申请人:Asiri Abdullah Mohamed
公开号:US20100081823A1
公开(公告)日:2010-04-01
The azo dyes relate to thiophene azo dyes of the general formula:
where R1 is Cyano or C1-C5 alkoxy carbonyl; R2 is hydrogen, halogene, C1-C2 alkyl, phenyl, or substituted phenyl; and R3 is C1-C5 alkoxy carbonyl, C1-C4 alkanoyl, benzoyl, phenyl, alkyl substituted phenyl, or alkoxy phenyl; or R2 and R3 are fused cycloalkane with C3-C5.
偶氮染料涉及一般式为的噻吩偶氮染料:其中R1为氰基或C1-C5烷氧羰基;R2为氢、卤素、C1-C2烷基、苯基或取代苯基;R3为C1-C5烷氧羰基、C1-C4烷酰基、苯甲酰基、苯基、烷基取代苯基或烷氧基苯基;或者R2和R3为融合的C3-C5环烷烃。