发明公开
- 专利标题: Process for making benzimidazoles
- 专利标题(中): Verfahren zur Herstellung von Benzimidazolen。
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申请号: EP82302146.4申请日: 1982-04-27
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公开(公告)号: EP0069445A1公开(公告)日: 1983-01-12
- 发明人: Gencarelli, Richard A. , Wheeler, Edward L.
- 申请人: UNIROYAL, INC.
- 申请人地址: 1230 Avenue of the Americas Rockefeller Center New York, New York 10020 US
- 专利权人: UNIROYAL, INC.
- 当前专利权人: UNIROYAL, INC.
- 当前专利权人地址: 1230 Avenue of the Americas Rockefeller Center New York, New York 10020 US
- 代理机构: Harrison, Michael Robert
- 优先权: US259732 19810501
- 主分类号: C07D235/28
- IPC分类号: C07D235/28 ; C07D235/30 ; C07D235/26 ; C07D235/24 ; C07D235/02 ; C07D233/46 ; C07D233/42 ; C07D233/34 ; C07D233/32 ; C07D233/30 ; C07D277/68
摘要:
Method for making 5-membered ring compounds containing N, 0 or S atoms by reacting certain (thio)cyanate or cyanamide salts with compounds having NH 2 , OH or SH functionality vicinal to an-NH 2 group, in the presence of an acid except where said cyanate is an ammonium salt.
公开/授权文献
- EP0069445B1 Process for making benzimidazoles 公开/授权日:1986-10-01
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