| abstract |
Copper complexes of azomethine dyestuffs of the formula WHEREIN A is R is alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, phenyl, benzyl, phenylethyl, styryl or phenylamino unsubstituted or substituted by chloro, bromo, alkyl of 1 to 4 carbon atoms, or alkoxy of 1 to 4 carbon atoms, X, Y, Z1 and Z2 is hydrogen, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, or nitro. The dyestuffs can be used especially for pigmenting high molecular organic material. |