Naphtholactam dyestuffs

Details Naphtholactam dyestuffs Naphtholactam dyestuffs

C - Chemistry, Metallurgy

09

B

260/253, 260/300

C09B 57/00 (2006.01) C09B 57/06 (2006.01) D06P 1/90 (2006.01)

Patent

CA 1085839

Abstract of the Disclosure A naphtholactam dyestuff of the general formula (I) Image (I) , in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, X represents -COOH, -CC0? cation?, a modified carboxyl group, the radical -SO2-T or a heterocyclic radical, T denoting alkyl, alkenyl or, preferably, aryl, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or -CN and B and C can carry further non ionic substituents. The new dyestuffs give brillant yellow and red shades on polyester and polyamide fibres.

279477

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