发明授权
US4764642A Process for preparing optically active alpha-haloalkyl-aryl-ketones
失效
制备光学活性α-卤代烷基 - 芳基酮的方法
- 专利标题: Process for preparing optically active alpha-haloalkyl-aryl-ketones
- 专利标题(中): 制备光学活性α-卤代烷基 - 芳基酮的方法
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申请号: US915573申请日: 1986-10-06
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公开(公告)号: US4764642A公开(公告)日: 1988-08-16
- 发明人: Graziano Castaldi , Silvia Cavicchioli , Claudio Giordano
- 申请人: Graziano Castaldi , Silvia Cavicchioli , Claudio Giordano
- 申请人地址: ITX Vicenza
- 专利权人: Zambon S.p.A.
- 当前专利权人: Zambon S.p.A.
- 当前专利权人地址: ITX Vicenza
- 优先权: ITX22356A/85 19851004
- 主分类号: C07B31/00
- IPC分类号: C07B31/00 ; C07B53/00 ; C07C45/00 ; C07C45/59 ; C07C49/80 ; C07C49/84 ; C07C67/00 ; C07D317/32
摘要:
A process is described for preparing alpha-haloalkyl-aryl-ketones, comprising reacting a substantially anhydrous strong acid with a ketal of formula ##STR1## in which Ar, R, R.sub.1, R.sub.2 and X have the meanings given in the description.
公开/授权文献
- US5272742A Upper end fitting 公开/授权日:1993-12-21
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