Color photographic silver halide light-sensitive material consisting of a specified hydroquinone derivative

Claim 2

A color photographic silver halide light-sensitive material characterized by containing at least one compound selected from the group consisting of a hydroquinone compound represented by the general formula (I) and precursors thereof. ##STR21## wherein R represents ##STR22## (wherein R 1 and R 2 are each a hydrogen atom or an alkyl group and may combine with R 3 to form a ring having 5 to 10 carbon atoms, provided that R 1 and R 2 are not hydrogen atoms at the same time, and R 3 is a substituted or unsubstituted aryl group, and n is an integer of 1 to 4), and R' has 1 to 20 carbon atoms and represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or R.

Claim 3

A light-sensitive material as claimed in claim 1, wherein the hydroquinone compound is a compound represented by the general formula (II) or its precursor ##STR23## R', R 1 and R 2 are as defined in claim 1, R 4 is a hydrogen atom, or an alkyl group, an aryl group, an alkyloxy group, an aryloxy group, a carbamoyl group, an acylamino group, an acyl group, a carbonyloxy group, a sulfamoyl group, a sulfonyl group, a sulfonylamino group, an alkoxycarbonyl group, the groups having up to 8 carbon atoms, a hydroxyl group, a halogen atom, or a cyano group, m is an integer of 1 to 4, and when m is not less than 2, R 4 is the same or different, and n is an integer of 1 to 4.

Claim 4

A light-sensitive material as claimed in claim 1, further comprising a magenta coupler compound represented by the general formulas (V), (VI), (VII) and (VIII) in a silver halide emulsion of the material; ##STR24## wherein R 10 is an anilino group, an acylamino group, or a ureido group, X 1 , X 2 and X 3 are each a hydrogen atom, an alkyl group, a halogen atom, an alkoxy group, an aryloxy group, an acylamino group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, or a cyano group, and may be the same or different, and R 11 is a hydrogen atom or a group capable of being released through a coupling reaction with an oxidized aromatic primary amino color developing agent; ##STR25## wherein R 12 and R 13 are each a hydrogen atom, an alkyl group, an alkylthio group, an aryl group, a heterocyclic ring composed of 5 or 6 atoms, an amino group, an acylamino group, a hydroxyl group, an alkoxyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfamoyl group, or a sulfonamide group, and R 11 is as defined in the general formula (V); ##STR26## wherein R 14 , R 15 and R 16 are each a hydrogen atom, an alkyl group, an aryl group, a heterocyclic group, a cyano group, an alkoxyl group, an aryloxy group, an acylamino group, an anilino group, a ureido group, a sulfamoylamino group, an alkylthio group, an arylthio group, an alkoxycarbonylamino group, a sulfonamide group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, or an alkoxycarbonyl group, R 11 is as defined in the general formula (VI), and R 15 and R 16 may combine together to form a 5-, 6- or 7-membered ring except for an aromatic ring and may be halogen atoms, ##STR27## wherein R 10 and R 11 are as defined in the general formula (v), and R 17 is a hydrogen atom, or a straight or branched alkyl group, an alkenyl group, a cyclo alkyl group, an aralkyl group, a cyclic alkenyl group, an aryl group, or a heterocyclic group.

Claim 5

A light-sensitive material as claimed in claim 3, wherein the magenta coupler is represented by the general formula (V).

Claim 6

A color photographic silver halide light-sensitive material, comprising: a support base having provided thereon; a silver halide emulsion layer containing therein; a magenta coupler represented by the general formula (V): ##STR28## wherein R 10 is an anilino group, an acylamino group or a ureido group, X 1 , X 2 and X 3 are each a hydrogen atom, an alkyl group, a halogen atom, an alkoxyl group, an aryloxy group, an acylamino group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, or a cyano group, and may be the same or different, and R 11 is a hydrogen atom or a group capable of being released through a coupling reaction with an oxidized aromatic primary amino color developing agent; and a hydroquinone compound represented by the general formula (I) and precursors thereof: ##STR29## wherein R represents ##STR30## (wherein R 1 and R 2 are each a hydrogen atom or an alkyl group and may combine with R 3 to form a ring having 5 to 10 carbon atoms, provided that R 1 and R 2 are not hydrogen atoms at the same time, and R 3 is a substituted or unsubstituted aryl group, and n is an integer of 1 to 4), and R' has 1 to 20 carbon atoms and represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or R.

Claim 7

A color photographic silver halide light-sensitive material, comprising: a support base having provided thereon; a silver halide emulsion layer containing therein; a magenta coupler represented by the general formula (V): ##STR28## wherein R 10 is an anilino group, an acylamino group or a ureido group, X 1 , X 2 and X 3 are each a hydrogen atom, an alkyl group, a halogen atom, an alkoxyl group, an aryloxy group, an acylamino group, a carbamoyl group, a sulfamoyl group, a sulfonyl group, or a cyano group, and may be the same or different, and R 11 is a hydrogen atom or a group capable of being released through a coupling reaction with an oxidized aromatic primary amino color developing agent; and a hydroquinone compound represented by the general formula (I) and precursors thereof: ##STR29## wherein R represents ##STR30## (wherein R 1 and R 2 are each a hydrogen atom or an alkyl group and may combine with R 3 to form a ring having 5 to 10 carbon atoms, provided that R 1 and R 2 are not hydrogen atoms at the same time, and R 3 is a substituted or unsubstituted aryl group, and n is an integer of 1 to 4), and R' has 1 to 20 carbon atoms and represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aryl group, or R.

Claim 8

A light-sensitive material as claimed in claim 3, wherein said coupler is contained in the emulsion layer in an amount of 2×10 -3 to 5×10 -1 mole per mole of silver halide.

Claim 9

A light-sensitive material as claimed in claim 6, wherein said coupler is contained in an amount of 1×10 -2 to 5×10 -1 mole per mole of silver halide.

Claim 10

A light-sensitive material as claimed in claim 3, wherein said compound selected from the group consisting of a hydroquinone compound represented by general formula (I) and precursors thereof is contained in an amount of 0.5 to 200 wt.% based on the weight of the coupler.

Claim 11

A light-sensitive material as claimed in claim 8, wherein said compound is contained in an amount of 2 to 150 wt.% based on the weight of the coupler.

Claim 12

A light-sensitive material as claimed in claim 1, wherein said compound is added in an amount of 1×10 -5 to 1 mole per mole of silver halide.

Claim 13

A light-sensitive material as claimed in claim 10, wherein said compound is added in an amount of 1×10 -3 to 5×10 -1 mole per mole of silver halide.

Claim 14

A light-sensitive material as claimed in claim 1, wherein the hydroquinone compound is a compound represented by the general formula (III) or its precursor: ##STR31## wherein R represents ##STR32## R' is as defined in claim 1, R 4 is a hydrogen atom, or an alkyl group, an aryl group, an alkyloxy group, an aryloxy group, a carbamoyl group, an acylamino group, an acyl group, a carbonyloxy group, a sulfamoyl group, a sulfonyl group, a sulfonylamino group, an alkoxycarbonyl group, the groups having up to 8 carbon atoms, a hydroxyl group, a halogen atom, or a cyano group, m is an integer of 1 to 4, and when m is not less than 2, R 4 is the same or different, R 1 and R 2 are each an alkyl group or a group capable of forming a ring by a combination with the group ##STR33## and n is an integer of 1 to 4.

Claim 15

A light-sensitive material as claimed in claim 1, wherein the hydroquinone compound is an compound represented by the general formula (IV) or its precursor: ##STR34## wherein R 1 and R 2 are each an alkyl group or a group capable of forming a ring by a combination with the group ##STR35## R 4 is a hydrogen atom, or an alkyl group, an aryl group, an alkyloxy group, an aryloxy group, a carbamoyl group, an acylamino group, an acyl group, a carbonyloxy group, a sulfamoyl group, a sulfonyl group, a sulfonylamino group, an alkoxycarbonyl group, the groups having up to 8 carbon atoms, a hydroxyl group, a halogen atom, or a cyano group, m is an integer of 1 to 4, and when m is not less than 2, R 4 is the same or different, and n is 2 or 3.

Claim 16

A light-sensitive material as claimed in claim 4, wherein the hydroquinone compound is a compound represented by the general formula (IV) or its precursor: ##STR36## wherein R 1 and R 2 are each an alkyl group or a group capable of forming a ring by a combination with the group ##STR37## R 4 is a hydrogen atom, or an alkyl group, an aryl group, an alkyloxy group, an aryloxy group, a carbamoyl group, an acylamino group, a acyl group, a carbonyloxy group, a sulfamoyl group, a sulfonyl group group, a sulfonylamino group, an alkoxycarbonyl group, the groups having up to 8 carbon atoms, a hydroxyl group, a halogen atom, or a cyano group, m is an integer of 1 to 4, and when m is not less than 2, R 4 is the same or different, and n is 2 or 3.