发明申请
- 专利标题： Method for producing alkyl ketene dimers
- 专利标题（中）： 烷基烯酮二聚体的制备方法
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申请号： US10495756申请日： 2002-11-19
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公开(公告)号： US20050107639A1公开(公告)日： 2005-05-19
- 发明人: Roland Ettl , Manfred Winter , Torsten Freund , Thomas Kessler , Gunther Grimm
- 申请人： Roland Ettl , Manfred Winter , Torsten Freund , Thomas Kessler , Gunther Grimm
- 优先权： DE10158661.2 20011130
- 国际申请： PCT/EP02/12932 WO 20021119
- 主分类号： C07D315/00
- IPC分类号： C07D315/00 ; C07C45/87
摘要：
Alkylketene dimers are prepared by reacting acyl chlorides with tertiary amines in a molar ratio of from 1:1 to 1:1.6 at from 65 to 150° C. and with a residence time of from 1 to 30 minutes in the absence of solvents with thorough mixing and isolation of the alkylketene dimers.
公开/授权文献
- US07078569B2 Method for producing alkylketen dimers 公开/授权日：2006-07-18