Patents by Inventor Nobuhiko Fushimi

Nobuhiko Fushimi 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: 7541341
    Abstract: The present invention provides glucopyranosyloxybenzylbenzene derivatives represented by the general formula: wherein P represents a hydrogen atom or a group forming a prodrug; R1 represents a hydrogen atom, an optionally substituted amino group, a carbamoyl group, an optionally substituted lower alkyl group, an optionally substituted lower alkoxy group, etc.; R2 represents a hydrogen atom or a lower alkyl group; and R3 represents an optionally substituted lower alkyl group, an optionally substituted lower alkoxy group, an optionally substituted lower alkylthio group, etc., which have an improved oral absorption, and exert an inhibitory activity in human SGLT2, and therefore are useful as drugs for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, or pharmaceutically acceptable salts thereof, and pharmaceutical uses thereof.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: June 2, 2009
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Nobuhiko Fushimi, Kazuya Tatani, Hideki Fujikura, Toshihiro Nishimura, Minoru Fujioka, Takeshi Nakabayashi, Masayuki Isaji
  • Publication number: 20090093419
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R represents a hydrogen atom, a lower alkyl group or a group forming a prodrug; one of Q and T represents a group represented by the general formula: (wherein P represents a hydrogen atom or a group forming a prodrug), while the other represents a lower alkyl group or a halo(lower alkyl) group; R2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a halo(lower alkyl) group or a halogen atom; and with the proviso that P does not represent a hydrogen atom when R represents a hydrogen atom or a lower alkyl group, or pharmaceutically acceptable salts thereof, which exert an inhibitory activity in human SGLT2 and have an improved oral absorption, and therefore are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, and pharmaceutically acceptable salts thereof
    Type: Application
    Filed: July 9, 2008
    Publication date: April 9, 2009
    Applicant: Kissei Pharmaceutical Co. Ltd.
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Toshihiro Nishimura, Takeshi Nakabayashi, Masayuki Isaji
  • Publication number: 20090074738
    Abstract: A compound having an SGLT1 and/or SGLT2 inhibitory activity which is usable as an agent for the prevention or treatment of diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications, obesity, etc. It is a 1-substituted-3-(?-D-glycopyranosyl) nitrogen-containing heterocyclic compound represented by the general formula (I), a prodrug thereof, or a pharmaceutically acceptable salt thereof, or a hydrate or a solvate thereof; an SGLT inhibitor containing the same; a pharmaceutical composition containing the same and a combination pharmacy of them. In the formula, A represents an alkylene group or alkenylene group; B represents a single bond, —O—, —S— or —NH—; C represents an optionally substituted aryl or heteroaryl group; Q independently represents a carbon atom which a hydrogen atom or a substituent binds to, or a nitrogen atom.
    Type: Application
    Filed: November 17, 2005
    Publication date: March 19, 2009
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Shigeru Yonekubo, Nobuhiko Fushimi
  • Publication number: 20090062518
    Abstract: The present invention relates to a method for preparing the glucopyranosyloxypyrazole derivatives which are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications, obesity or the like. A glucopyranosyloxypyrazole derivative can be easily and efficiently prepared by allowing a benzylpyrazole derivative represented by the general formula: wherein R1, R2, R3, R4 and R5 may be the same or different, for example each of them is a hydrogen atom, a halogen atom or an alkyl, alkoxy, arylmethyloxy group or the like, R6 is an alkyl group, for example R7 is a hydrogen atom or an alkyl, alkoxy, arylmethyloxy group or the like, to react with a compound represented by the general formula: wherein as an example, PG1 is a pivaloyl group or the like, as an example, X1 is a bromine atom or the like, therefore the present invention is extremely useful as a method for preparing pharmaceutical compounds.
    Type: Application
    Filed: March 16, 2006
    Publication date: March 5, 2009
    Applicant: Kissei Pharmaceutical Co., Ltd,
    Inventors: Kiyoshi Kasai, Tetsuji Ozawa, Nobuhiko Fushimi, Hidetoshi Isawa, Ken Kikuchi, Masahiro Kobayashi, Junichi Sonehara, Minoru Kubota
  • Publication number: 20090054356
    Abstract: [Objective] The present invention provides a compound having an SGLT1 and/or SGLT2 inhibitory activity which is usable as an agent for the prevention or treatment of diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications, obesity or the like. [Means to Solve the Problem] It is a 1-substituted-7-(?-D-glycopyranosyloxy)(aza)-indole compound represented by the general formula (I), a prodrug thereof, or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof: wherein R1 represents a halogen atom or the like; n represents j an integer number from 0 to 3; R2 represents a hydrogen atom or the like; X represents a carbon atom which a hydrogen atom or the like binds to, or a nitrogen atom; Q represents an alkylene group or an alkenylene group each of which may have an oxygen atom or a sulfur atom in the chain; and A represents an aryl or heteroaryl group which may have a substituent.
    Type: Application
    Filed: February 14, 2006
    Publication date: February 26, 2009
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Nobuhiko Fushimi, Shigeru Yonekubo, Kohsuke Ohno
  • Publication number: 20080312153
    Abstract: The present invention provides pyrazole derivatives represented by the general formula: wherein R1 represents H, an optionally substituted C1-6 alkyl group etc.; one of Q and T represents a group represented by the general formula: or a group represented by the general formula: while the other represents an optionally substituted C1-6 alkyl group etc.; R2 represents H, a halogen atom, OH, an optionally substituted C1-6 alkyl group etc.; X represents a single bond, O or S; Y represents a single bond, a C1-6 alkylene group etc.; Z represents CO or SO2; R4 and R5 represent H, an optionally substituted C1-6 alkyl group etc.; and R3, R6 and R7 represent H, a halogen atom etc.
    Type: Application
    Filed: April 17, 2008
    Publication date: December 18, 2008
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Hirotaka Teranishi, Nobuhiko Fushimi, Shigeru Yonekubo, Kazuo Shimizu, Toshihide Shibazaki, Masayuki Isaji
  • Patent number: 7465712
    Abstract: The present invention relates to glucopyranosyloxybenzylbenzene derivatives represented by the general formula: wherein R1 represents a hydrogen atom or a hydroxy(lower alkyl) group; and R2 represents a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a hydroxy(lower alkyl) group, a hydroxy(lower alkoxy) group, a hydroxy(lower alkylthio) group etc., and salts thereof, which have an excellent inhibitory activity in human SGLT2 and are useful as agents for the prevention or treatment of diabetes, obesity etc., and intermediates thereof.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: December 16, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Toshihiro Nishimura, Kazuya Tatani
  • Patent number: 7465713
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R represents a hydrogen atom, a lower alkyl group or a group forming a prodrug; one of Q and T represents a group represented by the general formula: (wherein P represents a hydrogen atom or a group forming a prodrug), while the other represents a lower alkyl group or a halo(lower alkyl) group; R2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a halo(lower alkyl) group or a halogen atom; and with the proviso that P does not represent a hydrogen atom when R represents a hydrogen atom or a lower alkyl group, or pharmaceutically acceptable salts thereof, which exert an inhibitory activity in human SGLT2 and have an improved oral absorption, and therefore are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, and pharmaceutically acceptable salts there
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: December 16, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Toshihiro Nishimura, Takeshi Nakabayashi, Masayuki Isaji
  • Patent number: 7429568
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R represents a hydrogen atom, a lower alkyl group or a group forming a prodrug; one of Q and T represents a group represented by the general formula: (wherein P represents a hydrogen atom or a group forming a prodrug), while the other represents a lower alkyl group or a halo(lower alkyl) group; R2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a halo(lower alkyl) group or a halogen atom; and with the proviso that P does not represent a hydrogen atom when R represents a hydrogen atom or a lower alkyl group, or pharmaceutically acceptable salts thereof, which exert an inhibitory activity in human SGLT2 and have an improved oral absorption, and therefore are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, and pharmaceutically acceptable salts thereo
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: September 30, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Toshihiro Nishimura, Takeshi Nakabayashi, Masayuki Isaji
  • Publication number: 20080188426
    Abstract: The present invention provides nitrogen-containing fused-ring derivatives represented by the following general formula, or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an excellent inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications or obesity, in the formula R1 represent H, an optionally substituted alkyl group, an alkenyl group, etc.; R2 represent H, a halogen atom or an alkyl group; R3 and R4 represent H, OH, a halogen atom, an optionally substituted alkyl group, etc.; Y represents CH or N; Q represents alkylene, alkenylene, etc.; ring A represents an aryl group or a heteroaryl group; G represents a group represented by the following general formula (G-1) or (G-2) (in which E1 represents H, F or OH; and E2 represents H, F, a methyl group, etc.
    Type: Application
    Filed: February 15, 2008
    Publication date: August 7, 2008
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Nobuhiko FUSHIMI, Hirotaka Teranishi, Kazuo Shimizu, Shigeru Yonekubo, Fumiaki Ito, Masayuki ISAJI
  • Patent number: 7393838
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R represents a hydrogen atom, a lower alkyl group or a group forming a prodrug; one of Q and T represents a group represented by the general formula: (wherein P represents a hydrogen atom or a group forming a prodrug), while the other represents a lower alkyl group or a halo(lower alkyl) group; R2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a halo(lower alkyl) group or a halogen atom; and with the proviso that P does not represent a hydrogen atom when R represents a hydrogen atom or a lower alkyl group, or pharmaceutically acceptable salts thereof, which exert an inhibitory activity in human SGLT2 and have an improved oral absorption, and therefore are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, and pharmaceutically acceptable salts there
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: July 1, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Toshihiro Nishimura, Takeshi Nakabayashi, Masayuki Isaji
  • Patent number: 7375087
    Abstract: The present invention provides pyrazole derivatives represented by the general formula: wherein R1 represents H, an optionally substituted C1-6 alkyl group etc.; one of Q and T represents a group represented by the general formula: or a group represented by the general formula: while the other represents an optionally substituted C1-6 alkyl group etc.; R2 represents H, a halogen atom, OH, an optionally substituted C1-6 alkyl group etc.; X represents a single bond, O or S; Y represents a single bond, a C1-6 alkylene group etc.; Z represents CO or SO2; R4 and R5 represent H, an optionally substituted C1-6 alkyl group etc.; and R3, R6 and R7 represent H, a halogen atom etc.
    Type: Grant
    Filed: August 7, 2003
    Date of Patent: May 20, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hirotaka Teranishi, Nobuhiko Fushimi, Shigeru Yonekubo, Kazuo Shimizu, Toshihide Shibazaki, Masayuki Isaji
  • Patent number: 7375113
    Abstract: The present invention provides nitrogen-containing fused-ring derivatives represented by the following general formula, or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an excellent inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications or obesity, in the formula R1 represent H, an optionally substituted alkyl group, analkenyl group, etc.; R2 represent H, a halogen atom or an alkyl group; R3 and R4 represent H, OH, a halogen atom, an optionally substituted alkyl group, etc.; Y represents CH or N; Q represents alkylene, alkenylene, etc.; ring A represents an aryl group or a heteroaryl group; G represents a group represented by the following general formula (G-1) or (G-2) (in which E1 represents H, F or OH; and E2 represents H, F, a methyl group, etc.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: May 20, 2008
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Nobuhiko Fushimi, Hirotaka Teranishi, Kazuo Shimizu, Shigeru Yonekubo, Fumiaki Ito, Masayuki Isaji
  • Patent number: 7294618
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R1, R2 and R3 represent a hydrogen atom or a halogen atom; R4 represents a lower alkyl group or a halo(lower alkyl) group; and R5 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, etc., a pharmaceutically acceptable salt thereof or a prodrug thereof., which exert an excellent inhibitory activity in human SGLT2, and therefore are useful as drugs for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic complications or obesity, pharmaceutically acceptable salts thereof or prodrugs thereof, production intermediates thereof and pharmaceutical uses thereof.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: November 13, 2007
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Nobuhiko Fushimi, Hideki Fujikura, Toshihiro Nishimura, Kenji Katsuno, Masayuki Isaji
  • Patent number: 7271153
    Abstract: The present invention provides nitrogen-containing heterocyclic derivatives represented by the general formula: wherein X1 and X3 independently represent N or CH; X2 represents N or CR2; X4 represents N or CR3; and with the proviso that one or two of X1, X2, X3 and X4 represent N; R1 represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a lower alkylthio group, a lower alkoxy-substituted (lower alkyl) group, a lower alkoxy-substituted (lower alkoxy) group, a lower alkoxy(lower alkoxy)-substituted (lower alkyl) group, a cyclic lower alkyl group, a halo(lower alkyl) group or a group represented by the general formula: HO-A- wherein A represents a lower alkylene group, a lower alkyleneoxy group or a lower alkylenethio group; R2 represents a hydrogen atom, a halogen atom, a lower alkyl group, a cyclic lower alkyl group, a lower alkoxy group, an amino group, a (lower acyl)amino group, a mono(lower alkyl)amino group or a di(lower alkyl)amino group; and R3 represents a hydrogen a
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: September 18, 2007
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Toshihiro Nishimura, Hideki Fujikura, Nobuhiko Fushimi, Kazuya Tatani, Kenji Katsuno, Masayuki Isaji
  • Publication number: 20070197449
    Abstract: The present invention provides nitrogen-containing fused cyclic derivatives represented by the following general formula or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an excellent inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications or obesity, in the formula one of R1 and R4 represents a group represented by the following general formula (S) (in which R5 and R6 represent H, OH, a halogen atom, etc.; Q represents an alkylene group etc.; and ring A represents an aryl group etc.), and the other represents H, OH, an amino group, etc.; R2 and R3 represent H, OH, an amino group, a halogen atom, and an optionally substituted alkyl group, etc.; A1 represents O, S, etc.
    Type: Application
    Filed: March 3, 2005
    Publication date: August 23, 2007
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Nobuhiko Fushimi, Hideki Fujikura, Masayuki Isaji
  • Publication number: 20070197450
    Abstract: The present invention provides fused heterocyclic derivatives represented by the following general formula (I) or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications or obesity, in the formula R1 to R4 represent H, OH, an amino group, etc.; R5 and R6 represent H, OH, a halogen atom, an option ally substituted alkyl group, etc.; Q represents alkylene, alkenylene, etc.; ring A represents an aryl group or a heteroaryl group; the following ring (R1) represents a group represented by the following ring (R2); G represents a group represented by the following general formula (G-1) or (G-2) (E1 represents H, F or OH; and E represents H, F, a methyl group, etc.), and pharmaceutical compositions comprising the same, and pharmaceutical uses thereof.
    Type: Application
    Filed: March 3, 2005
    Publication date: August 23, 2007
    Inventors: Nobuhiko Fushimi, Masayuki Isaji, Hideki Fujikura
  • Publication number: 20070191289
    Abstract: The present invention provides nitrogen-containing fused-ring derivatives represented by the following general formula, or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an excellent inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications or obesity, in the formula R1 represent H, an optionally substituted alkyl group, analkenyl group, etc.; R2 represent H, a halogen atom or an alkyl group; R3 and R4 represent H, OH, a halogen atom, an optionally substituted alkyl group, etc.; Y represents CH or N; Q represents alkylene, alkenylene, etc.; ring A represents an aryl group or a heteroaryl group; G represents a group represented by the following general formula (G-1) or (G-2) (in which E1 represents H, F or OH; and E2 represents H, F, a methyl group, etc.
    Type: Application
    Filed: March 3, 2005
    Publication date: August 16, 2007
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Nobuhiko Fushimi, Hirotaka Teranishi, Kazuo Shimizu, Shigeru Yoneku, Fumiaki Ito, Masayuki Isaji
  • Publication number: 20070185197
    Abstract: The present invention provides phenol derivatives represented by the following general formula or pharmaceutically acceptable salts thereof, or prodrugs thereof, which exhibit an inhibitory activity in human SGLT and are useful as agents for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, postprandial hyperglycemia, impaired glucose tolerance, diabetic complications, obesity or the like, and pharmaceutical compositions comprising the same, and pharmaceutical uses thereof. In the chemical structure, R1 and R2 represent H, OH, NH2, etc.; R3and R4represent H, OH, a halogen atom, an optionally substituted alkyl group, etc.; ring A represents an aryl group or a heteroaryl group; G represents a group represented by the following general formula (G); E1 represents H or F; and E2 represents H, F, or a methyl group, etc.
    Type: Application
    Filed: March 30, 2005
    Publication date: August 9, 2007
    Inventors: Hideki Fujikura, Nobuhiko Fushimi, Masayuki Isaji
  • Patent number: 7217697
    Abstract: The present invention provides glucopyranosyloxypyrazole derivatives represented by the general formula: wherein R1 is a hydrogen atom or a hydroxyalkyl group; one of Q and T is a group represented by the general formula; the other is an optionally substituted alkyl group or a cycloalkyl group; and R2 is a halogen atom, a hydroxy group, an optionally substituted alkyl group, an optionally substituted alkoxy group, an alkylthio group, a group of the general formula: -A-R3 wherein A is a single bond, an oxygen atom, a methylene group, an ethylene group, —OCH2— or —CH2O—; and R3 is a cycloalkyl group, a heterocycloalkyl group, an optionally substituted aryl group, an optionally substituted tiazolyl group or an optionally substituted pyridyl group, pharmaceutically acceptable salts thereof or prodrugs thereof, which exert an excellent inhibitory activity in human SGLT1, and therefore are useful as drugs for the prevention or treatment of a disease associated with hyperglycemia such as diabetes, diabetic
    Type: Grant
    Filed: May 27, 2002
    Date of Patent: May 15, 2007
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hiroaki Shiohara, Hideki Fujikura, Nobuhiko Fushimi, Fumiaki Ito, Masayuki Isaji