公开(公告)号：US5270153A

公开(公告)日：1993-12-14

申请号：US797977

申请日：1991-11-26

申请人： Makoto Suzuki ,  Tadahisa Sato ,  Kozo Sato ,  Yoshio Ishii

发明人： Makoto Suzuki ,  Tadahisa Sato ,  Kozo Sato ,  Yoshio Ishii

IPC分类号： G03C7/305 ,  G03C7/38 ,  G03C7/407

CPC分类号： G03C7/30529 ,  G03C7/383

摘要： A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing at least one 1H-pyrrolo[2,1-c][1,2,4]triazole cyan coupler represented by the following general formula (I) or (II): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent, provided that at least one of R.sub.1 and R.sub.2 is an electron withdrawing group which has a Hammett's substituent constant .sigma.p value of 0.15 or more; R.sub.1 and R.sub.2 may be bonded to form a ring; and X represents a hydrogen atom or a substituent capable of being released upon coupling with an oxidation product of an aromatic primary amine color developing agent; said coupler may form a bis-compound or or a polymer at R.sub.1, R.sub.2, R.sub.3 or X; and a cyan image forming method comprising imagewise exposing a silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer and subjecting the exposed photographic material to color development with an aromatic primary amine color dveloping agent at the presence of the above-described 1H-pyrrolo[2,1c][1,2,4]triazole cyan coupler.

公开(公告)号：US5110941A

公开(公告)日：1992-05-05

申请号：US423891

申请日：1989-10-19

申请人： Masato Taniguchi ,  Tadahisa Sato

发明人： Masato Taniguchi ,  Tadahisa Sato

IPC分类号： C07D231/38 ,  C07D487/04 ,  G03C7/38 ,  C07D409/14 ,  C07D417/04 ,  C07D417/14

CPC分类号： C07D487/04 ,  G03C7/3835

摘要： A method of producing 1H-pyrazolo[5,1-c]-1,2,4-triazoles represented by general formula (II): ##STR1## (wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom or a substituent group) which comprises making a compound represented by general formula (I) undergo a ring closure reaction: ##STR2## (wherein R.sub.1, R.sub.2 and R.sub.3 each represents a hydrogen atom, or a substituent group), and a method of producing a pyrazol derivative represented by general formula (I) by reacting a compound represented by general formula (III) and general formula (IV): ##STR3## wherein R.sub.1, R.sub.2 and R.sub.3 have the same meaning as in general formula (I); Y represents an acid radical; and n represents 0 to 1.

摘要翻译： 由通式（II）表示的1H-吡唑并[5,1-c] -1,2,4-三唑的制备方法：其中R1，R2和R3各自表示氢原子或 取代基），其包括使通式（I）表示的化合物进行闭环反应：其中，R 1，R 2和R 3各自表示氢原子或取代基， 通过使由通式（III）表示的化合物和通式（IV）表示的化合物反应制备由通式（I）表示的吡唑衍生物：其中R 1，R 2和R 3具有与 在通式（I）中; Y表示酸基; n表示0〜1。

公开(公告)号：US4774172A

公开(公告)日：1988-09-27

申请号：US935987

申请日：1986-11-28

申请人： Toshio Kawagishi ,  Takayoshi Kamio ,  Keizo Kimura ,  Tadahisa Sato ,  Nobuo Furutachi

发明人： Toshio Kawagishi ,  Takayoshi Kamio ,  Keizo Kimura ,  Tadahisa Sato ,  Nobuo Furutachi

IPC分类号： C07D487/04 ,  G03C7/38

CPC分类号： C07D487/04 ,  G03C7/3825

摘要： Silver halide color photographic materials are described, which comprise at least one silver halide emulsion layer coated on a support and which are characterized by the incorporation of a pyrazoloazole type coupler of the following general formula (I) into the silver halide emulsion layer(s) or the adjacent layer(s) thereto: ##STR1## wherein Za and Zb each may represent ##STR2## R.sup.1 and R.sup.2 each may represent a hydrogen atom or a substituent; X represents a hydrogen atom or a group capable of being removed upon a coupling reaction with an oxidized form of an aromatic primary amine type developing agent; when Za.dbd.Zb is a carbon-carbon double bond, this may be a part of the aromatic ring in the formula: with the proviso that at least one of R.sup.1 and R.sup.2 is a group represented by general formulae (II) or (III): ##STR3## wherein R.sup.3 represents a hydrogen atom or a substituted or unsubstituted alkyl group; R.sup.4 represents a hydrogen atom or a substituent; R.sup.5 represents a halogen atom, a substituted or unsubstituted alkoxy, aryloxy, amino, alkylthio or arylthio group; Ar represents an aryl group; Y represents an alkylene group or an arylene group; l' is an integer of 0 or 1; n is an integer of 0 or 1; and m is an integer of 1 to 3; and that when R.sup.1 represents an alkyl group or Y represents an alkylene group, the alkyl or alkylene group is a group of which the carbon atom directly bonded to the pyrazoloazole nucleus is a primary carbon.The pyrazoloazole type magenta couplers of general formula (I) may form azomethine dyes with improved color reproducibility and high light fastness. The present silver halide color photographic materials containing the coupler of general formula (I) have excellent colorability and excellent light fastness.

摘要翻译： 描述了卤化银彩色照相材料，其包含涂覆在载体上的至少一种卤化银乳剂层，其特征在于将以下通式（I）的吡唑并唑型成色剂加入到卤化银乳剂层中， 或其相邻的层：其中Za和Zb各自可以表示R 1和R 2各自可以表示氢原子或取代基; X表示氢原子或能够与氧化形式的芳族伯胺型显影剂偶联反应时除去的基团; 当Za = Zb是碳 - 碳双键时，其可以是下式中的芳环的一部分：条件是R 1和R 2中的至少一个是由通式（II）或（III）表示的基团， （III）其中R3表示氢原子或取代或未取代的烷基; R4代表氢原子或取代基; R5表示卤素原子，取代或未取代的烷氧基，芳氧基，氨基，烷硫基或芳硫基; Ar表示芳基; Y表示亚烷基或亚芳基; l'是0或1的整数; n为0或1的整数; m为1〜3的整数。 当R 1表示烷基或Y表示亚烷基时，烷基或亚烷基是与吡唑并唑核直接键合的碳原子为伯碳的基团。 通式（I）的吡唑并噻唑型品红色成色剂可以形成具有改善的颜色再现性和高耐光性的偶氮甲碱染料。 含有通式（I）的成色剂的本发明的卤化银彩色照相材料具有优异的着色性和优异的耐光性。

公开(公告)号：USH131H

公开(公告)日：1986-09-02

申请号：US773892

申请日：1985-09-09

申请人： Nobuo Furutachi ,  Tadahisa Sato ,  Toshio Kawagishi ,  Kiyoshi Nakazyo

发明人： Nobuo Furutachi ,  Tadahisa Sato ,  Toshio Kawagishi ,  Kiyoshi Nakazyo

IPC分类号： C07D487/04 ,  G03C7/38

CPC分类号： C07D487/04 ,  G03C7/3825

摘要： Silver halide color photographic materials contain pyrazoloazole type magenta couplers having at least one hydroxyphenyl group bonded thereto. The silver halide color photographic materials are improved in color developability and color image light fastness. The pyrazoloazole type magenta couplers are 5-membered ring/5-membered ring condensed nitrogen heterocyclic type couplers.

公开(公告)号：US4540654A

公开(公告)日：1985-09-10

申请号：US590818

申请日：1984-03-19

申请人： Tadahisa Sato ,  Toshio Kawagishi ,  Nobuo Furutachi

发明人： Tadahisa Sato ,  Toshio Kawagishi ,  Nobuo Furutachi

IPC分类号： C03C25/10 ,  B05D1/36 ,  C07D231/38 ,  C07D487/04 ,  C07D519/00 ,  C09B55/00 ,  G02B6/44 ,  G03C7/305 ,  G03C7/38 ,  G03C7/00 ,  G03C1/40 ,  G03C7/40

CPC分类号： C07D231/38 ,  C07D487/04 ,  C09B55/00 ,  G03C7/30529 ,  G03C7/3835

摘要： A method of forming a color image comprising developing a silver halide photographic light-sensitive material with a developing solution containing an aromatic primary amine is disclosed. The developing is carried out in the presence of a coupler represented by the general formula (I) described below and/or a polymer coupler which is a polymer or copolymer having a repeating unit derived from a vinyl monomer containing a part represented by the general formula (I) described below in its molecule: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom or a substituent; and X represents a hydrogen atom or a group capable of being released upon coupling.The magenta color forming coupler represented by the general formula (I) or the polymer coupler containing the part represented by the general formula (I) has a good color forming property and provides a magenta color image having an excellent spectral absorption property free from subsidiary absorptions in the region around 430 nm and good fastness. A silver halide photographic light-sensitive material containing the magenta coupler is also disclosed.

摘要翻译： 公开了一种形成彩色图像的方法，其包括用含有芳族伯胺的显影液显影卤化银照相感光材料。 在由下述通式（I）表示的成色剂和/或聚合物成色剂的存在下进行显影，所述聚合物成色剂是具有源自乙烯基单体的聚合物或共聚物，该乙烯基单体含有由通式 （I）：其中R 1和R 2可以相同或不同，各自表示氢原子或取代基; 并且X表示氢原子或在偶联时能够释放的基团。 由通式（I）表示的品红色成色剂或含有由通式（I）表示的部分的聚合物成色剂具有良好的成色性质，并提供具有优异的无辅助吸收光谱吸收特性的品红色图像 在430nm左右的区域和良好的牢度。 还公开了含有品红色成色剂的卤化银照相感光材料。