Patents by Inventor Kiminori Tomimatsu

Kiminori Tomimatsu 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).

  • Patent number: 7038042
    Abstract: A process suitable for safely mass-producing, through a short step, cyclic compounds useful in medicines, agricultural chemicals, foods, cosmetics, and chemical products or as intermediates therefor. The process, which is for producing a compound represented by the formula: {wherein Z represents an electron-attracting group; W represents optionally substituted ethylene or optionally substituted vinylene; R3 represents hydrogen or an optionally substituted hydrocarbon group; and X represents a divalent group [provided that when W represents optionally substituted vinylene, then —X—CH2-Z is not —X1—X2—CH2, -Z (wherein X1 represents sulfur or optionally substituted nitrogen and X2 represents optionally substituted ethylene)]} or a salt thereof, is characterized by subjecting a compound represented by the formula (II) or a salt thereof: (wherein the symbols have the same meanings as the above) to a ring closure reaction in a solvent containing a carbonic diester.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: May 2, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu
  • Patent number: 6982344
    Abstract: A method including resolution of a diastereomeric mixture represented by the formula wherein R1 and R2 are the same or different and each is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, only one of R1 and R2 contains one asymmetric carbon, and Ra is an optically active and optionally substituted hydrocarbon group or an optically active and optionally substituted heterocyclic group, or a salt thereof, to produce the diastereomer having a steric configuration of the asymmetric carbon for R1 or R2 of an R configuration or an S configuration, or a salt thereof.
    Type: Grant
    Filed: October 17, 2001
    Date of Patent: January 3, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tomomi Ikemoto, Atsuko Nishiguchi, Kiminori Tomimatsu
  • Publication number: 20050096475
    Abstract: A process suitable for safely mass-producing, through a short step, cyclic compounds useful in medicines, agricultural chemicals, foods, cosmetics, and chemical products or as intermediates therefor. The process, which is for producing a compound represented by the formula: {wherein Z represents an electron-attracting group; W represents optionally substituted ethylene or optionally substituted vinylene; R3 represents hydrogen or an optionally substituted hydrocarbon group; and X represents a divalent group [provided that when W represents optionally substituted vinylene, then —X—CH2-Z is not —X1—X2—CH, -Z (wherein X1 represents sulfur or optionally substituted nitrogen and X2 represents optionally substituted ethylene)]} or a salt thereof, is characterized by subjecting a compound represented by the formula (II) or a salt thereof: (wherein the symbols have the same meanings as the above) to a ring closure reaction in a solvent containing a carbonic diester.
    Type: Application
    Filed: December 10, 2004
    Publication date: May 5, 2005
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu
  • Patent number: 6881842
    Abstract: A process for easily and industrially advantageously producing both a tricyclic fused heterocyclic derivative having acetylcholinesterase inhibitory activity and an intermediate for the derivative. The process for producing the target compounds comprises the following reaction.
    Type: Grant
    Filed: September 20, 2001
    Date of Patent: April 19, 2005
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tadao Kawarasaki, Hideo Hashimoto, Kiminori Tomimatsu
  • Patent number: 6864367
    Abstract: A process suitable for safely mass-producing, through a short step, cyclic compounds useful in medicines, agricultural chemicals, foods, cosmetics, and chemical products or as intermediates therefor. The process, which is for producing a compound represented by the formula: {wherein Z represents an electron-attracting group; W represents optionally substituted ethylene or optionally substituted vinylene; R3 represents hydrogen or an optionally substituted hydrocarbon group; and X represents a divalent group [provided that when W represents optionally substituted vinylene, then —X—CH2—Z is not —X1—X2—CH2—Z (wherein X1 represents sulfur or optionally substituted nitrogen and X2 represents optionally substituted ethylene)]} or a salt thereof, is characterized by subjecting a compound represented by the formula (II) or a salt thereof: (wherein the symbols have the same meanings as the above) to a ring closure reaction in a solvent containing a carbonic diester.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: March 8, 2005
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu
  • Publication number: 20040106803
    Abstract: A method for producing a compound of the formula: 1
    Type: Application
    Filed: November 4, 2003
    Publication date: June 3, 2004
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami
  • Patent number: 6743924
    Abstract: A method for producing a compound of the formula: (1) in a secondary or tertiary alcohol in the presence of a base, or (2) in the absence of a base is provided.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: June 1, 2004
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami
  • Publication number: 20040049041
    Abstract: A method including resolution of a diastereomeric mixture represented by the formula 1
    Type: Application
    Filed: April 11, 2003
    Publication date: March 11, 2004
    Inventors: Tomomi Ikemoto, Atsuko Nishiguchi, Kiminori Tomimatsu
  • Publication number: 20030191150
    Abstract: A process for easily and industrially advantageously producing both a tricyclic fused heterocyclic derivative having acetylcholinesterase inhibitory activity and an intermediate for the derivative. The process for producing the target compounds comprises the following reaction.
    Type: Application
    Filed: March 20, 2003
    Publication date: October 9, 2003
    Inventors: Tadao Kawarasaki, Hideo Hashimoto, Kiminori Tomimatsu
  • Patent number: 6566535
    Abstract: A process for preparing a compound represented by the following formula: wherein each symbol is as defined below, or a salt thereof, characterized by subjecting a compound represented by the following formula: wherein R1 is an electron-attracting group; R2, R3, R4, R5, R6 and R7 are each a hydrogen atom, a halogen atom, an optionally substituted amino group, an optionally substituted hydroxyl group, an optionally substituted thiol group, an optionally substituted hydrocarbon group, or an optionally substituted heterocyclic group, provided that R6 and R7 may be united to form a ring; and R8 is a hydrogen atom or an optionally substituted hydrocarbon group, or a salt thereof, to a ring-closing reaction.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: May 20, 2003
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Tatsuya Ito, Tomomi Ikemoto, Kiminori Tomimatsu
  • Publication number: 20030069419
    Abstract: A method for producing a compound of the formula: 1
    Type: Application
    Filed: April 19, 2002
    Publication date: April 10, 2003
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu, Yasuhiro Sawai, Hirohiko Nishiyama, Yasushi Isogami
  • Publication number: 20030040632
    Abstract: A process suitable for safely mass-producing, through a short step, cyclic compounds useful in medicines, agricultural chemicals, foods, cosmetics, and chemical products or as intermediates therefor.
    Type: Application
    Filed: August 19, 2002
    Publication date: February 27, 2003
    Inventors: Tomomi Ikemoto, Tatsuya Ito, Kiminori Tomimatsu
  • Publication number: 20010051631
    Abstract: Tricyclic compound of the formula: 1
    Type: Application
    Filed: June 4, 2001
    Publication date: December 13, 2001
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 6251905
    Abstract: Tricyclic compound of the formula: wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted mecapto group, excluding for methyl group as Y; R1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group or an acyl group, or a salt thereof, having excellent PDGF-inhibiting activities, antihypertensive activities, activities of ameliorating renal diseases and activities of lowering lipid level.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: June 26, 2001
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 5958942
    Abstract: Tricyclic compound of the formula: ##STR1## wherein ring A is a nitrogen-containing heterocyclic ring, having two nitrogen atoms as the hetero-atoms, which is optionally substituted with oxo or thioxo; ring Q may optionally be substituted; Y is an optionally substituted hydrocarbon group, an optionally substituted hydroxyl group or an optionally substituted mecapto group, excluding for methyl group as Y; R.sup.1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group or an acyl group, or a salt thereof, having excellent PDGF-inhibiting activities, antihypertensive activities, activities of ameliorating renal diseases and activities of lowering lipid level.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: September 28, 1999
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yumiko Shibouta, Kiminori Tomimatsu, Tetsuji Kawamoto
  • Patent number: 5767121
    Abstract: There is disclosed a pharmaceutical composition for providing antiinflammatory, antipyretic, analgesic, antiallergic, immunosuppressing or immunomodulating activity which comprises a pyridine derivative of the formula (I): ##STR1## wherein R is an optionally substituted pyridine ring, X is a oxygen atom or --S(O).sub.n --, wherein n is 0, 1 or 2, A is a bivalent C.sub.1-15 hydrocarbon residue whose branched moiety may have a substituent, Y is an oxygen or sulfur atom, R.sub.3 is a hydrogen atom or an optionally substituted hydrocarbon residue, R.sub.4 is an optionally substituted hydrocarbon residue or an optionally substituted monocyclic or bicyclic heterocyclic group, R.sub.3 and R.sub.4 may be joined together with the carbamoyl group or the thiocarbamoyl group to which they are attached to form an optionally substituted heterocyclic group, or R.sub.3 or R.sub.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: June 16, 1998
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Taketoshi Saijo, Kiminori Tomimatsu
  • Patent number: 5587383
    Abstract: A calmodulin inhibitory composition containing a compound of the formula (I): ##STR1## as well as an angiogenesis inhibitory composition containing a compound of the formula (1): ##STR2## are disclosed.
    Type: Grant
    Filed: February 10, 1995
    Date of Patent: December 24, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Yoshio Kozai, Kiminori Tomimatsu, Yumiko Shibouta
  • Patent number: 5561147
    Abstract: There is disclosed a pharmaceutical composition for providing antiinflammatory, antipyretic, analgesic, antiallergic, immunosuppressing or immunomodulating activity which comprises a pyridine derivative of the formula (I): ##STR1## wherein R is an optionally substituted pyridine ring, X is a oxygen atom or --S(O).sub.n --, wherein n is 0, 1 or 2, A is a bivalent C.sub.1-15 hydrocarbon residue whose branched moiety may have a substituent, Y is an oxygen or sulfur atom, R.sub.3 is a hydrogen atom or an optionally substituted hydrocarbon residue, R.sub.4 is an optionally substituted hydrocarbon residue or an optionally substituted monocyclic or bicyclic heterocyclic group, R.sub.3 and R.sub.4 may be joined together with the carbamoyl group or the thiocarbamoyl group to which they are attached to form an optionally substituted heterocyclic group, or R.sub.3 or R.sub.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: October 1, 1996
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Taketoshi Saijo, Kiminori Tomimatsu
  • Patent number: 5457106
    Abstract: There is disclosed a pharmaceutical composition for providing antiinflammatory, antipyretic, analgesic, antiallergic, immunosuppressing or immunomodulating activity which comprises a pyridine derivative of the formula (I): ##STR1## wherein R is an optionally substituted pyridine ring, X is a oxygen atom or --S(O).sub.n --, wherein n is 0, 1 or 2, A is a bivalent C.sub.1-15 hydrocarbon residue whose branched moiety may have a substituent, Y is an oxygen or sulfur atom, R.sub.3 is a hydrogen atom or an optionally substituted hydrocarbon residue, R.sub.4 is an optionally substituted hydrocarbon residue or an optionally substituted monocyclic or bicyclic heterocyclic group, R.sub.3 and R.sub.4 may be joined together with the carbamoyl group or the thiocarbamoyl group to which they are attached to form an optionally substituted heterocyclic group, or R.sub.3 or R.sub.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: October 10, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Muneo Takatani, Taketoshi Saijo, Kiminori Tomimatsu
  • Patent number: 5395839
    Abstract: A calmodulin inhibitory composition containing a compound of the formula (I): ##STR1## as well as an angiogenesis inhibitory composition containing a compound of the formula (1): ##STR2## are disclosed.
    Type: Grant
    Filed: June 9, 1993
    Date of Patent: March 7, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Takatani Muneo, Yoshio Kozai, Kiminori Tomimatsu, Yumiko Shibouta