Patent ID: 7196194

Claim:
A compound represented by formula (I): wherein Q represents a group represented by —C(—R 11 )═C(R 12 )—SO 2 —; wherein R 11 and R 12 bond with each other to form, together with the —C══C— moiety, a 5- to 7-membered ring, or R 11 and R 12 each independently represents a hydrogen atom or a substituent; R1 represents a substituent; R3 represents a substituent; R4 represents a substituent; m represents an integer of 0 to 4; wherein when m is 2 or more, R4s may be the same or different, or R4s may bond with each other to form a ring; and X represents a hydrogen atom, or a group capable of being split-off upon a coupling reaction with an oxidized product of a developing agent; with the proviso that the following compound (I-A) is excluded from the dye-forming coupler represented by formula (I):