Color photographic light-sensitive material

Claim 2

A silver halide color photographic light-sensitive material which contains a 3-anilino-5-pyrazolone type of magenta coupler and at least one compound represented by the following formula (I): ##STR20## wherein R 1 and R 2 each represents a hydrogen atom, an alkyl group, a heterocyclic group, a trialkylsilyl group, an alkanesulfonyl group, an arylsulfonyl group, an aralkanesulfonyl group or a ##STR21## where Y represents an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an aralkyloxy group, an alkylamino group, a dialkylamino group, an arylamino group, a diarylamino group, an alkyloxycarbonyl group, an aryloxycarbonyl group, an aralkyloxycarbonyl group or an acyl group, and R 1 and R 2 may be the same or different but cannot be hydrogen atoms at the same time; and R 3 , R 4 and R 5 each represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an aralkoxy group, an alkenyl group, an alkenoxy group, an acylamino group, a halogen atom, an alkylthio group, an arylthio group, a diacylamino group, an acyl group, a sulfonamido group, an alkylamino group, an alkoxycarbonyl group or an acyloxy group and R 3 , R 4 and R 5 may be the same or different but cannot be hydrogen atoms at the same time.

Claim 3

The light-sensitive material of claim 1, wherein R 1 and R 2 each represents a hydrogen atom, a straight chain, a branched chain or a cyclic alkyl group containing 1 to 20 carbon atoms, a heterocyclic group, a trialkylsilyl group, a straight chain, a branched chain or a cyclic alkanesulfonyl group containing 1 to 20 carbon atoms, a substituted or unsubstituted arylsulfonyl group, an aralkanesulfonyl group or a ##STR22## group where Y represents a straight chain, a branched chain or a cyclic alkyl group containing 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, an aralkyl group, an alkoxy group whose alkyl moiety may be straight chain, branched chain or cyclic and contain 1 to 20 carbon atoms, a substituted or unsubstituted aryloxy group, an aralkyloxy group, an alkylamino group containing 1 to 20 carbon atoms, a dialkylamino group, a substituted or unsubstituted arylamino group, a diarylamino group, a straight chain, a branched chain or a cyclic alkyloxycarbonyl group containing 1 to 20 carbon atoms, a substituted or unsubstituted aryloxycarbonyl group, an aralkyloxycarbonyl group or an acyl group, and R 1 and R 2 may be the same or different but cannot be hydrogen atoms at the same time; and R 3 , R 4 and R 5 each represents a hydrogen atom, a straight chain, a branched chain or a cyclic alkyl group containing 1 to 20 carbon atoms, a straight chain, a branched chain or a cyclic alkoxy group containing 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, a substituted or unsubstituted aryloxy group, an aralkyl group, an aralkoxy group, an alkenyl group, an alkenoxy group, an acylamino group, a halogen atom, an alkylthio group whose alkyl moiety is straight chain, branched chain or cyclic and contains 1 to 20 carbon atoms, a substituted or unsubstituted arylthio group, a diacylamino group, a substituted or unsubstituted acyl group containing 1 to 20 carbon atoms, a sulfonamido group, an alkylamino group containing a straight or branched chain alkyl moiety having 1 to 20 carbon atoms, a straight or branched chain alkoxycarbonyl group containing 1 to 20 carbon atoms or an acyloxy group containing 1 to 20 carbon atoms, and R 3 , R 4 and R 5 may be the same or different but cannot be hydrogen atoms at the same time.

Claim 4

The light-sensitive material of claim 1, wherein said magenta coupler is represented by the formula (II): ##STR23## wherein X represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an N-substituted amino group, an amido group, a halogen atom, a hydroxy group, a cyano group, or a nitro group; Y' represents a substituted or unsubstituted aryl group or a 5- or 6-membered heterocyclic group; W represents a ballast group containing 4 to 35 carbon atoms; V represents a hydrogen atom or one of the groups defined for X or W; and Z represents a hydrogen atom or a group capable of being eliminated from the coupler upon coupling reaction with an oxidized aromatic primary amine color developing agent.

Claim 5

The light-sensitive material of claim 1, wherein said compound of the formula (I) is in a magenta coupler-containing layer.

Claim 6

The light-sensitive material of claim 1, wherein said compound of the formula (I) is present in said material in an amount of about 0.5 to 200 wt% based on the weight of the magenta coupler present.

Claim 7

The light-sensitive material of claim 1, wherein said compound of the formula (I) is used in combination with a conventional fading inhibitor.

Claim 8

The light-sensitive material of claim 1, wherein said 3-anilino-5-pyrazolone coupler is used in combination with a conventional pyrazolone, indazolone, or cyanoacetyl magenta coupler.

Claim 9

The light-sensitive material of claim 1, wherein said 3-anilino-5-pyrazolone magenta coupler is used in combination with another pyrazolone magenta coupler.