专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

71. 发明专利

JPH1036325A PRODUCTION OF AMINOPHENYLACETYLENE COMPOUND 失效
公开(公告)号：JPH1036325A
公开(公告)日：1998-02-10
申请号：JP20778696
申请日：1996-07-18
申请人： FUJI PHOTO FILM CO LTD
发明人： YAMAKAWA KAZUYOSHI , SATO TADAHISA
IPC分类号： C07C209/36 , C07C211/45 , C07C213/02 , C07C215/68 , C07C215/70 , C07F7/10
摘要： PROBLEM TO BE SOLVED: To enable to effectively obtain the subject compound useful as an intermediate for synthesizing antifogging agents for heat-developable photosensitizing materials, etc., at a low cost by selectively reducing a nitrophenylacetylene compound with iron (compound). SOLUTION: This method for producing an aminophenylacetylene compound of formula II comprises selectively reducing (A) a compound of formula I [R is H, a group of the formula: CR R OH (R , R are each H, an alkyl, or R and R may be combined with each other to form a five to seven-membered ring), a group of the formula: SiR R R (R to R are each an alkyl)] with (B) iron (salt) (e.g. iron powder or reduced iron activated with acetic acid, hydrochloric acid, ammonium chloride or a nickel chloride, the mixture of ferric trichloride with a hydrogen-donor such as a hydrazine compound, ferrous dichloride of ferric trichloride). The reaction is preferably carried out by reacting 1 equivalent of the component A with 0.1-10 equivalents of the component B at a temperature of 0-150 deg.C.

72. 发明专利

JPH09278758A PRODUCTION OF N-PYRAZOLYLAMIDOXIME COMPOUND 失效
公开(公告)号：JPH09278758A
公开(公告)日：1997-10-28
申请号：JP9248396
申请日：1996-04-15
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA
IPC分类号： C07D231/38 , C07D231/44 , C07D231/52 , C07D401/12 , C07D403/12
摘要： PROBLEM TO BE SOLVED: To produce an N-pyrazolylamidoxime compound which is a synthetic intermediate for a compound useful as a coupler for a color photography, an intermediate for a medicine, etc., in a short process. SOLUTION: This N-pyrazolylamidoxime compound of formula I (R and R are each H, an alkyl, etc.; R is H, an alkyl, etc.) is obtained as follows. At first, a corresponding β-keto compound, etc., is made to react with hydrazine to obtain a compound of formula II which is a starting substance. Subsequently, the compound of formula II is made to reacted with an acid chloride in the presence of a base (e.g. pyridine) followed by heating to obtain a compound of formula III. The resultant compound of formula III is treated with a halogenating agent e.g. POCl3 or PCl5 in an amount 0.5-2.5 equivalent at a reaction temperature of 0-100 deg.C to lead to a compound of formula IV (X is a halogen), and the obtained compound is converted into the objective compound of formula I by treating at a reaction temperature of 15-120 deg.C after adding an excess amount of hydroxyamine using water or an alcohol such as methanol as a solvent.

73. 发明专利

JPH09249621A 1,3,5-TRIS(4-DISUBSTITUTED AMINOPHENYL)BENZENE COMPOUND 失效
公开(公告)号：JPH09249621A
公开(公告)日：1997-09-22
申请号：JP5786596
申请日：1996-03-14
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA
IPC分类号： C07C211/54 , C07C211/57 , C09K9/02
摘要： PROBLEM TO BE SOLVED: To obtain a new 1,3,5-tris(disubstituted aminophenyl)benzene compound capable of forming an amorphous thin film stable at a normal temperature by a vacuum deposition method and usable as a material for positive hole transportation for an organic electroluminescent element. SOLUTION: This compound is shown by formula I (R is phenyl, etc.; R is naphthyl, etc.). The compound is obtained by heating 1,3,5-tris(4-iodophenyl) benzene, obtained by iodating triphenylbenzene as a well-known compound, as a starting raw material and an amine of formula II in the presence of metal copper and a base such as potassium hydroxide in a high-boiling hydrocarbon- based solvent.

74. 发明专利

JP2524819B2 失效
公开(公告)号：JP2524819B2
公开(公告)日：1996-08-14
申请号：JP26476588
申请日：1988-10-20
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA , TANIGUCHI MASATO
IPC分类号： G03C7/38 , G03C7/407 , G03C7/413

75. 发明专利

JPH0830871B2 失效
公开(公告)号：JPH0830871B2
公开(公告)日：1996-03-27
申请号：JP26281887
申请日：1987-10-20
申请人： FUJI PHOTO FILM CO LTD
发明人： TANIGUCHI MASATO , SAKAI NOBUO , SATO TADAHISA
IPC分类号： G03C7/305 , G03C7/32 , G03C7/407

76. 发明专利

JPH07278455A PRODUCTION OF 1H(1,2-B)PYRAZOLE COMPOUND 失效
公开(公告)号：JPH07278455A
公开(公告)日：1995-10-24
申请号：JP6873894
申请日：1994-04-06
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA , MATSUOKA MITSUYUKI
IPC分类号： G03C7/38 , C07D487/04 , C09B57/00
摘要： PURPOSE:To produce an imidazo[1,2-b]pyrazole compd. having a substituent bonded to the 3-position through a sulfur atom in a high yield by subjection a specific compd. to cyclodehydration, acylation, and oxidation. CONSTITUTION:A compd. of formula III is first produced, cyclodehydrated to give a compd. of formula I, acylated to give a compd. of formula IV, and oxidized to give a compd. of formula II. In those formulas, R1 and R2 are each H or a substituent; R3 is H, a halogen, alkoxy, aryloxy, or 1-azolyl; R4 is an alkyl or aryl; (n) is 1 or 2; and R5 is an acyl, silyl, an alkoxycarbonyl, aryloxycarbonyl, carbamoyl, sulfonyl, or sulfamoyl.

77. 发明专利

JPH0656483B2 失效
公开(公告)号：JPH0656483B2
公开(公告)日：1994-07-27
申请号：JP1875086
申请日：1986-01-29
申请人： FUJI PHOTO FILM CO LTD
发明人： SAKAI MINORU , SATO TADAHISA , HIROSE TAKESHI , KOYAKATA NOBUO
IPC分类号： G03C7/26 , G03C7/30 , G03C7/392 , G03C7/407

78. 发明专利

JPH05313324A FORMATION OF CYAN IMAGE AND SILVER HALIDE COLOR PHOTOGRAPHIC SENSITIVE MATERIAL 失效
公开(公告)号：JPH05313324A
公开(公告)日：1993-11-26
申请号：JP22632591
申请日：1991-08-13
申请人： FUJI PHOTO FILM CO LTD
发明人： SUZUKI MAKOTO , SATO KOZO , SATO TADAHISA , NARUSE HIDEAKI , SHIMADA YASUHIRO , ISHII YOSHIO
IPC分类号： G03C7/305 , G03C7/38 , G03C7/407
摘要： PURPOSE:To obtain a cyan image excellent in color developing property, color reproducibility and picture storage property with little side absorption in a green region. CONSTITUTION:This silver halide color photographic sensitive material contains a cyan coupler expressed by formula I or II. In formulas, R1 and R2 are electron withdrawing groups of >=0.20 Hammett's substitution const. sigmap, and the sum of sigmap of R1 and R2 is >=0.65. R3 is a hydrogen atom or substituent, and X is a hydrogen atom or coupling releasing group.

79. 发明专利

JPH0577063B2 失效
公开(公告)号：JPH0577063B2
公开(公告)日：1993-10-25
申请号：JP24271286
申请日：1986-10-13
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA , KOYAKATA NOBUO
IPC分类号： G03C7/30 , G03C7/305 , G03C7/38

80. 发明专利

JPH05204113A SILVER HALIDE COLOR PHOTOGRAPHIC SENSITIVE MATERIAL 失效
公开(公告)号：JPH05204113A
公开(公告)日：1993-08-13
申请号：JP3580992
申请日：1992-01-28
申请人： FUJI PHOTO FILM CO LTD
发明人： SATO TADAHISA , SAKAGAMI MEGUMI
IPC分类号： G03C7/305 , G03C7/32 , G03C7/38 , G03C7/388 , G03C7/392
摘要： PURPOSE:To improve sensitivity and graininess by incorporating at least one of specified hydrazine compounds. CONSTITUTION:The silver halide color photographic sensitive material contains at least one of the hydrazine compounds represented by formula in which R is alkyl, such as 1-40C straight or branched alkyl, aryl, such as 6-40C aryl, or a 1-40C aromatic heterocyclic group containing an N, S, or O atom, and (PA) is a pyrazoloazole or indazolone residual group, detailed by 1H-imidazo[1,2- b]pyrazole, 1H-pyrazolo[1,5-b][1,2,4]-triazole, 1H-pyrazolo[5,1-c][1,2,4]triazole, III-pyrazolo[1,5-d]-tetrazole, 1H-pyrazolo[1,5-b]pyrazole or 3-imidazolone.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式