| 摘要 |
PROBLEM TO BE SOLVED: To provide a silver halide photographic sensitive material which suppresses a fogging due to enhanced sensitivity while enhancing photographic sensitivity and is less liable to increase the fogging even when stored at a high temperature and a high humidity and under such severe conditions that it is exposed to harmful gas produced in combustion, such as automobile exhaust gas. SOLUTION: A silver halide emulsion containing one or more of the compounds of formulae (1)-(3) is provided. In the formula (1), Z1 is an atomic group capable of forming a 6-membered ring together with N and two C atoms of the benzene ring; R1 , R2 and RN1 are each H or a substituent; X1 is a substituent; m1 is an integer of 0-3; and L1 is a releasable group. In the formula (2), ED11 is an electron donative group; R11 , R12 , RN11 , R13 and R14 are each H or a substituent; X11 is a substituent; m11 is an integer of 0-3; L11 is a releasable group; and RN11 , R13 , R14 , X11 and ED11 may bond to each other to form a cyclic structure. In the formula (3), R22 , R23 , R21 , RN21 , Ra and Rb are each H or a substituent and L21 is a releasable group, but when RN21 is a group other then aryl, Ra and Rb bond to each other to form an aromatic ring.
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