【発明の名称】陰イオン性フタロシアニン化合物

Japanese Patent JP3199777

B2

Anionic phthalocyanine compounds which, in the free acid form, have the Formula (1): Pc(SO3H)t(SO2-NR<1>-L-NR<2>-X-NR<3>-G)q (1> wherein: Pc is a metal-containing phthalocyanine nucleus; R<1>, R<2> and R<3> are each independently H, alkyl, substituted alkyl, alkenyl, substituted alkenyl, aralkyl or substituted aralkyl; L is a divalent organic linking group; each X independently is carbonyl or a group of formula (2), (3) or (4): each Z independently is NR<4>R<5>, SR<6> or OR<6>; each Y independently is H, Cl, Z, SR<7> or OR<7>; each E independently is Cl or CN; R<4>, R<5>, R<6> and R<7> are each independently H, alkyl, substituted alkyl, aryl, substituted aryl, aralkyl or substituted aralkyl or R<4> and R<5> together with the nitrogen atom to which they are attached form a 5 or 6 membered ring; G is a colourless organic radical substituted by one or two groups selected from COSH and COOH; and