申请人:Colgate-Palmolive Company
公开号:US20170113989A1
公开(公告)日:2017-04-27
Disclosed herein are improved methods for the synthesis of honokiol, as well as methods for the synthesis of 3,3′-di-tert-butyl-5,5′-dimethyl-[1,1′-biphenyl]-2,4′-diol, 3′,5-dimethyl-[1,1′-biphenyl]-2,4′-diol, and 2,4′-dimethoxy-3′,5-dimethyl-1,1′-biphenyl, 3,3′,5,5′-tetra-tert-butyl-[1,1′-biphenyl]-2,4′-diol, and certain tetrasubstituted bisphenols, and uses therefor.
本文披露了改进的本品合成方法,以及合成3,3′-二叔丁基-5,5′-二甲基-[1,1′-联苯]-2,4′-二酚、3′,5-二甲基-[1,1′-联苯]-2,4′-二酚和2,4′-二甲氧基-3′,5-二甲基-1,1′-联苯、3,3′,5,5′-四叔丁基-[1,1′-联苯]-2,4′-二酚以及某些四取代双酚,及其用途。