Method for Producing (2,4-Dimethylbiphenyl-3-yl)Acetic Acids, the Esters Thereof and Intermediate Compounds
申请人:FISCHER Reiner
公开号:US20120116118A1
公开(公告)日:2012-05-10
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制备取代和未取代的(2,4-二甲基联苯-3-基)乙酸及其酯的方法,使用均相和异相钯催化剂,以及中间体4-叔丁基-2,6-二甲基苯乙酸和4-叔丁基-2,6-二甲基苯乙酸的制备方法。