发明公开
- 专利标题: SYNTHESIS OF $g(a)-CHLORO OR FLUORO KETONES
- 专利标题(中): 合成ALPHA-氯或氟酮的
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申请号: EP96930823.0申请日: 1996-09-11
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公开(公告)号: EP0851850A1公开(公告)日: 1998-07-08
- 发明人: DOLLING, Ulf, H. , FREY, Lisa, F. , TILLYER, Richard, D. , TSCHAEN, David, M.
- 申请人: MERCK & CO., INC.
- 申请人地址: 126 East Lincoln Avenue Rahway, New Jersey 07065 US
- 专利权人: MERCK & CO., INC.
- 当前专利权人: MERCK & CO., INC.
- 当前专利权人地址: 126 East Lincoln Avenue Rahway, New Jersey 07065 US
- 代理机构: Horgan, James Michael Frederic
- 优先权: US19950003823 19950915; GB19960002925 19960213
- 国际公布: WO1997010195 19970320
- 主分类号: C07C45
- IPC分类号: C07C45 ; C07C259 ; C07C319 ; C07D317 ; C07D333 ; C07C323
摘要:
A simple, high yielding synthesis of α-chloro ketones is described, involving acylation of Grignard and organolithium reagents with N-methoxy-M-methylchloroacetamide. The efficiency of the process is further enhanced by recycling N,O-dimethylhydroxylamine.
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