Gabriele Razzetti , Alberto Bologna , Marcello Rasparini , Vittorio Lucchini
- 申请人地址: IT Mereto Di Tomba
- 专利权人: Dipharma S.p.A.
- 当前专利权人: Dipharma S.p.A.
- 当前专利权人地址: IT Mereto Di Tomba
- 代理机构: Young & Thompson
- 优先权: ITMI2003A1638 20030808; ITMI2004A0929 20040507
- 国际申请: PCT/EP2004/008576 WO 20040730
- 国际公布: WO2005/014560 WO 20050217
- 主分类号: C07D257/04
- IPC分类号: C07D257/04
摘要:
A process for the preparation of phenyltetrazole derivatives of formula (II) wherein R and Y are as defined in the disclosure, by direct ortho-metallation of (tetrazol-5-γl)benzene. The compounds of formula (II) are useful intermediates for the preparation of angiotensin II antagonists.
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