Light-sensitive silver halide photographic material
AssigneeKonishiroku Photo Industry Co., Ltd.
InventorsToyoki Nishijima, Kaoru Onodera
Life of this patent
Estimating the term…
Abstract
There is disclosed a light-sensitive silver halide photographic material which comprises a magenta coupler represented by the formula (I), a compound represented by the formula (XI), and further at least one compound selected from the group consisting of the compounds represented by the formulae (XII), (XIII) and (XIV): ##STR1## wherein Z, X and R have the same meanings as defined in the specification, ##STR2## wherein R.sub.21 to R.sub.25, A and X have the same meanings as defined in the specification, ##STR3## wherein R.sub.26 to R.sub.45 and J have the same meanings as defined in the specification.
Claims15
A light-sensitive silver halide photographic material, which comprises a magenta coupler represented by formula (II) or (III) shown below;
- a compound represented by the formula (XI) shown below;
- and further at least one compound selected from the group consisting of the compounds represented by the formulae (XII), (XIII) and (XIV) shown below:
- ##STR26## wherein R.sub.21, R.sub.22, R.sub.23 and R.sub.24 each represent a hydrogen atom, a halogen atom, a hydroxy group, a cyano group, or an alkyl group, an aryl group, a cycloalkyl group or a heterocyclic group each of which are bonded to carbon atom directly or via a divalent linking group, and from R.sub.21 and R.sub.22, R.sub.22 and R.sub.23 ' or R.sub.23 and R.sub.24 may be formed a 6-membered ring by linking with each other;
- R.sub.25 represents a hydrogen atom, an alkyl group or an aryl group;
- A represents a hydrogen atom, an alkyl group, an aryl group or a hydroxy group;
- and M represents a metal atom. ##STR27## wherein R.sub.26 and R.sub.30 each represent a hydrogen atom, an alkyl group, an acyl group, a sulfonyl group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group or a trialkylsilyl group:
- J represents a group of non-metallic atoms necessary for forming a 5- or 6-membered ring with a carbon atom or an oxygen atom to be bonded and each of 5- or 6-membered ring may have a bis-spiro bond;
- R.sub.27, R.sub.28 and R.sub.29 each represent a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an alkenyl group, an alkenoxy group, an acylamino group, a diacylamino group, a halogen atom, an alkylthio group, an arylthio group, an alkoxycarbonyl group, an acyloxy group, an acyl group or a sulfonamide group;
- R.sub.31, R.sub.32 and R.sub.33 each represent a hydrogen atom, a hydroxyl group, an alkyl group, an alkenyl group, an alkoxy group, an aryl group, an aryloxy group, an acyloxy group, an alkoxycarbonyl group, an alkylthio group or an arylthio group, provided that the total carbon numbers of R.sub.31, R.sub.32 and R.sub.33 are 8 or more;
- R.sub.34, R.sub.35, R.sub.36 and R.sub.37 each represent a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, a heterocyclic group, a R.sub.48 --CO-- group, a R.sub.49 --SO.sub.2 -- group or a R.sub.50 --NHCO-- group where R.sub.48, R.sub.49 and R.sub.50 each represent an alkyl group, an alkenyl group, an aryl group or a heterocyclic group;
- R.sub.38, R.sub.39, R.sub.40 and R.sub.41 each represent a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an alkoxy group or an alkenoxy group;
- and R.sub.42, R.sub.43, R.sub.44, R.sub.45, R.sub.46 and R.sub.47 each represent a hydrogen atom, an alkyl group, an alkenyl group or an aryl group
- Compounds of formula (II) and (III) ##STR28## wherein X is hydrogen or a substituent eliminable through the reaction with an oxidized product of a color developing agent;
- R.sub.1 is a secondary or tertiary alkyl having the formula (IX):
- ##STR29## wherein R.sub.9, R.sub.10 and R.sub.11 are each alkyl groups or one of R.sub.9, R.sub.10 and R.sub.11 represents a hydrogen atom and the remainder are alkyl groups or are bonded together to form a cycloalkyl group and R.sub.2 and R.sub.3 are hydrogen or said secondary or tertiary alkyl having the formula (IX).
Dependencies are inferred from the claim text.