US 5,667,936 AGranted

Silver halide photographic material

AssigneeFuji Photo Film Co., Ltd.

InventorsKohzaburoh Yamada, Hiroshi Takeuchi, Takashi Hoshimiya, Toshiaki Kubo, Shigeo Hirano

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Abstract

A silver halide photographic material comprising at least one of hydrazide compounds represented by formula (1), (2) or (3): X.sub.1 --(R.sub.3).sub.m3 --(L.sub.2 --R.sub.2).sub.m2 --L.sub.1 --A.sub.1 --NHNH--CO--R.sub.1 (1) X.sub.21 --(R.sub.23).sub.m23 --(L.sub.22 --R.sub.22).sub.m22 --L.sub.21 --Ar--NHNH--CO--R.sub.21 (2) ##STR1## The substituents in formulae (1), (2) and (3) are defined in the specification.

Claims4

Dependent claims

A silver halide photographic material comprising at least one hydrazide compound represented by formula (1), (21) or (3):

X.sub.1 --(R.sub.3).sub.m3 --(L.sub.2 --R.sub.2).sub.m2 --L.sub.1 --A.sub.1 --NHNH--CO--R.sub.1 ( 1)
wherein R.sub.1 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
A.sub.1 represents a divalent aromatic group;
X.sub.1 represents a group accelerating adsorption to silver halide;
R.sub.2 and R.sub.3 each represents a divalent aliphatic or aromatic group;
L.sub.1 and L.sub.2 each represents a divalent linking group;
and
m.sub.2 and m.sub.3 each represents 0 or 1, ##STR59## wherein X.sub.121 represents an alkylthio group, an arylthio group, a heterocyclic thio group, a quaternary ammonium group, a nitrogen-containing heterocyclic group containing a quaternarized nitrogen atom, an alkoxy group containing an ethyleneoxy or propyleneoxy unit, or a saturated heterocyclic group containing a sulfide or disulfide linkage;
R.sub.121 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.221 and R.sub.321 each represents a divalent aliphatic or aromatic group;
L.sub.221 represents a divalent linking group;
m.sub.221 and m.sub.321 each represents 0 or 1;
Y.sub.121 represents a substituent;
and
n.sub.121 represents an integer of 0 to 4;
provided that the hydrazide compound represented by formula (21) is represented by the following formula (22) when X.sub.121 represents an alkylthio group, ##STR60## wherein R.sub.122 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.422 represents an alkylene group;
L.sub.322 represents a group linking to the benzene ring selected from the group consisting of an acylamino group, a carbamoyl group, a ureido group, an oxycarbonyl group and a sulfonamido group;
when L.sub.322 represents an acylamino group, oxycarbonyl group or sulfonamido group, m.sub.422 represents 1;
when L.sub.322 represents a carbamoyl group or a ureido group, m.sub.422 represents 1 or 2;
when m.sub.422 represents 1, R.sub.522 represents an unsubstituted alkyl group having 7 or more carbon atoms, a substituted alkyl group having 1 to 18 carbon atoms in total or a cycloalkyl group having 3 or more carbon atoms in total;
when m.sub.422 is 2, R.sub.522 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms in total or a cycloalkyl group having 3 or more carbon atoms in total;
##STR61## wherein R.sub.31 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.32 represents an aliphatic group, an aromatic group or a heterocyclic group, provided that a substituted phenyl group which may be represented by R.sub.32 does not contain an aralkylamino group as a substituent, and provided that R.sub.32 does not contain a group accelerating adsorption to silver halide, an alkylthio group, an arylthio group, a heterocyclic thio group, a quaternary ammonium group, a nitrogen-containing heterocyclic group containing a quaternarized nitrogen atom, an alkoxy group containing an ethyleneoxy or propyleneoxy unit, or a saturated heterocyclic group containing a sulfide or disulfide linkage;
X.sub.31 represents a substituent;
and
m.sub.31 represents an integer of 0 to 4.

24 more elements

Dependencies are inferred from the claim text.

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Abstract

A silver halide photographic material comprising at least one hydrazide compound represented by formula (1), (21) or (3):

X.sub.1 --(R.sub.3).sub.m3 --(L.sub.2 --R.sub.2).sub.m2 --L.sub.1 --A.sub.1 --NHNH--CO--R.sub.1 ( 1)
wherein R.sub.1 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
A.sub.1 represents a divalent aromatic group;
X.sub.1 represents a group accelerating adsorption to silver halide;
R.sub.2 and R.sub.3 each represents a divalent aliphatic or aromatic group;
L.sub.1 and L.sub.2 each represents a divalent linking group;
and
m.sub.2 and m.sub.3 each represents 0 or 1, ##STR59## wherein X.sub.121 represents an alkylthio group, an arylthio group, a heterocyclic thio group, a quaternary ammonium group, a nitrogen-containing heterocyclic group containing a quaternarized nitrogen atom, an alkoxy group containing an ethyleneoxy or propyleneoxy unit, or a saturated heterocyclic group containing a sulfide or disulfide linkage;
R.sub.121 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.221 and R.sub.321 each represents a divalent aliphatic or aromatic group;
L.sub.221 represents a divalent linking group;
m.sub.221 and m.sub.321 each represents 0 or 1;
Y.sub.121 represents a substituent;
and
n.sub.121 represents an integer of 0 to 4;
provided that the hydrazide compound represented by formula (21) is represented by the following formula (22) when X.sub.121 represents an alkylthio group, ##STR60## wherein R.sub.122 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.422 represents an alkylene group;
L.sub.322 represents a group linking to the benzene ring selected from the group consisting of an acylamino group, a carbamoyl group, a ureido group, an oxycarbonyl group and a sulfonamido group;
when L.sub.322 represents an acylamino group, oxycarbonyl group or sulfonamido group, m.sub.422 represents 1;
when L.sub.322 represents a carbamoyl group or a ureido group, m.sub.422 represents 1 or 2;
when m.sub.422 represents 1, R.sub.522 represents an unsubstituted alkyl group having 7 or more carbon atoms, a substituted alkyl group having 1 to 18 carbon atoms in total or a cycloalkyl group having 3 or more carbon atoms in total;
when m.sub.422 is 2, R.sub.522 represents a substituted or unsubstituted alkyl group having 1 to 18 carbon atoms in total or a cycloalkyl group having 3 or more carbon atoms in total;
##STR61## wherein R.sub.31 represents an unsubstituted difluoromethyl group or an unsubstituted monofluoromethyl group;
R.sub.32 represents an aliphatic group, an aromatic group or a heterocyclic group, provided that a substituted phenyl group which may be represented by R.sub.32 does not contain an aralkylamino group as a substituent, and provided that R.sub.32 does not contain a group accelerating adsorption to silver halide, an alkylthio group, an arylthio group, a heterocyclic thio group, a quaternary ammonium group, a nitrogen-containing heterocyclic group containing a quaternarized nitrogen atom, an alkoxy group containing an ethyleneoxy or propyleneoxy unit, or a saturated heterocyclic group containing a sulfide or disulfide linkage;
X.sub.31 represents a substituent;
and
m.sub.31 represents an integer of 0 to 4.

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