Patents by Inventor Junya Shirai
Junya Shirai 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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Publication number: 20160002169Abstract: The present invention provides a heterocyclic compound having a ROR?t inhibitory action. The present invention relates to a compound represented by the formula (I): wherein each symbol is as defined in the specification. or a salt thereof.Type: ApplicationFiled: June 30, 2015Publication date: January 7, 2016Inventors: Satoshi YAMAMOTO, Junya SHIRAI, Tsuneo ODA, Mitsunori KONO, Atsuko OCHIDA, Takashi IMADA, Hidekazu TOKUHARA, Yoshihide TOMATA, Naoki ISHII, Michiko TAWADA, Yoshiyuki FUKASE, Tomoya YUKAWA, Shoji FUKUMOTO
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Patent number: 9156837Abstract: A heterocyclic compound having an ROR?t inhibitory activity, which is a compound of formula (I) or a salt thereof is provided. The compound has ring A, which is an optionally substituted cyclic group and is bound to a pyrazole ring though Q. Q is a bond, optionally substituted C1-10 alkylene, optionally substituted C2-10 alkenylene, or optionally substituted C2-10 alkynylene. R1 is a substituent. Ring B is a thiazole ring, an isothiazole ring or a dihydrothiazole ring, each of which is optionally further substituted by a substituent in addition to R2.Type: GrantFiled: July 27, 2012Date of Patent: October 13, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Satoshi Yamamoto, Junya Shirai, Atsuko Ochida, Yoshiyuki Fukase, Yoshihide Tomata, Ayumu Sato, Shotaro Miura, Kazuko Yonemori, Ryokichi Koyama
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Patent number: 9120776Abstract: The present invention provides a fused heterocyclic compound having an ROR?t inhibitory action. The present invention relates to a compound represented by the formula (I?): wherein each symbol is as defined in the specification, provided that 2-(2-((4-cyanophenyl)amino)-2-oxoethoxy)-N-(9-ethyl-9H-carbazol-3-yl)acetamide and N-(4-cyanophenyl)-N?-(9-ethyl-9H-carbazol-3-yl)-3-methylpentanediamide are excluded, or a thereof.Type: GrantFiled: September 21, 2012Date of Patent: September 1, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Satoshi Yamamoto, Junya Shirai, Yoshiyuki Fukase, Yoshihide Tomata, Ayumu Sato, Atsuko Ochida, Kazuko Yonemori, Hideyuki Nakagawa
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Publication number: 20150238506Abstract: The present invention relates to a serotonin 5-HT2C receptor activator containing a compound represented by the formula wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent(s), and ring B is a 7- to 9-membered ring optionally having substituent(s) other than an oxo group wherein the combination of m and n (m,n) is (1,2), (2,1), (2,2), (3,1), (3,2) or (4,1), or a salt thereof or a prodrug thereof, and a fused heterocyclic compound having a serotonin 5-HT2C receptor activating action and the like.Type: ApplicationFiled: May 11, 2015Publication date: August 27, 2015Inventors: Junya SHIRAI, Tomokazu KUSUMOTO, Hiroyuki NAGAMIYA, Izumi KAMO
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Publication number: 20140228409Abstract: The present invention provides a fused heterocyclic compound having an ROR?t inhibitory action. The present invention relates to a compound represented by the formula (I?): wherein each symbol is as defined in the specification, provided that 2-(2-((4-cyanophenyl)amino)-2-oxoethoxy)-N-(9-ethyl-9H-carbazol-3-yl)acetamide and N-(4-cyanophenyl)-N?-(9-ethyl-9H-carbazol-3-yl)-3-methylpentanediamide are excluded, or a salt thereof.Type: ApplicationFiled: September 21, 2012Publication date: August 14, 2014Inventors: Satoshi Yamamoto, Junya Shirai, Yoshiyuki Fukase, Yoshihide Tomata, Ayumu Sato, Atsuko Ochida, Kazuko Yonemori, Hideyuki Nakagawa
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Publication number: 20140163001Abstract: Provided is a heterocyclic compound having an ROR?t inhibitory activity.Type: ApplicationFiled: July 27, 2012Publication date: June 12, 2014Applicant: Takeda Pharmaceutical Company LimitedInventors: Satoshi Yamamoto, Junya Shirai, Atsuko Ochida, Yoshiyuki Fukase, Yoshihide Tomata, Ayumu Sato, Shotaro Miura, Kazuko Yonemori, Ryokichi Koyama
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Patent number: 8592454Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle; ring B is an aromatic ring optionally having substituent(s); ring D is an aromatic ring optionally having substituent(s); L is a group represented by the formula R2, R3, R4a and R4b are each independently a hydrogen atom, an optionally halogenated C1-6 alkyl group or an optionally halogenated C3-6 cycloalkyl group, or R2 and R3 are optionally bonded via an alkylene chain or an alkenylene chain, or R4a and R4b are optionally bonded via an alkylene chain or an alkenylene chain; R1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 5; m+n is an integer of 2 to 5; and is a single bond or double bond, or a salt thereof; and the like.Type: GrantFiled: September 18, 2009Date of Patent: November 26, 2013Assignee: Takeda Pharmaceutical Company LimitedInventors: Junya Shirai, Hideyuki Sugiyama, Taku Kamei, Hironobu Maezaki
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Patent number: 8470816Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B is an aromatic ring optionally having substituent(s), ring C is a cyclic group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s) or an amino group optionally having substituent(s), R2 is an optionally halogenated C1-6 alkyl group, m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof and the like. Since the compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, gastrointestinal diseases, central nervous system diseases and the like.Type: GrantFiled: December 2, 2008Date of Patent: June 25, 2013Assignee: Takeda Pharmaceutical Company LimitedInventors: Yoshinori Ikeura, Junya Shirai, Hideyuki Sugiyama, Yuji Nishikimi, Taku Kamei, Nobuki Sakauchi
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Patent number: 8247403Abstract: Compounds represented by the general formula (I): wherein each symbol is as defined in the description [with the proviso that 9-chloro-7-(1,1-dimethylethyl)-2,3,4,5-tetrahydro-1,4-benz-oxazepine and N-[[(5S)-2-oxo-3-(2,3,4,5-tetrahydro-1,4-benz-oxazepin-7-yl)-5-oxazolidinyl]methyl]acetamide are excluded], salts of the same, and prodrugs thereof have selective activation effect on serotonin 5-HT2C receptor and are useful as preventive and therapeutic agents for lower urinary tract diseases, obesity, and/or pelvic organ prolapse.Type: GrantFiled: March 6, 2008Date of Patent: August 21, 2012Assignee: Takeda Pharmaceutical Company LimitedInventors: Junya Shirai, Takahiro Matsumoto, Izumi Kamo
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Publication number: 20120165312Abstract: The present invention relates to a serotonin 5-HT2C receptor activator containing a compound represented by the formula wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent(s), and ring B is a 7- to 9-membered ring optionally having substituent(s) other than an oxo group wherein the combination of m and n (m,n) is (1,2), (2,1), (2,2), (3,1), (3,2) or (4,1), or a salt thereof or a prodrug thereof, and a fused heterocyclic compound having a serotonin 5-HT2C receptor activating action and the like.Type: ApplicationFiled: March 2, 2012Publication date: June 28, 2012Inventors: Junya SHIRAI, Tomokazu Kusumoto, Hiroyuki Nagamiya, Izumi Kamo
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Patent number: 8158617Abstract: The present invention relates to a serotonin 5-HT2C receptor activator containing a compound represented by the formula wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent(s), and ring B is a 7- to 9-membered ring optionally having substituent(s) other than an oxo group wherein the combination of m and n (m,n) is (1,2), (2,1), (2,2), (3,1), (3,2) or (4,1), or a salt thereof or a prodrug thereof, and a fused heterocyclic compound having a serotonin 5-HT2C receptor activating action and the like.Type: GrantFiled: May 15, 2007Date of Patent: April 17, 2012Assignee: Takeda Pharmaceutical Company LimitedInventors: Junya Shirai, Tomokazu Kusumoto, Hiroyuki Nagamiya
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Publication number: 20110178060Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle; ring B is an aromatic ring optionally having substituent(s); ring D is an aromatic ring optionally having substituent(s); L is a group represented by the formula R2, R3, R4a and R4b are each independently a hydrogen atom, an optionally halogenated C1-6 alkyl group or an optionally halogenated C3-6 cycloalkyl group, or R2 and R3 are optionally bonded via an alkylene chain or an alkenylene chain, or R4a and R4b are optionally bonded via an alkylene chain or an alkenylene chain; R1 is a hydrogen atom or a substituent; m and n are each independently an integer of 0 to 5; m+n is an integer of 2 to 5; and is a single bond or double bond, or a salt thereof; and the like.Type: ApplicationFiled: September 18, 2009Publication date: July 21, 2011Inventors: Junya Shirai, Hideyuki Sugiyama, Taku Kamei, Hironobu Maezaki
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Publication number: 20100087418Abstract: Compounds represented by the general formula (I): wherein each symbol is as defined in the description [with the proviso that 9-chloro-7-(1,1-dimethylethyl)-2,3,4,5-tetrahydro-1,4-benz-oxazepine and N-[[(5S)-2-oxo-3-(2,3,4,5-tetrahydro-1,4-benz-oxazepin-7-yl)-5-oxazolidinyl]methyl]acetamide are excluded], salts of the same, and prodrugs thereof have selective activation effect on serotonin 5-HT2C receptor and are useful as preventive and therapeutic agents for lower urinary tract diseases, obesity, and/or pelvic organ prolapse.Type: ApplicationFiled: March 6, 2008Publication date: April 8, 2010Inventors: Junya Shirai, Takahiro Matsumoto, Izumi Kamo
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Patent number: 7622487Abstract: The present invention provides a compound represented by the formula: wherein Ar is an aryl group, an aralkyl group or an aromatic heterocyclic group, each of which may be substituted, R1 is a hydrogen atom, an optionally substituted hydrocarbon group, an acyl group or an optionally substituted heterocyclic group, X is an oxygen atom or an optionally substituted imino group, Z is an optionally substituted methylene group, Ring A is an optionally further substituted piperidine ring, and Ring B is an optionally substituted aromatic ring, provided that when Z is a methylene group substituted with an oxo group, R1 is not a methyl group, and when Z is a methylene group substituted with a methyl group, Ring B is a substituted aromatic ring, or a salt thereof, which is a novel piperidine derivative having excellent antagonistic action for a tachykinin receptor and useful as a medicament, particularly an agent for preventing and/or treating urinary frequency and/or urinary incontinence.Type: GrantFiled: May 29, 2003Date of Patent: November 24, 2009Assignee: Takeda Pharmaceutical Company LimitedInventors: Yoshinori Ikeura, Tadatoshi Hashimoto, Naoki Tarui, Junya Shirai
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Publication number: 20090186874Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B and ring C are each an aromatic ring optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group or a heterocyclic group optionally having substituent(s), Z is an optionally halogenated C1-6 alkyl group, Y is a methylene group optionally having substituent(s), m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof. The compound of the present invention has a superior tachykinin receptor antagonistic action, particularly an SP receptor antagonistic action, and is useful as a pharmaceutical agent, for example, a tachykinin receptor antagonist, an agent for the prophylaxis or treatment of an abnormality of lower urinary tract functions, a digestive organ disease or a central nerve disease, and the like.Type: ApplicationFiled: January 13, 2005Publication date: July 23, 2009Inventors: Yoshinori Ikeura, Junya Shirai
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Publication number: 20090156572Abstract: The present invention relates to a compound represented by the formula wherein ring A is a nitrogen-containing heterocycle optionally further having substituent(s), ring B is an aromatic ring optionally having substituent(s), ring C is a cyclic group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group, a heterocyclic group optionally having substituent(s) or an amino group optionally having substituent(s), R2 is an optionally halogenated C1-6 alkyl group, m and n are each an integer of 0 to 5, m+n is an integer of 2 to 5, and is a single bond or a double bond, or a salt thereof and the like. Since the compound has a superior tachykinin receptor antagonistic action, and is useful as an agent for the prophylaxis or treatment of various diseases such as lower urinary tract diseases, gastrointestinal diseases, central nervous system diseases and the like.Type: ApplicationFiled: December 2, 2008Publication date: June 18, 2009Inventors: Yoshinori Ikeura, Junya Shirai, Hideyuki Sugiyama, Yuji Nishikimi, Taku Kamei, Nobuki Sakauchi
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Publication number: 20090131402Abstract: The present invention relates to a serotonin 5-HT2C receptor activator containing a compound represented by the formula wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent(s), and ring B is a 7- to 9-membered ring optionally having substituent(s) other than an oxo group wherein the combination of m and n (m,n) is (1,2), (2,1), (2,2), (3,1), (3,2) or (4,1), or a salt thereof or a prodrug thereof, and a fused heterocyclic compound having a serotonin 5-HT2C receptor activating action and the like.Type: ApplicationFiled: May 15, 2007Publication date: May 21, 2009Inventors: Junya Shirai, Tomokazu Kusumoto, Hiroyuki Nagamiya, Izumi Kamo
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Publication number: 20080275085Abstract: The present invention provides a novel piperidine derivative and a tachykinin receptor antagonist containing same, as well as a compound represented by the formula: wherein R1 is carbamoylmethyl, methylsulfonylethylcarbonyl and the like; R2 is methyl or cyclopropyl; R3 is a hydrogen atom or methyl; R4 is a chlorine atom or trifluoromethyl; R5 is a chlorine atom or trifluoromethyl; and a group represented by the formula: is a group represented by the formula: wherein R6 is a hydrogen atom, methyl, ethyl or isopropyl; R7 is a hydrogen atom, methyl or a chlorine atom; and R8 is a hydrogen atom, a fluorine atom, a chlorine atom or methyl; or 3-methylthiophen-2-yl, and a salt thereof.Type: ApplicationFiled: April 23, 2008Publication date: November 6, 2008Inventors: Junya Shirai, Shinji Morimoto, Hideyuki Sugiyama, Nobuki Sakauchi, Takeshi Yoshikawa
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Publication number: 20070149570Abstract: The present invention relates to a compound represented by the formula: wherein Ar is a phenyl group optionally having substituent(s), R1 is a hydrogen atom, a hydrocarbon group optionally having substituent(s), an acyl group or a heterocyclic group optionally having substituent(s), R2 is a hydrogen atom, a C1-6 alkyl group optionally having substituent(s) or a C3-6 cycloalkyl group optionally having substituent(s), Z is a methylene group optionally having a C1-6 alkyl group, ring A is a piperidine ring optionally further having substituent(s), ring B and ring C are benzene rings optionally further having substituent(s), and R2 optionally form a ring together with the adjacent substituent on the ring B, except the compounds represented by the formula: or a salt thereof.Type: ApplicationFiled: February 2, 2007Publication date: June 28, 2007Inventors: Yoshinori Ikeura, Junya Shirai, Takeshi Yoshikawa, Nobuki Sakauchi
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Publication number: 20060241145Abstract: The present invention provides a piperidine derivative having antagonistic action for tachykinin receptors and the like, a crystal thereof, and an agent for the prophylaxis or treatment of diseases including lower urinary tract disease and the like, which contains the derivative. Specifically, the present invention provides an optically active compound represented by the formula (I): wherein each symbol is as defined in the specification, and a salt thereof.Type: ApplicationFiled: April 20, 2006Publication date: October 26, 2006Inventors: Yoshinori Ikeura, Tadatoshi Hashimoto, Junya Shirai, Yoshikawa Takeshi, Hiroshi Nakatani, Mitsuhisa Yamano, Masahiro Mizuno, Hiroyuki Irie