Oxalylamino substituted indoaniline dyes

A dye for use in thermal dye sublimination transfer, said dye characterized by having the following formula (I):

• ##STR28## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represents hydrogen, halogen, nitro, CN, an alkyl group, a substituted alkyl group, a cycloalkyl group, a substituted cycloalkyl group, an aryl group, a substituted aryl group, an allyl group, a substituted allyl group, an alkoxy group, a substituted alkoxy group, an aryloxy group, a substituted aryloxy group, an alkylthio group, a substituted alkylthio group, an arylthio group, a substituted arylthio group, an acylamino group, a substituted acylamino group, an amino group, a substituted amino group, a carbonalkoxy group, a substituted carbonalkoxy group, a sulfonylamino group, a substituted sulfonylamino group, a carbonamido group, a substituted carbonamido group, or R.sup.2 and R.sup.3 together with the atoms to which they are attached represent a ring;
• R.sup.4 represents OR.sup.5, SR.sup.5, NR.sup.5 R.sup.6, or a heterocyclic ring;
• R.sup.5 and R.sup.6 each independently represents hydrogen, an alkyl group, an allyl group, an aryl, a cycloalkyl group, an alkenyl group, a heterocyclic ring, or R.sup.5 and R.sup.6 together with the atoms to which they are attached represent a heterocyclic ring;
• R.sup.7 and R.sup.8 each independently represents hydrogen, an alkyl group, an aryl group, a heterocyclic group, or R.sup.7 and R.sup.8 together with the atoms to which they are attached represent a heterocyclic ring, or R.sup.7 or R.sup.8 together with R.sup.9 or R.sup.12 together with the atoms to which they are attached represent a ring;
• R.sup.9, R.sup.10, R.sup.11 and R.sup.12 each independently represents hydrogen, hydroxy, halogen, an alkyl group, a cycloalkyl group, an aryl group, an amino group, an alkyloxy group, an aryloxy group, a carbamoyl group, a sulfamoyl group, NH --SO.sub.2 R.sup.13, NH--COR.sup.13, O--SO.sub.2 R.sup.13, O--COR.sup.13, or R.sup.9 and R.sup.10 or R.sup.11 and R.sup.12 together with the atoms to which they are attached represent a ring;
• R.sup.13 represents an alkyl group, a cycloalkyl group, an alkenyl group, an aralkyl group, an aryl group, an alkyloxy group, an aryloxy group, an alkylthio group, an amino group or a heterocyclic group.