METHODS RESPECTIVELY FOR PRODUCING 2,4,6-TRIS (2-HYDROXY-3-METHYL-4-ALKOXYPHENYL)- 1,3,5- TRIAZINE COMPOUND AND 2,4,6-TRIS(2,4-DIHYDROXY-3-METHYLPHENYL)-1,3,5-TRIAZINE
申请人:KANEKA CORPORATION
公开号:US20180305325A1
公开(公告)日:2018-10-25
The present invention provides methods respectively for producing a 2,4,6-tris(2-hydroxy-3-methyl-4-alkoxyphenyl)-1,3,5-triazine compound and 2,4,6-tris(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine, both of which are improved in yield and quality. The methods according to the present invention are characterized in that a reaction of 2,4,6-tris(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine with an alkylating agent is carried out using a base in the presence of an alcohol or water, and are also characterized in that an ester compound is used as an additive in a reaction of cyanuric chloride with 2-methylresorcinol.
本发明提供了分别用于制备2,4,6-三(2-羟基-3-甲基-4-烷氧基苯基)-1,3,5-三嗪化合物和2,4,6-三(2,4-二羟基-3-甲基苯基)-1,3,5-三嗪的方法,两种方法在产量和质量方面均有所改进。本发明的方法特征在于,在醇或水的存在下,使用碱对2,4,6-三(2,4-二羟基-3-甲基苯基)-1,3,5-三嗪与烷基化试剂进行反应,并且在氰尿酸氯与2-甲基邻苯二酚反应中使用酯化合物作为添加剂。