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    • 61. 发明授权
    • 2-aryl-4-halomethyl-4-isoxazolin-3-one derivatives
    • 2-芳基-4-卤代甲基-4-异恶唑啉-3-酮衍生物
    • US5071994A
    • 1991-12-10
    • US644858
    • 1991-01-23
    • Koki NakamuraShigeru Nakamura
    • Koki NakamuraShigeru Nakamura
    • A01N43/80A61K31/42A61P25/04A61P29/00A61P31/04C07D261/12C07D413/12G03C1/485
    • C07D261/12
    • 2-aryl-4-halomethyl-4-isoxazolin-3-1-derivatives of formula (I), useful as intermediates for positive working compounds in silver halide photographic materials ##STR1## wherein R.sup.1 represents a substituted or unsubstituted alkyl having from 1 to 6 carbon atoms or a substituted or unsubstituted aryl having from 6 to 24 carbon atoms; R.sup.2, R.sup.3, and R.sup.4, are the same or different, each having up to 20 carbon atoms and each represents hydrogen, a substituted or unsubstituted alkoxy, a substituted or unsubstituted aryloxy, a substituted or unsubstituted acyl, a substituted or unsubstituted alkoxycarbonyl, a substituted or unsubstituted aryloxycarbonyl, halogen, nitro, a substituted or unsubstituted carbamoyl, a substituted or unsubstituted sulfamoyl, a substituted or unsubstituted sulfonyl, cyano, trifluoromethyl, or carboxyl, with the proviso that at least one of said R.sup.2 and R.sup.3 is cyano, a substituted or unsubstituted sulfonyl, trifluoromethyl, or nitro; and X represents fluorine, chlorine, bromine or iodine.
    • (I)的2-芳基-4-卤代甲基-4-异恶唑啉-3-酮衍生物,其可用作卤化银照相材料中的正性化合物的中间体,其中R 1表示取代或未取代的烷基, 1至6个碳原子的取代或未取代的芳基;具有6至24个碳原子的取代或未取代的芳基; R2,R3和R4相同或不同,各自具有至多20个碳原子,并且各自表示氢,取代或未取代的烷氧基,取代或未取代的芳氧基,取代或未取代的酰基,取代或未取代的烷氧基羰基, 取代或未取代的芳氧基羰基,卤素,硝基,取代或未取代的氨基甲酰基,取代或未取代的氨磺酰基,取代或未取代的磺酰基,氰基,三氟甲基或羧基,条件是所述R 2和R 3中的至少一个为氰基, 取代或未取代的磺酰基,三氟甲基或硝基,X表示氟,氯,溴或碘。
    • 64. 发明授权
    • Silver halide photographic light-sensitive material containing a
polyoxyethylene surfactant and a nitron compound
    • US4555480A
    • 1985-11-26
    • US657699
    • 1984-10-04
    • Shigeki YokoyamaKoki NakamuraJyounichi KoudaNobuhisa Sekiguchi
    • Shigeki YokoyamaKoki NakamuraJyounichi KoudaNobuhisa Sekiguchi
    • C09K3/16G03C1/043G03C1/38G03C1/85G03C1/82
    • G03C1/38G03C1/043
    • A silver halide photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the light-sensitive silver halide emulsion layer or other layer is a hydrophilic colloid layer containing a polyoxyethylene surface active agent represented by general formula (I) or (II) described below, and a nitron compound selected from nitron, an inorganic acid salt thereof and an organic acid salt thereof. ##STR1## wherein R.sub.1, R.sub.2, R.sub.6 and R.sub.8, which may be the same or different, each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, a halogen atom, a substituted or unsubstituted acyl group, a substituted or unsubstituted amido group, a substituted or unsubstituted sulfonamido group, a substituted or unsubstituted carbamoyl group or a substituted or unsubstituted sulfamoyl group; R.sub.5 and R.sub.7, which may be the same or different, each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, a halogen atom, a substituted or unsubstituted acyl group, a substituted or unsubstituted amido group, a substituted or unsubstituted sulfonamido group, a substituted or unsubstituted carbamoyl group or a substituted or unsubstituted sulfamoyl group, provided that R.sub.5 and R.sub.6 or R.sub.7 and R.sub.8 may combine to form a substituted or unsubstituted ring; R.sub.3 and R.sub.4 each represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted .alpha.-furyl group, provided that R.sub.3 and R.sub.4 may combine to form a ring; n.sub.1, n.sub.2, n.sub.3 and m, which may be the same or different, each is an integer of from 2 to 50; and in general formula (II) the substituents represented by R.sub.5, R.sub.6, R.sub.7 and R.sub.8 on the two benzene rings may be bilaterally symmetrical or asymmetrical.The silver halide photographic light-sensitive material has an excellent antistatic property and development processing aptitude, along with excellent photographic properties and screen contamination properties. The antistatic properties of the material are not reduced with the passage of time.
    • 65. 发明授权
    • Method of developing silver halide photographic material
    • 卤化银照相材料的研制方法
    • US4551419A
    • 1985-11-05
    • US579048
    • 1984-02-10
    • Tadao SugimotoHideo IkedaKoki Nakamura
    • Tadao SugimotoHideo IkedaKoki Nakamura
    • G03C5/26C07C323/25C07D277/36C07D487/04G03C1/005G03C1/09G03C1/34
    • C07D487/04C07C323/25C07D277/36G03C1/005G03C1/09G03C1/346
    • A silver halide photographic material which contains a light-sensitive silver halide emulsion and an internally fogged silver halide emulsion is development-processed in the presence of at least one compound selected from the group consisting of compounds represented by the general formulae (I) and (II) and at least one azaindene having a mercapto group to exhibit high photographic speed, high contrast and high maximum image density:R.sub.1 --(R.sub.3).sub.l X}.sub.n R.sub.3 '--R.sub.2 (I)wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an aryl group, an aryl group, or a heterocyclic group; R.sub.3 and R.sub.3 ' each represents an alkylene group, an arylene group, a heterocyclic group; X presents ##STR1## R.sub.4 represents a hydrogen atom or --R.sub.5 --Y}.sub.m R.sub.5 '--R.sub.6 ; R.sub.5 and R.sub.5 ' have the same meanings as R.sub.3 and R.sub.3 '; R.sub.6 has the same meaning as R.sub.1 and R.sub.2 ; Y represents ##STR2## R.sub.7 has the same meaning as R.sub.1 and R.sub.2 ; l represents 0 or 1, n represents an integer of 1 to 110, and m represents an integer of 0 to 10, and at least one X therein must be a sulfur atom: ##STR3## wherein Q represents atoms necessary to form a heterocyclic ring, and A represents an alkyl group, or an aryl group.
    • 含有感光卤化银乳剂和内部雾化卤化银乳剂的卤化银照相材料在至少一种选自由通式(I)和(I)表示的化合物组成的组的存在下进行显影处理, II)和具有巯基的至少一种具有巯基的亚烷基,以显示高照相速度,高对比度和高最大图像密度:R1-(R3)1X} nR3'-R2(I)其中R1和R2各自表示氢原子, 芳基,芳基或杂环基; R 3和R 3'各自表示亚烷基,亚芳基,杂环基; X表示 + TR C(R4)2; R4表示氢原子或-R5-Y} mR5'-R6; R5和R5'与R3和R3'具有相同的含义; R6与R1和R2具有相同的含义; Y表示 + TR R7与R1和R2具有相同的含义; l表示0或1,n表示1至110的整数,m表示0至10的整数,并且其中至少一个X必须为硫原子:其中Q表示形成所需的原子 杂环,A表示烷基或芳基。