Heat developable element with stabilizer

Abstract

A method of forming an image comprising heating a light-sensitive material having at least a light-sensitive silver halide, a binder and a dye releasing redoc compound which is capable of reducing the light-sensitive silver halide and is capable of reacting with the light-sensitive silver halide by heating to release a hydrophilic dye on a support, under the condition substantially free from water after or simultaneously with imagewise exposure, in the presence of a compound represented by the general formula (A) described below to form imagewise a mobile dye. ##STR1## wherein R represents an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group; R.sup.1 represents an alkyl group, a cycloalkyl group, an aryl group or an aralkyl group; R.sup.2 represents an alkyl group, an aryl group, an aralkyl group, a halogen atom or a group of R.sup.1 NH; Z represents an atomic group necessary to form a carbon ring condensed to the benzene ring; n represents 0, 1 or 2; m represents 0 or an integer from 1 to 7 and m+n is not more than 7; l represents 0 or 1; and each of R.sup.1 and R.sup.2 may be the same or different when m or n represents 2 or more, respectively. In accordance with the method of the present invention, a clear color image having a high density can be obtained by a simple procedure and the light-sensitive material has an improved stability during preservation before heat-development procedure and the occurrence of fog and the change in the maximum density are restrained. A light-sensitive material comprising a support having thereon at least a light sensitive silver halide, a binder, a dye releasing redox compound which is capable of reducing the light sensitive silver halide and is capable of reacting with the light-sensitive silver halide by heating to release a hydrophilic dye and a compound represented by the general formula (A) above is also disclosed.