Magenta dyestuff for sublimation transfer recording.

摘要

A magenta dyestuff for sublimation heat transfer recording is here disclosed which is represented by the formula (I) <CHEM> wherein R<1> is an alkyl group or alkoxy group, R<2> is an alkyl group, aryl group or halogenoalkyl group, R<3> is an alkyl group, aryl group, alkoxyalkyl group, cyanoalkyl group, alkylcarboxyalkyl group or halogenoalkyl group, X is a hydrogen atom or alkoxy group, and Y is a hydrogen atom, alkoxy group, alkylcarbonylamino group or alkylsulfonylamino group, and this dyestuff is excellent in solubility, ribbon shelf stability, dye-fixing properties, durability and light resistance.