Abstract: A silver halide photo-sensitive material having at least one silver halide emulsion layer on a support, characterized by that said silver halide emulsion layer contains at least one magenta-forming coupler of 1H-pyrazolo[ 3,2-c]-s-triazole type which is substituted by a tertiary alkyl group at the 3-position and, by another releasable group than a hydrogen atom at the 7-position.

Abstract: A silver halide color photographic material having at least one silver halide emulsion layer on a support is disclosed. Said silver halide emulsion layer contains at least one of the 1H-pyrazolo [3,2-c]-S-triazole derived magenta couplers that have a substituent of the following formula at 3-position:--R.sub.1 --S(O).sub.n --R.sub.2whereinR.sub.1 is an alkylene group;R.sub.2 is an alkyl, cycloalkyl or aryl group; andn is 1 or 2.

Abstract: This invention relates to a silver halide photographic light-sensitive material in which at least one of the silver halide emulsion layers thereof contains an 1H-pyrazolo[3,2-C]-s-triazole magenta coupler substituted in the third position by a group represented by the following Formula [I];--R.sub.1 --SO.sub.2 --R.sub.2 Formula [I]wherein R.sub.1 represents an alkylene group having not less than 3 carbon atoms in the straight-chained portion thereof, which is capable of linking a --SO.sub.2 --R.sub.2 to the carbon atom in the third position of the nucleus of the 1H-pyrazolo[3,2-C]-s-triazole; and R.sub.2 represents an aryl group.The silver halide photographic light-sensitive materials of the invention are excellent in light-resistance of magenta dye images and also spectral absorption characteristics.

Abstract: A silver halide color photographic material that has at least one silver halide emulsion layer on a support is disclosed. Said silver halide emulsion layer contains at least one magenta coupler having the following formula: ##STR1## wherein R.sub.1 is a tertiary alkyl group; R.sub.2 is a primary alkyl group; and X is a halogen atom.

Abstract: A silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing at least one magenta coupler having the following formula: ##STR1## wherein R.sub.1 is a tertiary alkyl group; R.sub.2 is a secondary or tertiary alkyl group; X is a leaving group other than a hydrogen atom that leaves upon reaction with the oxidation product of a color developing agent.

Abstract: A silver halide color photographic light-sensitive material comprising a reflective support bearing thereon a green light-sensitive silver halide emulsion layer containing a t-alkyl 1H-pyrazolo[3,2-C]-5-triazole magenta forming coupler represented by Formula (I) defined in the specification: a blue light-sensitive silver halide emulsion layer containing a t-butyl acylacetamide yellow-forming coupler represented by Formula (II) defined in the specification and a red light-sensitive silver halide emulsion layer containing a phenolic cyan-forming coupler represented by Formula (III) or (IV) defined in the specification.

Abstract: A silver halide color photographic light-sensitive material whose magenta dye-forming layer forms a magenta dye image having an absorption maximum from 550 nm to 560 nm and an advantageous absorption spectrum for color reproduction is provided by a silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein the at least one silver halide emulsion layer contains a 1H-pyrazolo[3,2-C]-s-triazole-type magenta coupler, and the above silver halide emulsion layer containing the magenta coupler and/or a silver halide emulsion layer having substantially the same color sensitivity as does the above silver halide emulsion layer containing the magenta coupler contains a pyrazolone-type magenta coupler.

Abstract: A silver halide color photographic material is disclosed which has at least one silver halide emulsion layer on a support, said silver halide emulsion layer containing at least one magenta coupler of the following formula (I) or (II): ##STR1## wherein R.sub.1 and R.sub.4 are each a hydrogen atom, an alkyl group or an aryl group; R.sub.2 and R.sub.6 are each a monovalent group; R.sub.3 is an alkyl group, an aryl group or a heterocyclic group; R.sub.5 is an alkyl group or an aryl group; R.sub.7 is an alkylene group, an arylene group or a bivalent organic group having at least one alkylene bonded to at least one arylene; R.sub.8 is an alkyl group, an alkenyl group, an aryl group or a heterocyclic group; X is a single bond or an alkylene group having 1 to 5 carbon atoms; Z is a hydrogen atom or a group that can be eliminated upon coupling reaction with the oxidized product of a color developing agent; and m is an integer of 0 to 4.