NITROGEN-SUBSTITUTED WATER-DISPERSIBLE PHTHALOCYANINE DYES

摘要

A phthalocyanine dye of formula (I) is provided: wherein: M is a metal group or is absent; n is 1 or 2; X is selected from -CHR3-, -NR3-, -O- or -S-; R1, R2 and R3 are independently selected from hydrogen, C1-8 alkyl, C1-8 alkoxy, carboxy, carboxy-C1-8 alkyl, hydroxyl, hydroxy-C1-8 alkyl; or R1 and R2, or R2 and R3 together are joined to form a C4-12 aryl or C3-12 heteroaryl group, optionally substituted with 1, 2, 3 or 4 substituent groups, the or each substituent group being independently selected from C1-12 alkyl, C1-12 alkoxy, phenyl-C1-8 alkyl, phenyl-C1-8 alkoxy, -(OCH2CH2)dORd, cyano, halogen, amino, hydroxyl, thiol, -SRv, -NRuRv, nitro, phenyl, phenoxy, -CO2Rv, -C(O)Rv, -OCORv, -SO2Rv, OSO2Rv, -NHC(O)Rv, -CONRuRv, -CONRuRv, sulfonic acid, sulfonic acid salt and sulfonamide; d is an integer from 2 to 5000; Rd is H, C1-8 alkyl or C(O)C1-8 alkyl and Ru and Rv are independently selected from hydrogen, C1-12 alkyl, phenyl or phenyl-C1-8 alkyl.