摘要:
A silver halide photographic material having on a support, at least one photosensitive silver halide emulsion layer, which contains a coupler which releases at least two groups selected from the group consisting of a photographically useful group and a precursor thereof via a timing group upon undergoing a coupling reaction with an oxidized product of a developing agent, in which a plurality of photographically useful groups or precursors thereof are present on different atoms of the timing group, provided that when the plurality of photographically useful groups have a different function to each other, the timing group is not a group utilizing an intramolecular nucleophilic substitution reaction.
摘要:
A silver halide color photographic material comprising on a support at least a silver halide emulsion layer, comprising a compound represented by general formula (I): as described in the specification.
摘要:
A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and at least one colored coupler capable of releasing a water-soluble compound comprising a 6-hydroxy-2-pyridone-5-azo group by a coupling reaction with an oxidized aromatic primary amine developing agent. The colored coupler provides correction of undesired side-absorption of a dye image in a color negative photographic material.
摘要:
A compound represented by the following general formula (I) is added to at least one layer of a silver halide photographic photosensitive material, thereby improving sharpness and graininess or decreasing a variation in photographic performance during storage after photography and before development: General Formula (I)
where A represents a coupler moiety, each of R¹ and R² independently represents a hydrogen atom or a substituent, each of R³ and R⁴ independently represents a hydrogen atom or an alkyl group, INH represents a group having a development inhibiting function, and R⁵ represents a nonsubstituted phenyl group, a nonsubstituted primary alkyl group, or a primary alkyl group substituted with a group other than an aryl group, at least one of R¹ to R⁴ being a substituent other than a hydrogen atom, and an -OC(=O)- group combining with one of two nitrogen atoms forming a pyrazole ring.
摘要:
A silver halide color photographic material having at least one silver halide emulsion layer on a support,. wherein said emulsion layer contains a development inhibitor-releasing coupler represented by following formula (I); wherein R, represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, a hydroxy group, a nitro group, a carboxy group, an amino group, an alkoxy group, an aryloxy group, an acylamino group, an alkylamino group, an anilino group, a ureido group, a sulfamoylamino group, an alkylthio group, an arylthio group, an alkoxycarbonylamino group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, an alkoxycarbonyl group, a heterocyclic oxy group, an azo group, an acyloxy group, a carbamoyloxy group, a silyloxy group, an aryloxycarbonylamino group, an imido group, a heterocyclic thio group, a sulfonyl group, a phosphinyl group, an aryloxycarbonyl group, an aryl group, or an azolyl and when R 1 is a divalent group, the coupler may form a bispcompound at the divalent group; Z, and Z 2 each represents a nitrogen atom or = C-R 2 (wherein R 2 has the same meaning as Ri) and when Z 1 and Z 2 are both two R 2 s may be the same or different; X represents
or (wherein * represents a group bonding to the left side of X; ** represents a group bonding to the right side of X; R 31 and R 32 have the same meaning as Ri; and R 33 represents an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, a carbamoyl group, a sulfonyl group, or a sulfamoyl group); L represents a group of cleaving the bond of the right side [ the bond to (B) m] after cleaving the left side of L; B represents a group of cleaving the bond at the right side of B by reacting with the oxidation product of a color developing agent; DI represents a development inhibitor; m and n each represents 0 or 1 with the exclusion that m and n are simultaneously 0; and p represents 1 or 2 and when p is 2, two [(L) m- (B) n] s maybe the same or different.
摘要:
A novel silver halide color photographic material is provided comprising on a support at least one silver halide emulsion layer, wherein the material contains a compound represented by general formula (I): wherein A represents a coupler residue excepting 1 H-pyrazolo[1,5-b]-1,2,4-triazole and 1 H-pyrazolo[5,1-c]-1,2,4-triazole; L, represents in which W represents an oxygen atom, a sulfur atom or a tertiary amino group, and R 11 and R 12 each independently represents a hydrogen atom or a substituent; L 2 represents a group which undergoes electron migration along a conjugated system to release INH-(CH 2 ) n- Q; INH represents a development inhibitor residue bonded to L 2 via a hetero atom; n represents an integer of 0 to 3; and Q represents a group having a molecular weight of 80 to 250.
摘要:
A silver halide color photographic material comprising a support having thereon at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler and at least one blue-sensitive silver halide emulsion layer containing a yellow coupler, wherein said photographic material contains at least one compound represented by the following general formula (I) and at least one yellow colored cyan coupler: wherein A represents a group which is cleaved from (L 1 ) v -B-(L 2 )w-DI by a reaction of the compound of formula (I) with an oxidation product of a developing agent; L 1 represents a bonding group which is cleaved from B after the cleavage of the bond between L 1 and A; B represents a group which reacts with an oxidation product of a developing agent to release (L 2 ) w -DI; L 2 is a group which is cleaved from DI after the cleavage of the bond between B and L 2 ; DI represents a development inhibitor; v and w each represents an integer of 0 to 2; and when v or w is 2, the two L 1 groups or the two L 2 groups may be the same or different groups.