Image recording members

Claim 1

A diarylaminofluoran dye precursor represented by the formula (I) ##STR77## wherein Ar and Ar' each are selected from the group consisting of a phenyl group, an alkyl-substituted phenyl group, an alkoxy-substituted phenyl group, a halogen-substituted phenyl group, a naphthyl group, an aralkyl-substituted naphthyl group, a halogen-substituted naphthyl group, and an alkoxy-substituted naphthyl group, or wherein Ar and Ar' are heterocyclic rings selected from the group consisting of a furyl group, a pyrrolyl group, a thienyl group, an indolyl group, a carbazolyl group, a phenoxazinyl group, a phenothiazinyl group, and a phenazinyl group, or wherein Ar and Ar' together form a heterocyclic ring selected from the group consisting of ##STR78## wherein R is an alkyl group, R 1 and R 2 each represent hydrogen, an alkyl group, a cycloalkyl group, an aralkyl group, an aryl group or a heterocyclic ring selected from the group consisting of a furyl group, a pyrrolyl group, a thienyl group, an indolyl group, a carbazolyl group, a phenoxazinyl group, a phenothiazinyl group, and a phenazinyl group, or R 1 and R 2 together form a heterocyclic ring selected from the group consisting of ##STR79## wherein R is an alkyl group, R 3 , R 4 and R 5 each represent an alkyl group, an alkoxy group, a halogen atom, a nitro group, an amino group, an alkylamino group, a dialkylamino group, or an acylamino group, x and y are each 0 or an integer of from 1 to 3, and z is 0 or an integer of from 1 to 4.