Invention Grant
- Patent Title: Method for preparation of 2-(2,3-dimethylphenyl)-1-propanal
- Patent Title (中): 2-（2,3-二甲基苯基）-1-丙醛的制备方法
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Application No.: US14386020Application Date: 2012-11-15
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Publication No.: US09126915B2Publication Date: 2015-09-08
- Inventor: Florencio Zaragoza Doerwald , Anna Kulesza , Stephan Elzner , Robert Bujok , Zbigniew Wrobel , Krzysztof Wojciechowski
- Applicant: LONZA LTD
- Applicant Address: CH Visp
- Assignee: Lonza Ltd.
- Current Assignee: Lonza Ltd.
- Current Assignee Address: CH Visp
- Agency: Dority & Manning, P.A.
- Priority: EP12167135 20120508; EP12187354 20121005; WOPCT/EP2012/070873 20121022; EP12192621 20121114
- International Application: PCT/EP2012/072797 WO 20121115
- International Announcement: WO2013/011156 WO 20130124
- Main IPC: C07C45/42
- IPC: C07C45/42 ; C07D233/00 ; C07C45/58 ; C07C29/40 ; C07D301/12 ; C07D303/04 ; C11B9/00 ; C07D233/58 ; C07C1/22 ; C07C29/38
Abstract:
The invention discloses a method for preparation of 2-(2,3-dimethylphenyl)-1-proponal from bromo 2,3-dimethyl-benzene and aceton, its use in perfumes and its use for the preparation of medetomidine.
Public/Granted literature
- US20150080287A1 METHOD FOR PREPARATION OF 2-(2,3-DIMETHYLPHENYL)-1-PROPANAL Public/Granted day:2015-03-19
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