Patents by Inventor Koji Hagiya

Koji Hagiya 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).

  • Publication number: 20070135634
    Abstract: A method for producing a fluorine-containing organic compound represented by the formula (7): R—Fm??(7) wherein R represents a substituted or unsubstituted saturated hydrocarbon group, or a substituted or unsubstituted aromatic group and m represents an integer satisfying the inequality: 1?m?n, which comprises reacting a fluorinating agent represented by the formula (1): wherein R1 and R3 are the same or different, and represent an optionally substituted alkyl group, R2, R4 and R5 are the same or different, and represent a hydrogen atom or an optionally substituted alkyl group, x satisfies 0<x?1, and Y? represents a monovalent anion other than a fluoride ion, with an organic compound of the formula (6): R-Ln??(6) wherein R is the same as defined above, L represents a leaving group and n represents an integer of 1 or more, and a fluorinating agent using the same are described.
    Type: Application
    Filed: December 21, 2004
    Publication date: June 14, 2007
    Inventor: Koji Hagiya
  • Publication number: 20070078278
    Abstract: A method for producing 3,3-dimethyl-2-(1-propenyl)cyclopropanecarboxylate represented by the formula (2): wherein R1 represent an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted aralkyl group, which comprises a 3,3-dimethyl-2-(2-carboxy-1-propenyl)cyclopropanecarboxylate represented by the formula (1): wherein R1 is as described above, is brought into contact with a copper compound and a nitrogen-containing aromatic compound, is provided.
    Type: Application
    Filed: November 4, 2004
    Publication date: April 5, 2007
    Applicant: SUMITOMO CHEMICAL COMPANY LIMITED
    Inventor: Koji Hagiya
  • Patent number: 7132092
    Abstract: A metallized mesoporous silicate which is obtained by (i) reacting (a) either a metal peroxide obtained by the reaction of an aqueous hydrogen peroxide solution with at least one metal or metal compound selected from the group consisting of the following 1) to 4) 1) tungsten 2) molybdenum 3) vanadium 4) compounds comprising 4a) any of tungsten, molybdenum, and vanadium and 4b) at least one element selected from Groups 13 to 16 (excluding oxygen) or a solution of the metal peroxide with (b) a silicon compound in the presence of an alkylamine or a quaternary ammonium salt and separating the resultant silicate; and a process for producing the metallized mesoporous silicate. Also provided is a method of organic synthesis with the silicate.
    Type: Grant
    Filed: February 5, 2003
    Date of Patent: November 7, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventor: Koji Hagiya
  • Publication number: 20060211891
    Abstract: A metal catalyst obtained by contacting (A) at least one metal or metal compound selected from i) tungsten compounds composed of tungsten and an element of group IIIb, IVb, Vb, or VIb, ii) molybdenum compounds composed of molybdenum and an element of group IIIb, IVb, Vb, or VIb, and iii) tungsten metal and molybdenum metal; (B) at least one compound selected from tertiary amine compounds, tertiary amine oxide compounds, nitrogen-containing aromatic compounds and nitrogen-containing aromatic N-oxide compounds; (C) hydrogen peroxide; and (D) a phosphate compound, is provided.
    Type: Application
    Filed: April 14, 2004
    Publication date: September 21, 2006
    Inventors: Masaji Hirota, Koji Hagiya
  • Publication number: 20060173221
    Abstract: It is provided that a method for producing an oxygen-containing compound, characterized in that an olefin compound having a carbon-carbon double bond which is bonded to a methyl or methylene group is reacted with an organic hydroperoxide in the presence of an ionic liquid and a selenium compound.
    Type: Application
    Filed: March 23, 2004
    Publication date: August 3, 2006
    Inventor: Koji Hagiya
  • Patent number: 7074947
    Abstract: A process for producing an epoxide compound, characterized by reacting an olefin compound with hydrogen peroxide in the presence of: a metal oxide catalyst obtained by reacting hydrogen peroxide with at least one member selected from the group consisting of tungsten metal, molybdenum metal, compounds of tungsten and a Group IIIb, IVb, Vb, or VIb element, tungstic acid and salts thereof, compounds of molybdenum and a Group IIIb, IVb, Vb, or VIb element, and molybodic acid and salts thereof; at least one member selected from the group consisting of tertiary amine compounds, tertiary amine oxide compounds, nitrogenous aromatic compounds, and nitrogenous aromatic N-oxide compounds; and a phosphoric acid compound.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: July 11, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masaji Hirota, Koji Hagiya
  • Publication number: 20060089506
    Abstract: There is provided a process for the production of carbonyl compounds, characterized by reacting a diol represented by the formula (1); wherein R1, R2, R3 and R4 are the same or different, and independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted acyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted aryloxycarbonyl group, a substituted or unsubstituted aralkyloxycarbonyl group, carboxyl group or a hydrogen atom, or R1 and R2 or R3 and R4 are bonded together with the carbon atoms to which they are bonded to form a ring, provided that all of R1, R2, R3 and R4 are not hydrogen atoms simultaneously; with bromine or an inorganic bromine compound in the presence of a trivalent bismuth compound and a base to form carbonyl compounds represented by the formula (2); wherein R1 and R3 are as defined above; and the formula (3); wherein
    Type: Application
    Filed: March 24, 2004
    Publication date: April 27, 2006
    Inventors: Naoyuki Takano, Koji Hagiya
  • Patent number: 7009079
    Abstract: There is disclosed an optically active salicylideneaminoalcohol compound of formula (1): wherein R1 represents an alkyl group or the like, R2 represents an aryl group and the like, and when X1 represents a nitro, X2 is a hydrogen atom, when X1 represents a chlorine atom, X2 is a chlorine atom, and when X1 is a hydrogen atom, X2 is a fluorine atom; and the carbon atom denoted by “*” is an asymmetric carbon atom having either an S or R configuration, and a chiral copper complex produced from the optically active salicylidenaminoalcohol compound and a copper compound.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: March 7, 2006
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masashi Kamitamari, Gohfu Suzukamo, Michio Yamamoto, Koji Hagiya, Makoto Itagaki
  • Publication number: 20050240050
    Abstract: There is provided a production method of formylcyclopropanecarboxylate compound of formula (2): wherein R1 and R2 are as defined below, which comprises reacting a cyclopropanecarboxylate compound of formula (1): wherein and R1 represent a linear, branched or cyclic alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group, R2 represents a hydrogen atom or a methyl group, with at least one oxidizer selected from the group consisting of hypohalite, N-halosuccinimide, a trichloroisocyanuric acid, and iodine, in the presence of a nitroxy radical compound.
    Type: Application
    Filed: July 4, 2003
    Publication date: October 27, 2005
    Inventors: Ryo Minamida, Koji Hagiya, Makoto Itagaki
  • Patent number: 6916938
    Abstract: There is provided a method for preparing a sulfone or sulfoxide compound, characterized in that a sulfide compound is allowed to react with hydrogen peroxide in the presence of a metal oxide catalyst formed by the reaction of hydrogen peroxide with at least one metal or metal compound selected from tungsten metal; molybdenum metal; a tungsten compound comprising tungsten and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen; and a molybdenum compound comprising molybdenum and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: July 12, 2005
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Jun Oguma, Koji Hagiya, Takashi Miyawaki
  • Publication number: 20050096471
    Abstract: A process for producing a biaryl compound, characterized by reacting an arylhydrazine compound, hydrogen peroxide and an aryl compound. When the reaction is conducted in the presence of a given metal or a compound of the metal or in the presence of a metal oxide obtained by reacting the given metal or a compound of the metal with hydrogen peroxide, then the yield of the biaryl compound is improved.
    Type: Application
    Filed: January 15, 2003
    Publication date: May 5, 2005
    Inventor: Koji Hagiya
  • Publication number: 20050090688
    Abstract: A metallized mesoporous silicate which is obtained by (i) reacting (a) either a metal peroxide obtained by the reaction of an aqueous hydrogen peroxide solution with at least one metal or metal compound selected from the group consisting of the following 1) to 4) 1) tungsten 2) molybdenum 3) vanadium 4) compounds comprising 4a) any of tungsten, molybdenum, and vanadium and 4b) at least one element selected from Groups 13 to 16 (excluding oxygen) or a solution of the metal peroxide with (b) a silicon compound in the presence of an alkylamine or a quaternary ammonium salt and separating the resultant silicate; and a process for producing the metallized mesoporous silicate. Also provided is a method of organic synthesis with the silicate.
    Type: Application
    Filed: February 5, 2003
    Publication date: April 28, 2005
    Inventor: Koji Hagiya
  • Publication number: 20050090684
    Abstract: There is disclosed an optically active salicylideneaminoalcohol compound of formula (1): wherein R1 represents an alkyl group or the like, R2 represents an aryl group and the like, and when X1 represents a nitro, X2 is a hydrogen atom, when X1 represents a chlorine atom, X2 is a chlorine atom, and when X1 is a hydrogen atom, X2 is a fluorine atom; and the carbon atom denoted by “*” is an asymmetric carbon atom having either an S or R configuration, and a chiral copper complex produced from the optically active salicylidenaminoalcohol compound and a copper compound.
    Type: Application
    Filed: July 24, 2003
    Publication date: April 28, 2005
    Inventors: Masashi Kamitamari, Gohfu Suzukamo, Michio Yamamoto, Koji Hagiya, Makoto Itagaki
  • Patent number: 6852871
    Abstract: There is provided a method for producing an optically active salicylaldimine copper complex, which method is characterized in that an optically active amino alcohol compound represented by the following formula (1) is reacted with copper hydroxide (II) in an organic solvent: wherein R1 and R2 which are the same or different, each represent lower alkyl groups and the like which may be substituted, X1 and X2 which are the same or different, each represent a hydrogen atom, lower alkyl groups and the like, and the symbol * designates an asymmetric carbon atom.
    Type: Grant
    Filed: June 10, 2003
    Date of Patent: February 8, 2005
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Makoto Itagaki, Koji Hagiya
  • Publication number: 20050020841
    Abstract: A process for producing an epoxide compound, characterized by reacting an olefin compound with hydrogen peroxide in the presence of: a metal oxide catalyst obtained by reacting hydrogen peroxide with at least one member selected from the group consisting of tungsten metal, molybdenum metal, compounds of tungsten and a Group IIIb, IVb, Vb, or VIb element, tungstic acid and salts thereof, compounds of molybdenum and a Group IIIb, IVb, Vb, or VIb element, and molybodic acid and salts thereof; at least one member selected from the group consisting of tertiary amine compounds, tertiary amine oxide compounds, nitrogenous aromatic compounds, and nitrogenous aromatic N-oxide compounds; and a phosphoric acid compound.
    Type: Application
    Filed: January 31, 2003
    Publication date: January 27, 2005
    Inventors: Masaji Hirota, Koji Hagiya
  • Publication number: 20040152592
    Abstract: There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound,
    Type: Application
    Filed: January 21, 2004
    Publication date: August 5, 2004
    Applicant: Sumitomo Chemical Company, Limted
    Inventors: Koji Hagiya, Naoyuki Takano, Akio Kurihara
  • Patent number: 6703528
    Abstract: There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound, which contains reacting an olefin compound with hydrogen peroxide, utilizing as a catalyst, at least one member selected from (a) tungsten, (b) molybdenum, or (c) a tungsten or molybdenum metal compound containing (ia) tungsten or (ib) molybdenum and (ii) an element of Group IIIb, IVb, Vb or VIb excluding oxygen, and a catalyst composition.
    Type: Grant
    Filed: August 10, 2001
    Date of Patent: March 9, 2004
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Koji Hagiya, Naoyuki Takano, Akio Kurihara
  • Patent number: 6670500
    Abstract: There is disclosed an optically active salicylideneaminoalcohol compound of formula (1): wherein R1 represents an alkyl group or the like, R2 represents an aryl group and the like, and when X1 represents a nitro, X2 is a hydrogen atom, when X1 represents a chlorine atom, X2 is a chlorine atom, and when X1 is a hydrogen atom, X2 is a fluorine atom; and the carbon atom denoted by “*” is an asymmetric carbon atom having either an S or R configuration, and a chiral copper complex produced from the optically active salicylidenaminoalcohol compound and a copper compound.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: December 30, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masashi Kamitamari, Gohfu Suzukamo, Michio Yamamoto, Koji Hagiya, Makoto Itagaki
  • Publication number: 20030233003
    Abstract: There is provided a method for producing an optically active salicylaldimine copper complex, which method is characterized in that an optically active amino alcohol compound represented by the following formula (1) is reacted with copper hydroxide (II) in an organic solvent.
    Type: Application
    Filed: June 10, 2003
    Publication date: December 18, 2003
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Makoto Itagaki, Koji Hagiya
  • Publication number: 20030171589
    Abstract: There is provided a method for preparing a sulfone or sulfoxide compound, characterized in that a sulfide compound is allowed to react with hydrogen peroxide in the presence of a metal oxide catalyst formed by the reaction of hydrogen peroxide with at least one metal or metal compound selected from tungsten metal; molybdenum metal; a tungsten compound comprising tungsten and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen; and a molybdenum compound comprising molybdenum and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen.
    Type: Application
    Filed: January 23, 2003
    Publication date: September 11, 2003
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Jun Oguma, Koji Hagiya, Takashi Miyawaki