Dye-forming coupler and silver halide color photographic light-sensitive material

A yellow dye-forming coupler represented by formula (IB):

• wherein Q1 represents a group of nonmetallic atoms that form a 5- to 7-membered ring in combination with the —N═C—N((CH2)3O—R101)—;
• R101 represents an alkyl group having 4 to 8 carbon atoms;
• R2 represents a substituent;
• R42 represents a primary alkyl group;
• m represents an integer of 0 to 4;
• when m is 2 or more, the multiple R2's may be the same or different, and the R2's 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.

A silver halide color photographic light-sensitive material comprising at least one yellow dye-forming coupler represented by formula (I) in at least one layer provided on a support:

• wherein Q represents a group of nonmetallic atoms that form a 5- to 7-membered ring in combination with the —N═C—N(R1)—;
• R1 is —(CH2)3O—R101 in which R101 is an alkyl group having 4 to 8 carbon atoms and R2 represents a substituent;
• R4 represents an alkyl group;
• m represents an integer of 0 to 4;
• when m is 2 or more, the multiple R2's may be the same or different, and the R2's 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.

A silver halide color photographic light-sensitive material, comprising at least one yellow dye-forming coupler represented by formula (IB) in at least one layer provided on a support:

• wherein Q1 represents a group of nonmetallic atoms that form a 5- to 7-membered ring in combination with the —N═C—N((CH2)3O—R101)—;
• R101 represents an alkyl group having 4 to 8 carbon atoms;
• R2 represents a substituent;
• R42 represents a primary alkyl group;
• m represents an integer of 0 to 4;
• when m is 2 or more, the multiple R2's may be the same or different, and the R2's 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.