Novel mercaptobenzimidazole substituted benzotriazole UV absorber and process for preparation thereof
申请人:Parshuram Sunil Lonkar
公开号:US20070078266A1
公开(公告)日:2007-04-05
The present invention provides a novel mercaptobenzimidazole substituted benzotriazole UV absorber having the general formula I
wherein R
1
is selected from the group consisting of hydrogen, halogen, C
1
to C
12
alkyl, linear or branched alkoxy group, R
2
is selected from the group consisting of hydrogen, C
1
-C
8
alkyl, cyclopentyl, cyclohexyl and cumyl, R
3
is a hydrogen atom or a linear alkyl group, particularly a methyl group or an ethyl group and X is a hydrogen atom and a process for the preparation thereof.
本发明提供了一种新颖的巯基苯并咪唑取代苯并三唑紫外线吸收剂,其具有一般式I,其中R1选自氢、卤素、C1至C12烷基、直链或支链烷氧基组成的群,R2选自氢、C1-C8烷基、环戊基、环己基和环丙基组成的群,R3是氢原子或线性烷基基团,特别是甲基基团或乙基基团,X是氢原子,以及其制备方法。