申请人:Honshu Chemical Industry Co., Ltd.
公开号:US06603029B1
公开(公告)日:2003-08-05
The invention provides a partially protected trisphenol having the general formula (I)
wherein R1 is an alkyl group of 1-4 carbons or an alkoxyl group of 1-4 carbons, R2 is an alkyl group of 1-6 carbons or a cycloalkyl group of 5 or 6 carbons, X1 is a hydrogen atom, an alkoxycarbonylmethyl group wherein the alkyl group has 1-4 carbons, an alkoxycarbonyl group wherein the alkyl group has 1-4 carbons or a tetrahydropyranyl group, X2 is a hydrogen atom, an alkoxycarbonylmethyl group wherein the alkyl group has 1-4 carbons, an alkoxycarbonyl group wherein the alkyl group has 1-4 carbons or a tetrahydropyranyl group, provided that when X1 is a hydrogen atom, X2 is not a hydrogen atom, and when X2 is a hydrogen atom, X1 is not a hydrogen atom; and m is an integer of 0, 1 or 2, and n is an integer of 0, 1, 2 or 3.
该发明提供了一种具有通式(I)的部分保护三酚,其中R1是1-4碳原子的烷基基团或1-4碳原子的烷氧基基团,R2是1-6碳原子的烷基基团或5或6碳原子的环烷基基团,X1是氢原子,碳原子1-4的烷氧羰甲基基团,碳原子1-4的烷氧羰基团或四氢吡喃基团,X2是氢原子,碳原子1-4的烷氧羰甲基基团,碳原子1-4的烷氧羰基团或四氢吡喃基团,但当X1为氢原子时,X2不是氢原子,当X2为氢原子时,X1不是氢原子;m是0、1或2的整数,n是0、1、2或3的整数。