发明公开
EP2847157A2 METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL
有权
PROCESS FOR 2-(2,3-二甲基苯基)-1-丙醛的制备
- 专利标题: METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL
- 专利标题(中): PROCESS FOR 2-(2,3-二甲基苯基)-1-丙醛的制备
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申请号: EP12784297.9申请日: 2012-11-15
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公开(公告)号: EP2847157A2公开(公告)日: 2015-03-18
- 发明人: ZARAGOZA DOERWALD, Florencio , KULESZA, Anna , ELZNER, Stephan , BUJOK, Robert , WROBEL, Zbigniew , WOJCIECHOWSKI, Krzysztof
- 申请人: Lonza Ltd
- 申请人地址: Lonzastrasse 3930 Visp CH
- 专利权人: Lonza Ltd
- 当前专利权人: Lonza Ltd
- 当前专利权人地址: Lonzastrasse 3930 Visp CH
- 优先权: EP12167135 20120508; US201261644198P 20120508; EP12187354 20121005; PCT/EP2012/070873 20121022; EP12192621 20121114
- 国际公布: WO2013011156 20130124
- 主分类号: C07C47/228
- IPC分类号: C07C47/228 ; C07C45/58 ; C07D303/04 ; C07D301/24 ; C07D301/03 ; C07C15/02 ; C07C5/48 ; C07C33/20 ; C07C29/40 ; C07D233/58 ; C11B9/00
摘要:
The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-propanal from bromo 2,3-dimethylbenzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
公开/授权文献
- EP2847157B1 METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL 公开/授权日:2015-10-28
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