Method for producing (2,4-dimethylbiphenyl-3-yl)acetic acids, the esters thereof and intermediate compounds
申请人:Fischer Reiner
公开号:US08664428B2
公开(公告)日:2014-03-04
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.