申请人:Wang Yuan Zhi
公开号:US20060199951A1
公开(公告)日:2006-09-07
The invention disclosed relates to functionalized zwitterionic chromophores of structural formula III and III′.
Wherein A is a linear or branched alkyl group having up to 20 carbon atoms and the desired functional groups, B is hydrogen, alkyl, aryl, halo, heterocyclic, alkoxy or nitro groups at 2, 3, 5 or 6 positions on the pyridine ring, C is hydrogen, aryl or a linear or branched alkyl group at 2′, 3′, 5′ or 6′ positions on the benzene ring, which has up to 70 carbon atoms and contains the desired functional group, D is a linear or branched alkyl, aryl or substituted aryl group, which has up to 70 carbon atoms and contains the desired functional group, R is C1-C4 alkyl or aryl, and m is an integer of from 0 to 4.
本发明涉及结构式III和III'的功能化带电离子色团。其中A是具有最多20个碳原子和所需的功能基团的线性或支链烷基,B是在吡啶环上2、3、5或6位的氢、烷基、芳基、卤素、杂环、烷氧基或硝基基团,C是在苯环上2'、3'、5'或6'位的氢、芳基或线性或支链烷基,其含有最多70个碳原子和所需的功能基团,D是具有最多70个碳原子和所需的功能基团的线性或支链烷基、芳基或取代芳基,R是C1-C4烷基或芳基,m是0到4的整数。