Silver halide color photographic material
AssigneeFuji Photo Film Co., Ltd.
InventorsHideaki Naruse, Makoto Suzuki
Life of this patent
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Abstract
A silver halide color photographic material comprises a support having provided thereon at least one silver halide emulsion layer containing at least one pyrrolotriazole cyan coupler represented by the following Formula (I) or (II) and at least one phenol or 1-naphtol cyan coupler represented by the following Formulas (III), (IV), (V) and (VI): ##STR1## wherein Za and Zb each represents --C(R.sub.3).dbd. or --N.dbd.; R.sub.1 and R.sub.2 each independently represents an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more; R.sub.3 represents a hydrogen atom or a substituent; X represents a hydrogen atom or a splitting-off group; ##STR2##
Claims17
A silver halide color photographic material comprising a support having provided thereon at least one silver halide emulsion layer containing at least one pyrrolotriazole cyan coupler represented by the following Formula (I-a) or (II-a) and at least one coupler selected from the phenol or 1-naphthol cyan couplers represented by the following Formulas (III), (IV), (V) and (VI):
- ##STR78## wherein R.sub.1 and R.sub.2 each independently represents an electron attractive group having a Hammett's substituent constant .sigma..sub.p of 0.2 or more and the sum of the .sigma..sub.p values of R.sub.1 and R.sub.2 is 0.65 or more;
- R.sub.3 represents a hydrogen atom or a substituent;
- X represents a hydrogen atom or a group capable of splitting off upon a reaction with an oxidation product of an aromatic primary amine color developing agent;
- the group represented by R.sub.1, R.sub.2, R.sub.3 or X may be a divalent group and combine with a polymer which is higher than a dimer and which has a high molecular chain to form a homopolymer or a copolymer;
- ##STR79## in Formulas (III) and (IV), R.sub.11 represents an alkyl group, an aryl group or a heterocyclic group;
- R.sub.12 represents an alkyl group having two or more carbon atoms;
- R.sub.13 represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, a carbonamido group, or a ureido group;
- R.sub.14 represents an alkyl group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, or an amino group;
- X' represents a hydrogen atom or a group capable of splitting off upon a reaction with an oxidation product of an aromatic primary amine color developing agent;
- n represents 0 or 1;
- R.sub.12 and R.sub.13 in Formula (III) may be combined with each other to form a ring, and R.sub.13 and R.sub.14 in Formula (IV) may be combined with each other to form a ring;
- in Formulas (V) and (VI), Q represents a 1-naphthol coupler group which is bonded at the 2-position;
- R.sup.1 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an amino group, or an aryl group;
- R.sup.2 represents a substituent group;
- R.sup.3 and R.sup.4 each represents a hydrogen atom, an alkyl group, an aryl group, a halogen atom, an alkoxy group, or an aryloxy group;
- R.sup.5 or R.sup.6 each represents a hydrogen atom, an alkyl group, or an aryl group;
- and t represents an integer of 0 to 4 and m represents an integer of 0 to 4.
Dependencies are inferred from the claim text.