Patents Assigned to Kissei Pharmaceutical Co., Ltd.
  • Patent number: 8829040
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to (aza)indole derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: September 9, 2014
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Publication number: 20140243311
    Abstract: The present invention provides compounds represented by the general formula (I): or pharmaceutical acceptable salts thereof, wherein R1 is cyano or the like; R2 and R3 are hydrogen or the like; R4 is C1-6 alkyl or the like; R5 is C1-6 alkyl, halo-C1-6 alkyl, cycloalkyl, cycloalkyl-C1-6 alkyl, aralkyl or the like; R6 and R7 are each hydrogen, C1-6 alkyl, halo-C1-6 alkyl, cycloalkyl, C1-6 alkoxy-C1-6 alkyl, R12R13N—C1-6 alkyl or the like, which exhibit potent dopamine D2 receptor stimulating activities. The present invention also provides pharmaceutical compositions containing said compound, and uses thereof.
    Type: Application
    Filed: March 12, 2012
    Publication date: August 28, 2014
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Toshihiro Nishimura, Hirotaka Teranshi, Masako Yoshida, Yasunori Ueno, Kiyoshi Kasai
  • Patent number: 8815903
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a benzene ring, a pyridine ring, or the like; Y1 represents a C1-6 alkylene group or the like; Y2 represents a single bond or the like; Z represents —C(?O)—NHSO2R6, an acidic 5-membered hetero ring group, or the like; R1 represents a hydrogen atom or the like; R2 represents a phenyl group, a 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], or a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 26, 2014
    Assignees: Kissei Pharmaceutical Co., Ltd., Kyorin Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Patent number: 8796247
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a pyridine ring, a furan ring, or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents —C(?O)—NH—SO2R6, an acidic 5-membered hetero ring group, or the like; R2 represents an optionally substituted phenyl group, an optionally substituted 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], and a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 5, 2014
    Assignees: Kissei Pharmaceutical Co., Ltd., Kyorin Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Publication number: 20140179932
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to (aza)indole derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Application
    Filed: February 28, 2014
    Publication date: June 26, 2014
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Patent number: 8748452
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level and the like. That is, the present invention relates to indolizine derivatives represented by the following formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, salts thereof or the like. In the formula, ring U represents aryl or heteroaryl; R1 represents halogen, a hydroxy group or the like; R2 represents halogen, a hydroxy group, alkyl, alkoxy, alkyl substituted by fluorine, alkoxy substituted by fluorine or the like; m represents a number from 0 to 2; n represents a number from 0 to 3; and R3 represents hydrogen, fluorine or the like.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: June 10, 2014
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuo Shimizu, Masato Iizuka, Yasushi Takigawa
  • Patent number: 8680120
    Abstract: A compound (I) of the present invention, which has an EP1 receptor antagonism: [wherein A represents a benzene ring or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents a hydrogen atom, a C1-6 alkyl group or the like; R2 represents a phenyl group which may have a substituent, a 5-membered aromatic heterocyclic ring which may have a substituent, a 6-membered aromatic heterocyclic ring which may have a substituent or the like; R3 represents a halogen atom, a C1-6 alkoxy group or the like; R4 represents a hydrogen atom or the like; and R5 represents a hydrogen atom or the like] or a pharmaceutically acceptable salt thereof is provided. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: March 25, 2014
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Naohiro Kawamura, Tatsuhiro Kondo, Atsushi Kondo
  • Publication number: 20140018335
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a pyridine ring, a furan ring, or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents —C(?O)—NH—SO2R6, an acidic 5-membered hetero ring group, or the like; R2 represents an optionally substituted phenyl group, an optionally substituted 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], and a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Application
    Filed: January 24, 2012
    Publication date: January 16, 2014
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Publication number: 20130331378
    Abstract: A pyrazolopyridine derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof exhibits a strong EP1 receptor antagonistic effect. Thus, the derivative or the pharmacologically acceptable salt is useful as a therapeutic agent for lower urinary tract symptoms (LUTS), particularly, overactive bladder syndrome (OABs), or a prophylactic agent therefor and furthermore, is also useful in the treatment, prevention, or suppression of various pathological conditions in which the EP1 receptor is involved, such as inflammatory disease, pain disease, osteoporosis, and cancer. [A is a benzene ring or the like, Y1 is C1-6 alkylene, R1 is —C(?O)—OZ1 or the like, Z1 is H or the like, R2 is a branched C3-6 alkyl group or the like, R3 is H or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like].
    Type: Application
    Filed: January 25, 2012
    Publication date: December 12, 2013
    Applicants: KISSEI PHARMACEUTICAL CO., LTD., KYORIN PHARMACEUTICAL CO., LTD.
    Inventors: Shigeki Seto, Kentaro Umei, Yosuke Nishigaya, Asao Tanioka, Tatsuhiro Kondo, Atsushi Kondo, Kazuya Tatani, Naohiro Kawamura
  • Publication number: 20130252955
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to (aza)indole derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Application
    Filed: May 16, 2013
    Publication date: September 26, 2013
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Publication number: 20130217878
    Abstract: (Aza)indolizine derivatives represented by Formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, salts thereof or the like. In Formula (I), 0 to 2 of X1, X2, X3 and X4 are a nitrogen atom and the others are CR1; one of T1 and T2 represents cyano and the other represents a group represented by Formula (A), with the proviso that when T1 is cyano, at least one of X1 to X4 is a nitrogen atom; R1 independently represents a hydrogen atom, a halogen atom, a hydroxy group, C1-6 alkyl, C1-6 alkoxy or the like; ring U represents a benzene ring or the like; m represents integral number from 0 to 2; R2 independently represents a fluorine atom, a hydroxy group or the like.
    Type: Application
    Filed: September 28, 2011
    Publication date: August 22, 2013
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Masato Iizuka, Kazuo Shimizu
  • Patent number: 8466152
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal serum uric acid level which has a uricosuric activity or the like. The present invention relates to (aza)indole derivatives represented by the following general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: June 18, 2013
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Patent number: 8426427
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a sex hormone-dependent disease or the like. That is, the present invention provides fused heterocyclic derivatives represented by the following general formula (I) which has a GnRH antagonistic activity, pharmaceutical compositions containing the same, medicinal uses thereof and the like. In the formula (I), rings A is 5-membered cyclic unsaturated hydrocarbon or 5-membered heteroaryl; RA is halogen, alkyl, alkenyl, alkynyl, carboxy, alkoxy, carbamoyl, alkylcarbamoyl, etc.; ring B is aryl or heteroaryl; RB is halogen, alkyl, carboxy, alkoxy, carbamoyl, alkylcarbamoyl, etc.; E1 and E2 are oxygen atom, etc.; Q is hydrogen atom, alkyl, alkylsulfonyl, acyl, etc.; X is -(alkylene)-Z, —CO—Y, —SO2—Y, etc. (in which Y is Z or amino, etc.; Z is cycloalkyl, heterocycloalkyl, aryl, heteroaryl, etc.
    Type: Grant
    Filed: April 16, 2008
    Date of Patent: April 23, 2013
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kohsuke Ohno, Noboru Kamada
  • Patent number: 8399418
    Abstract: The present invention provides a novel form of 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide with improved storage stability. Since bis[3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide]monosebacate has extremely excellent storage stability, it is useful as a drug substance. Furthermore, it shows an extremely good crystalline property and can be purified by a convenient method, and therefore is suitable for the industrial preparation.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: March 19, 2013
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Takeuchi, Eiji Tsuru
  • Publication number: 20130059867
    Abstract: An objective of the present invention is to improve the solubility of 3-[2-fluoro-5-(2,3-difluoro-6-methoxybenzyloxy)-4-methoxyphenyl]-2,4-dioxo-1,2,3,4-tetrahydrothieno[3,4-d]pyrimidine-5-carboxylic acid. The present invention provides 342-fluoro-5-(2,3-difluoro-6-methoxybenzyl-oxy)-4-methoxyphenyl]-2,4-dioxo-1,2,3,4-tetrahydrothieno[3,4-d]pyrimidine-5-carboxylic acid choline salt has excellent solubility and storage stability.
    Type: Application
    Filed: February 9, 2011
    Publication date: March 7, 2013
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazumichi Jo, Hideki Takeuchi
  • Patent number: 8354382
    Abstract: The present invention provides a novel form of 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}propylamino)-2,2-dimethylpropionamide with improved storage stability. Since 3-(3-{4-[3-(?-D-glucopyranosyloxy)-5-isopropyl-1H-pyrazol-4-ylmethyl]-3-methylphenoxy}-propylamino)-2,2-dimethylpropionamide hemifumarate dihydrate has extremely excellent storage stability, it is useful as a drug substance. Furthermore, it shows an extremely good crystalline property and can be purified by a convenient method, and therefore is suitable for the industrial preparation.
    Type: Grant
    Filed: April 13, 2009
    Date of Patent: January 15, 2013
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Hideki Takeuchi, Eiji Tsuru
  • Patent number: 8324176
    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 an optionally substituted C1-6 alkylene group etc.; Z represents —RB, —CORC etc. in which RB represents an optionally substituted C1-6 alkyl group etc.; and RC represents an optionally substituted C1-6 alkyl group etc.; R4 represents H, an optionally substituted C1-6 alkyl group etc.; and R3, R5 and R6 represent H, a halogen atom etc.
    Type: Grant
    Filed: April 9, 2009
    Date of Patent: December 4, 2012
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Nobuhiko Fushimi, Kazuo Shimizu, Shigeru Yonekubo, Hirotaka Teranishi, Masaki Tomae, Masayuki Isaji
  • Publication number: 20120289506
    Abstract: 5-membered heterocyclic derivatives represented by general formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of serum uric acid level, prodrugs thereof, or salts thereof. In the formula (I), T represents nitro, cyano and the like; ring J represents aryl or heteroaryl; Q represents carboxy, 5-tetazolyl and the like; Y represents H, OH, NH2, halogen, haloalkyl and the like; X1 and X2 independently represent CR2 or N; R2 represents H, alkyl and the like; R1 represents halogen, cyano, haloalkyl, A-D-E-G-L-M, —N(-D-L-M)2 and the like, A represents a single bond, O, S and the like; D, G and M independently represent optionally substituted alkylene, cycloalkylene, heterocycloalkylene, arylene, heteroarylene and the like; E and L independently represent a single bond, O, S, COO, SO2 and the like.
    Type: Application
    Filed: June 12, 2012
    Publication date: November 15, 2012
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuo Shimizu, Yasushi Takigawa, Hideki Fujikura, Masato Iizuka, Masahiro Hiratochi, Norihiko Kikuchi
  • Patent number: 8263622
    Abstract: The present invention provides compounds useful as agents for the prevention or treatment of a disease associated with abnormal plasma uric acid level and the like. The present invention relates to fused ring derivatives represented by the following formula (I) having xanthine oxidase inhibitory activities and useful as agents for the prevention or treatment of a disease associated with abnormality of plasma uric acid level, prodrugs thereof, salts thereof or the like. In the formula (I), X1 and X2 represent CH or N; ring U represents aryl or heteroaryl; m represents integral number from 0 to 2; n represents integral number from 0 to 3; R1 represents a hydroxy group, amino or C1-6 alkyl; R2 represents C1-6 alkyl, C1-6 alkoxy C1-6 alkyl or the like.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: September 11, 2012
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuo Shimizu, Masato Iizuka, Hideki Fujikura, Yasushi Takigawa, Masahiro Hiratochi
  • Patent number: 8258162
    Abstract: The present invention provides compounds represented by general formula (I): or pharmaceutical acceptable salts thereof, wherein R1 and R2 are each hydrogen, lower acyl, lower alkoxycarbonyl or the like; R3 is lower alkyl, halo-lower alkyl, cycloalkyl, heterocycloalkyl, optionally substituted aryl, optionally substituted heteroaryl or the like; R4 is cyano, lower alkoxycarbonyl, carboxy or the like, which exhibit potent COMT inhibitory activities. The present invention also provides pharmaceutical compositions containing said compound, and uses thereof.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: September 4, 2012
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Takehiro Ishikawa, Satoko Kobayashi, Hitoshi Inoue, Yasunori Ueno, Masako Yoshida, Nobuyuki Tanaka