| 摘要 |
A silver halide light-sensitive material containing a compound selected from compounds represented by formula (I) or (II): <IMAGE> (I) L3SO2NHL4NHNHGR3 <IMAGE> (II) L3SO2NHL4NHNHGR3 wherein L1 represents -O-, -S-, -SO-, -SO2-, -N(R4)-, -CONR4-, -NR4CO-, -OCONR4-, -NR4CONR4-, -SO2NR4-, -NR4SO2- or -NR4SO2NR4-, each of which is bonded to the pyridine ring at the right hand side thereof; L2, L3, and L4 each represent a divalent aliphatic group or a divalent aromatic group; G represents -CO-, -SO2-, -SO-, -COCO-, a thiocarbonyl group, an iminomethylene group or -P(O)(G1R4)-; G1 represents a single bond, -O- or -NR4-; R1 represents an aliphatic group or an aromatic group; R2 represents a monovalent substituent; n1 represents 0 or an integer of from 1 to 4; R3 represents a hydrogen atom, an aliphatic group, an aromatic group, an alkoxy group, an aryloxy group or an amino group; R4 represents a hydrogen atom, an aliphatic group or an aromatic group; R5 represents a monovalent group; m represents 0 or an integer of from 1 to 4; n2 represents 0 or an integer of from 1 to 5; and X- represents a counter anion or a counter anion moiety in an intramolecular salt; two or more R2's, R4's or R5's, if any, may be the same or different. The light-sensitive material exhibits high processing stability even in rapid processing and provides a high contrast image even when developed with a developing solution at a low pH.
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