Patents by Inventor Hidetaka Hiyoshi
Hidetaka Hiyoshi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7820861Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.Type: GrantFiled: April 30, 2007Date of Patent: October 26, 2010Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 7632954Abstract: A novel substituted Sym-triindole derivative that is applicable to a wide spectrum of uses, such as various electrification preventions, electrification controls, capacitors, batteries, chemical sensors, displays, organic EL materials, solar cells, photodiodes, phototransistors, nonlinear materials, photorefractive materials, rustproof agents, adhesives, fibers, antistatic paints, electrodeposition paints, plating primers, electric corrosion protections and the like. There is provided a substituted Sym-triindole derivative of the general formula (1) (wherein R1, R2, R3 and R4 are each independently hydrogen, a halogen, a C1-C6 alkyl or the like, provided that, in no event, all of R1, R2, R3 and R4 are hydrogen simultaneously).Type: GrantFiled: February 14, 2005Date of Patent: December 15, 2009Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Hironobu Kumagai, Hideo Ooi
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Patent number: 7531654Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.Type: GrantFiled: April 30, 2007Date of Patent: May 12, 2009Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 7521555Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen. A process for producing the compound formula (6) is also discussed.Type: GrantFiled: May 31, 2006Date of Patent: April 21, 2009Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 7504503Abstract: A substitute aniline compound represented by the following formula (6): wherein, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or halogen. A process for producing the compound formula (6) is also discussed.Type: GrantFiled: April 30, 2007Date of Patent: March 17, 2009Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 7271263Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions asType: GrantFiled: October 15, 2001Date of Patent: September 18, 2007Assignee: Ihara Chemical Industry, Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Publication number: 20070213533Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkylcarboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions as gType: ApplicationFiled: April 30, 2007Publication date: September 13, 2007Applicant: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Publication number: 20070213532Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions asType: ApplicationFiled: April 30, 2007Publication date: September 13, 2007Applicant: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Publication number: 20070213561Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions asType: ApplicationFiled: April 30, 2007Publication date: September 13, 2007Applicant: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Publication number: 20070191455Abstract: A novel substituted Sym-triindole derivative that is applicable to a wide spectrum of uses, such as various electrification preventions, electrification controls, capacitors, batteries, chemical sensors, displays, organic EL materials, solar cells, photodiodes, phototransistors, nonlinear materials, photorefractive materials, rustproof agents, adhesives, fibers, antistatic paints, electrodeposition paints, plating primers, electric corrosion protections and the like. There is provided a substituted Sym-triindole derivative of the general formula (1) (wherein R1, R2, R3 and R4 are each independently hydrogen, a halogen, a C1-C6 alkyl or the like, provided that, in no event, all of R1, R2, R3 and R4 are hydrogen simultaneously).Type: ApplicationFiled: February 14, 2005Publication date: August 16, 2007Inventors: Hidetaka Hiyoshi, Hironobu Kumagai, Hideo Ooi
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Publication number: 20060281765Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): (in the formula, R1, R2 and R3 are each independently an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group, an alkyl-carboxamide group, a nitro group, an aryl group, an arylalkyl group, an aryloxy group, a halogen atom or a hydrogen atom; and X and Y are each independently a hydrogen atom, an alkyl group, an alkoxy group, an alkoxyalkyl group, a haloalkyl group, a carboxyl group, an alkoxycarbonyl group or a halogen atom), characterized by oxidizing a substituted indole compound represented by the following general formula (3): (in the formula, R1, R2, R3, X and Y have the same definitions as given above) to give rise to the ring opening of indole ring to produce an acetanilide compound represented by the following general formula (4): (in the formula, R1, R2, R3, X and Y have the same definitions asType: ApplicationFiled: May 31, 2006Publication date: December 14, 2006Applicant: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 7145007Abstract: A process for the preparation, of (pyrimidin-2-yl)methyl ketones of the general formula (I), in which R1 is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an allyl group or an aryl-C1-4-alkyl group, and R2 is a C1-10-alkyl group or aryl group. For this, a malondiimidate of the general formula (II), in which R1 has the meaning given above, is reacted with a ?-keto ester of the general formula (III), in which R2 has the meaning given above, and R3 is a C1-10-alkyl group. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.Type: GrantFiled: October 9, 2002Date of Patent: December 5, 2006Assignees: Lonza Ltd., Ihara Chemical Industry Co. Ltd.Inventors: Gareth J. Griffiths, Hidetaka Hiyoshi
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Patent number: 7141670Abstract: A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an alkyl group or an aryl-C1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.Type: GrantFiled: October 9, 2002Date of Patent: November 28, 2006Assignees: Lonza Ltd., Ihara Chemical Industry Co., Ltd.Inventors: Francis Djojo, Gareth J. Griffiths, Yves Guggisberg, Hidetaka Hiyoshi
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Publication number: 20040242876Abstract: A process for the preparation of (pyrimidin-2-yl)methyl ketones of the general formula (I), in which R1 is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an allyl group or an aryl-C1-4-alkyl group, and R2 is a C1-10-alkyl group or aryl group. For this, a malondiimidate of the general formula (II), in which R1 has the meaning given above, is reacted with a &bgr;-keto ester of the general formula (III), in which R2 has the meaning given above, and R3 is a C1-10-alkyl group. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.Type: ApplicationFiled: March 31, 2004Publication date: December 2, 2004Inventors: Gareth J Griffiths, Hidetaka Hiyoshi
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Publication number: 20040242877Abstract: A process for the preparation of 1-(pyrimidin-2-yl)propan-2-ones of general formula (I), in which R is in each case a C1-10-alkyl group, a C3-8-cycloalkyl group, an alkyl group or an aryl-C1-4-alkyl group. For this, a malondiimidate of the general formula (II), in which R has the meaning given above, is reacted with diketene. The compounds which can be prepared according to the invention are intermediates for the synthesis of agrochemical active ingredients.Type: ApplicationFiled: March 31, 2004Publication date: December 2, 2004Inventors: Francis Djojo, Gareth J Griffiths, Yves Guggisberg, Hidetaka Hiyoshi
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Publication number: 20040034251Abstract: The present invention provides a process for producing a substituted aniline compound represented by the following general formula (6): 1Type: ApplicationFiled: August 11, 2003Publication date: February 19, 2004Inventors: Hidetaka Hiyoshi, Mahito Ogawa
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Patent number: 6504046Abstract: A process for producing an amide compound of the following formula by reacting a nitrile compound of the formula with an acid to obtain an oxazolinone compound of the formula and reacting the oxazolinone compound with a carboxy compound of the formula in the presence of a base.Type: GrantFiled: December 27, 2000Date of Patent: January 7, 2003Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Hidetaka Hiyoshi, Shuji Taniguchi, Junko Suzuki
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Patent number: 6469210Abstract: A process for producing a phenylalkanoic acid amide of the formula [3] by reacting a carboxylic acid of the formula [1] with a dehydrating agent to produce an oxazolinone compound of the formula [2] and then reacting the oxazolinone compound with methyllithium or a methylmagnesium halide and an intermediate for producing the phenylalkanoic acid compound.Type: GrantFiled: December 27, 2000Date of Patent: October 22, 2002Assignee: Ihara Chemical Industry Co., Ltd.Inventors: Shuji Taniguchi, Hidetaka Hiyoshi, Katsunori Matsumoto
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Patent number: 6225505Abstract: The present invention lies in a process for producing a trifluoromethylthiomethylbenzene derivative represented by the following general formula (2): (wherein R is a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, a cyano group, a nitro group, or a benzoyl group which may be substituted with halogen atom, alkyl group, alkoxy group, aliphatic or aromatic acyl group, nitro group, cyano group or alkoxycarbonyl group; n is an integer of 1 to 5; when n is an integer of 2 or more, a plurality of R's may be the same of each independently different), which process comprises reacting, in acetonitrile, a benzyl halide derivative represented by the following general formula (1): (wherein R and n have the same definitions as given above; and X is a halogen atom, an alkylsulfonyloxy group or an arylsulfonyloxy group which may be substituted with alkyl group or halogen atom) with thiophosgene and potassium fluoride.Type: GrantFiled: February 1, 2000Date of Patent: May 1, 2001Assignees: Ihara Chemical Industry Co., LTD, Kumiai Chemical Industry Co., LTDInventors: Yoshikazu Kimura, Hidetaka Hiyoshi, Keiji Toriyabe, Nobuhide Wada
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Patent number: 6197969Abstract: The present invention provides a process for producing a substituted alkylamine represented by formula (3): or a salt thereof, which process comprises reacting a 2-aminothiophenol derivative metal salt represented by formula (1): with an amino acid-N-carboxy anhydride represented by formula (2): and then subjecting the reaction product to cyclization under an acidic condition. A substituted alkylamine typified by 1-(2-benzothioazolyl)akylamine, or a salt thereof can be produced from a 2-aminothiophenol derivative industrially at a high handleability and a high yield, and even when the intended substituted alkylamine is an optically active compound, the intended product can be produced without reducing the optical purity of the optically active raw material.Type: GrantFiled: April 3, 2000Date of Patent: March 6, 2001Assignee: Ihara Chemical Industry Co., LTD.Inventors: Kazuto Umezu, Shuji Taniguchi, Mahito Ogawa, Hidetaka Hiyoshi