Invention Grant
US08664428B2 Method for producing (2,4-dimethylbiphenyl-3-yl)acetic acids, the esters thereof and intermediate compounds
有权
制备（2,4-二甲基联苯-3-基）乙酸的方法，其酯和中间体化合物
- Patent Title: Method for producing (2,4-dimethylbiphenyl-3-yl)acetic acids, the esters thereof and intermediate compounds
- Patent Title (中): 制备（2,4-二甲基联苯-3-基）乙酸的方法，其酯和中间体化合物
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Application No.: US13382847Application Date: 2010-06-25
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Publication No.: US08664428B2Publication Date: 2014-03-04
- Inventor: Reiner Fischer , Thomas Himmler , Wolfgang Joerges , Werner Lindner , Wahed Ahmed Moradi
- Applicant: Reiner Fischer , Thomas Himmler , Wolfgang Joerges , Werner Lindner , Wahed Ahmed Moradi
- Applicant Address: DE Monheim
- Assignee: Bayer CropScience AG
- Current Assignee: Bayer CropScience AG
- Current Assignee Address: DE Monheim
- Agency: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- Priority: EP09164792 20090707
- International Application: PCT/EP2010/003911 WO 20100625
- International Announcement: WO2011/003530 WO 20110113
- Main IPC: C07C67/343
- IPC: C07C67/343 ; C07C67/317 ; C07C67/327 ; C07C67/307 ; C07C69/612
Abstract:
The present invention relates to a novel process for preparing substituted and unsubstituted (2,4-dimethylbiphenyl-3-yl)acetic acids and their esters of the formula (I) using homogeneous and heterogeneous palladium catalysts, and also the intermediates 4-tert-butyl-2,6-dimethylphenylacetic acid and 4-tert-butyl-2,6-dimethylmandelic acid, and to processes for their preparation.
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