Silver halide photographic materials

A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion hydrophilic colloid layer and containing at least one redox compound capable of releasing a development inhibitor by oxidation with the oxidation product of a developer, represented by the following formula (II):

• ##STR32## wherein A.sub.1 and A.sub.2 are both hydrogen atoms or one of them is a hydrogen atom and the other represents a sulfinic acid group or ##STR33## where R.sub.0 represents an alkyl group, an alkenyl group, an aryl group, an alkoxy group or an aryloxy group and l represents 1 or 2;
• Time represents a divalent linking group which contains a hetero atom through which the divalent linking group is bonded to the V group;
• t represents 0 or 1;
• PUG represents a development inhibitor group;
• V represents a carbonyl group, ##STR34## a sulfonyl group, a sulfoxyl group, an iminomethylene group, a thiocarbonyl group or ##STR35## where R.sub.1 means an alkoxy group or an aryloxy group;
• and R represents an aliphatic group, an aromatic group or a heterocylic group;
• and at least one compound of the following general formula (I') in the photographic emulsion layer or in another hydrophilic colloid layer:
• ##STR36## wherein R.sup.10 represents an alkyl group, an aralkyl group, an alkoxy group, an arylamino group, an amino group, an acylamino group, a sulfonylamino group, a ureido group, a urethane group, an aryloxy group, a sulfamoyl group, a carbamoyl group, an aryl group, an alkylthio group, an arylthio group, a sulfonyl group, a sulfinyl group, a hydroxy group, a halogen atom, a cyano group, a sulfo group, a phosphoric acid amido group and a carboxyl group or X-(L).sub.l --;
• k represents 0, 1 or 2, and when k is 2, the two (R.sup.10)'s may be the same or different;
• R.sup.11 has the same meaning as R.sup.3 below or represents --(L).sub.l --X;
• L represents a divalent linking group, X represents a group selected from a cyclic thioamido-containing group, a mercapto-containing group, a disulfido bond-containing group and a 5-membered or 6-membered nitrogen-containing heterocylic group and l represents an integer of 0 or 1;
• Y.sup.1 represents --CONH--, ##STR37## Y.sup.2 represents --O, --NH-- or ##STR38## and wherein
• R.sup.1 and R.sup.2 are both hydrogen atoms, or one of them is a hydrogen atom and the other represents a sulfonyl group or an acyl group;
• R.sup.3 represents a group selected from an aliphatic group, an aromatic group and a heterocyclic group;
• R.sup.4 represents a group selected from a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, an oxycarbonyl group and a carbamoyl group;
• at least one of R.sup.3 and R.sup.4 is substituted at the position of a hydrogen atom contained therein by a group which has a function of accelerating adsorption of the compound of formula (I') to silver halide grains and which is represented by X--(L)l-- where X represents a group selected from a cyclic thioamido-containing group, a mercapto-containing group, a disulfido bond-containing group and a 5-membered or 6-membered nitrogen-containing heterocylic group;
• L represents a divalent linking group, and l represents an integer of 0 or 1;
• and
• G represents a divalent group selected from a carbonyl group, a sulfonyl group, a sulfinyl group, an imino-methylene group and ##STR39## wherein R.sup.4 is as defined above, provided that at least one of R.sup.10 and R.sup.11 is X--(L)l-- when R.sup.4 does not contain a group having a function of accelerating adsorption to silver halide grains.