Color photographic light-sensitive material

Claim 2

A color photographic light-sensitive material comprising a support having thereon a silver halide emulsion layer containing 2,5-bis(1',1'-dimethylbutyl)hydroquinone or a precursor thereof and a 3-anilino-5-pyrazolone type magenta coupler represented by the following general formula (II): ##STR14## wherein IR represents RCONH--, RNHCO--, ROCO--, RNHSO 2 --, RSO 2 NH-- ##STR15## wherein R represents a hydrogen atom, an alkyl group, an alkenyl group or an aralkyl group, which groups can be substituted or unsubstituted.

Claim 3

The color photographic light-sensitive material of claim 1, wherein the R group substituent is one or more of a halogen atom, a nitro group, a cyano group, an aryl group, an alkoxy, an aryloxy group, a carboxy group, an alkylcarbonyl group, an arylcarbonyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a formyl group, a sulfo group, an acyloxy group, a sulfamoyl group, a carbamoyl group, an acylamino group, a diacylamino group, a ureido group, a thioureido group, a urethane group, a thiourethane group, a sulfonamido group, a heterocyclic group, an arylsulfonyloxy group, an alkylsulfonyloxy group, an arylsulfonyl group, an alkylsulfonyl group, an arylthio group, an alkylthio group, an alkylsulfinyl group, an arylsulfinyl group, an alkylamino group, a dialkylamino group, an anilino group, an N-alkylanilino group, an N-arylanilino group, an N-acylanilino group, a hydroxy group and a mercapto group.

Claim 4

The color photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer further contains a phenolic compound having an ether bond at the 4-position.

Claim 5

The color photographic light-sensitive material of claim 3, wherein said phenolic compound is an alkoxyphenol, an aryloxyphenol, a hydroxycoumaran, a hydroxychroman or a dihydroxyspirochroman.

Claim 6

The color photographic light-sensitive material of claim 3, wherein said phenolic compound is a compound represented by the following general formula (IIIa), (IIIb) or (IIIc): ##STR16## wherein R 1 represents an alkyl group, a substituted alkyl group, an aryl group or an aralkyl group; R 2 , R 3 and R 4 , which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkoxy group, a thioalkyl group, an aryl group, an aryloxy group, an aralkyl group, an aralkoxy group, an alkenyl group, an alkenoxy group, an acylamino or a halogen atom; and A represents the non-metallic atoms necessary to complete a 5-membered or 6-membered ring containing a ##STR17## grouping and the ring can be substituted with 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 N-substituted amino group or a heterocyclic group, which may be substituted with a residue forming a condensed ring; and wherein the alkyl group and the aryl group as described above for R 1 and R 4 can be substituted with one or more of a halogen atom, a hydroxyl group, a carboxyl group, an alkoxycarbonyl group, an acyloxy group, a sulfo group, a sulfonyloxy group, an amido group, an alkoxy group or an aryloxy group.

Claim 7

The color photographic light-sensitive material of claim 5, wherein said phenolic compound is a 5-hydroxycoumaran or a 6-hydroxychroman having the general formula (IIIb) wherein one of R 2 and R 3 is a hydrogen atom or a 6,6'-dihydroxy-bis-2,2'-spirochroman having the general formula (IIIc).

Claim 8

The color photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer further contains a bisphenol derivative represented by the following general formula (IV): ##STR18## wherein R 5 , R 6 , R 7 and R 8 each represents an alkyl group having 1 to 18 carbon atoms and the total number of carbon atoms in R 5 , R 6 , R 7 and R 8 is 32 or less, and X represents a single bond, an oxygen atom, a sulfur atom, a sulphonyl group or ##STR19## wherein R 9 represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms and n represents an integer of 1 to 3.

Claim 9

The color photographic light-sensitive material of claim 1, wherein said hydroquinone is present in an amount of about 0.5 to about 200% by weight based on the weight of said magenta coupler of the general formula (II).

Claim 10

The color photographic light-sensitive material of claim 8, wherein said hydroquinone is present in an amount of 2 to 150% by weight based on the weight of said magenta coupler of the general formula (II).

Claim 11

The color photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer is a green-sensitive silver halide emulsion layer.

Claim 12

The color photographic light-sensitive material of claim 10, further including a blue-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on said support.

Claim 13

The color photographic light-sensitive material of claim 1, wherein said magenta coupler of the formula (II) is present in an amount of 2×10 -3 to about 2 mol per mol of silver in the emulsion layer.