摘要:
A photographic two-equivalent magenta coupler represented by the following general formula (I): ##STR1## wherein (A) represents a residue of a magenta color image-forming coupler in which one of the hydrogen atoms in the coupling position is eliminated; Q represents an oxygen atom or NH group; and B represents the non-metallic atoms necessary to form a 5-membered or a 6-membered ring containing the nitrogen atom and the ##STR2## group. Color photographic light-sensitive materials containing the two-equivalent magenta coupler are also described.
摘要:
A two-equivalent magenta coupler forming magenta dye images in a color photographic material by a coupling reaction with an oxidation product of a primary aromatic amino color developing agent and having the formula (I) ##STR1## wherein [A] represents a residue of a magenta dye-forming coupler; ##STR2## represents a group which is substituted for one of the hydrogen atoms of the active methylene group of the coupler A; Z represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group; B represents a --D-Y residue or an --N Q residue; D represents an oxygen atom, a sulfur atom, or an --NR-- group; R of the --NR-- group represents a hydrogen atom, an alkyl group, or an aryl group; Y represents an alkyl group, an aryl group, or a heterocyclic group; Q of the --N Q residue represents a non-metal atomic group necessary for forming a 5-membered or 6-membered nitrogen-containing heterocyclic group; n is 1 or 2 and when n is 2, B can also represent a --Y group; a color photographic silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer and containing the two-equivalent magnetic coupler having the formula (I); and an image forming method comprising developing an exposed photographic silver halide light-sensitive material comprising a support having thereon at least one silver halide emulsion layer is the presence of the two-equivalent magenta coupler having the formula (I).
摘要:
A two-equivalent magenta coupler in which the coupling position is substituted with a sulfonamido group, and capable of forming a magenta color image on coupling with an oxidation product of an aromatic primary amine developing agent, and a silver halide color photographic light-sensitive material having at least one silver halide emulsion layer on a support and containing the two-equivalent magenta coupler.
摘要:
A photographic two-equivalent magenta coupler represented by the following general formula (I):a--s(o).sub.n --R (I)wherein A represents a residue of a magenta color image forming coupler in which one of the hdyrogen atoms on the active methylene group is eliminated; R represents an alkyl group, an aryl group or a heterocyclic group; and n represents 1 or 2; and color photographic light-sensitive material containing the two-equivalent magenta coupler.
摘要:
A photographic two-equivalent magenta coupler, capable of forming a magenta color image upon coupling reaction with an oxidation product of an aromatic primary amine developing agent, represented by the following general formula I: ##STR1## wherein (A) represents a residue of a magenta color image forming coupler; ##STR2## represents a group which is substituted FOR ONE HYDROGEN ATOM OF THE ACTIVE METHYLENE GROUP IN THE COUPLER A; Z represents an oxygen atom or a sulfur atom; B represents a -- Y group, a -- D -- Y group, or a ##STR3## group; D represents an oxygen atom or an --NR -- group; R represents a hydrogen atom, an alkyl group or an aryl group; Y represents an alkyl group, an aryl group or a heterocyclic group; and Q in the ##STR4## group represents the non-metallic atoms necessary to form a 5-membered or 6-membered nitrogen containing heterocyclic ring; and color photographic light-sensitive materials containing the two equivalent magenta coupler.
摘要:
A two-equivalent color photographic coupler having advantageous properties and capable of forming a magenta color image upon coupling with an oxidation product of an aromatic primary amine developing agent, in which the carbon atom at the coupling position of the coupler is bonded to the nitrogen atom at the 1- or 4-position of a 1,2,4-triazole ring; a color photographic light-sensitive material containing the above-mentioned color photographic coupler and a method of forming a color image comprising developing an image-wise exposed photographic light-sensitive material in the presence of the above-described color photographic coupler are also described.
摘要:
A silver halide color photographic material capable of providing color images having good coloring properties and being excellent in color reproducibility even in a developer using hard water, which contains a cyan coupler represented by formula (I) or (II) and 5-pyrazolone magenta coupler having an arylthio group at the coupling position of said coupler, wherein said arylthio group includes an aliphatic oxy group or an aromatic oxy group at an ortho-position with respect to the sulfur atom of the arylthio group, the aliphatic group or aromatic group of said aliphatic oxy group or aromatic oxy group being unsubstituted or substituted by at least one member selected from(a) a halogen atom,(b) a cyano group,(c) an unsubstituted or substituted aliphatic, aromatic, or heterocyclic sulfonyl, sulfinyl, or phosphonyl group, and(d) a group represented by the formula ##STR1## (e) a group represented by the formula--A.sub.2 -M).sub.n B.sub.2 ; and formulae (I) and (II) are represented by ##STR2## wherein symbols in formulae have the same significances as described in the Detailed Description of the Present Invention.
摘要:
A silver halide color photographic light-sensitive material comprising a support having coated thereon at least one silver halide emulsion layer, the color photographic light-sensitive material having a photographic layer containing at least one 2-equivalent 5-pyrazolone type magenta coupler represented by the general formula (I) described below and an amount of a calcium atom contained in the color photographic light-sensitive material being up to 10 mg/m.sup.2. ##STR1## wherein W represents an aryl group; X represents an aliphatic group, an aryl group or a heterocyclic group; and Y represents an acylamino group, a ureido group or an anilino group.The silver halide color photographic light-sensitive material containing the 2-equivalent 5-pyrazolone magenta coupler and the restricted amount of the calcium atom exhibits photographic properties which are not influenced by variations in the pH of the color developing bath and can provide color images fast to light and heat.
摘要翻译:一种卤化银彩色照相感光材料,其包含在其上涂覆有至少一个卤化银乳剂层的载体,所述彩色照相感光材料具有含有至少一种2-当量5-吡唑啉酮型品红成色剂的照相层, 下述通式(I)和彩色照相感光材料中含有的钙原子量高达10mg / m 2。 (I)其中W表示芳基; X表示脂族基,芳基或杂环基; Y表示酰氨基,脲基或苯胺基。 含有2-当量5-吡唑啉酮品红成色剂和限制量的钙原子的卤化银彩色照相感光材料表现出不受彩色显影浴pH变化影响的照相性能,并能快速提供彩色图像 光和热。
摘要:
A process for preparing a 3-N-mono-substituted amino-4-substituted-5-pyrazolone which comprises replacing the hydrogen atom of the NH group at the 3-position of a 3-mono-substituted-5-pyrazolone with a protective group, halogenating the resulting compound to introduce a halogen atom into the 4-position, reacting the resulting compound with a 5- or 6-member heterocyclic compound containing two or more nitrogen atoms to replace the halogen atom at the 4-position with a nitrogen containing heterocyclic group, and hydrolyzing the resulting compound to remove the protective group.
摘要:
A color photographic color coupler-containing light-sensitive material containing, in a photographic layer, at least one compound represented by the following general formula (I): ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group, a heterocyclic group, a dialkylsilyl group, a trialkylsilyl group, an alkanesulfonyl group, an arylsulfonyl group, an aralknesulfonyl group or an -X-Y group in which X represents a carbonyl group, and Y represents an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an aralkoxy group, an alkylamino group, a dialkylamino group, an arylamino or diarylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aralkoxycarbonyl group or an acyl group; R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom, an alkyl group, an alkoxy group, an aryl group, an aryloxy group, an aralkyl group, an aralkoxy group, an alkenyl group, an alkenoxy group, an acylamino group, a halogen atom, an alkylthio group, an arylthio group, a diacylamino group, an acyl group, a sulfonamido group, an alkylamino group, an alkoxycarbonyl group or an acyloxy group; and R.sub.5 and R.sub.6, which may be the same or different, each represents a hydrogen atom, an alkyl group, an aryl group or an aralkyl group, or R.sub.5 and R.sub.6 are bonded each other to form a 5-membered, 6-membered or 7-membered ring.