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.
本发明涉及一种新型方法,使用均相和非均相钯催化剂制备式(I)的取代和未取代(2,4-二甲基联苯-3-基)乙酸及其酯,以及中间体4-叔丁基-2,6-二甲基苯乙酸和4-叔丁基-2,6-二甲基苯甲酸的制备方法。