发明申请
US20150239816A1 METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL WITH CHLOROACETONE
有权
用氯丁酮制备2-(2,3-二甲基苯基)-1-丙醛的方法
- 专利标题: METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL WITH CHLOROACETONE
- 专利标题(中): 用氯丁酮制备2-(2,3-二甲基苯基)-1-丙醛的方法
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申请号: US14385789申请日: 2012-11-15
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公开(公告)号: US20150239816A1公开(公告)日: 2015-08-27
- 发明人: Florencio Zaragoza Doerwald , Anna Kulesza , Stephan Elzner , Robert Bujok , Zbigniew Wrobel , Krzysztof Wojciechowski
- 申请人: LONZA LTD
- 优先权: EP12174104.5 20120628; EP12189239.2 20121019; EPPCT/EP2012/070879 20121022; EP12192627.3 20121114
- 国际申请: PCT/EP2012/072799 WO 20121115
- 主分类号: C07C45/58
- IPC分类号: C07C45/58 ; C07D301/26 ; C07C25/125
摘要:
The invention discloses a method for the preparation of 2-(2,3-dimethylphenyl)-1-propanal starting from 1-bromo 2,3-dimethylbenzene and chloroacetone, its use in perfumes and its use for the preparation of medetomidine.
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