Patents by Inventor Tsuyoshi Nagase
Tsuyoshi Nagase 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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Patent number: 8822453Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.Type: GrantFiled: August 20, 2010Date of Patent: September 2, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Shuuji Matsumura, Hokuto Yamabe, Naohiro Isono, Noriaki Takemura, Takashi Oshiyama, Tsuyoshi Nagase, Masataka Ueda, Kuninori Tai
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Patent number: 8420823Abstract: [Problem] To provide compounds useful as preventives or remedies for circular system disorders, nervous system disorders, metabolic disorders, reproduction system disorders, digestive system disorders, neoplasm, infectious diseases, etc., or as herbicides. [Means for Solution] A long-chain fatty acyl elongase inhibitor comprising, as the active ingredient thereof, a compound or a pharmaceutically-active salt thereof of a formula (I): [wherein W represents a hydrogen atom, a C1-6 alkyl, etc.; X represents an aryl, a heteroaryl, etc.; n indicates 0 or 1; Z represents a hydrogen atom, a C1-6 alkyl, etc.; A1, A2, A3 and A4 each independently represent CH or N].Type: GrantFiled: April 17, 2009Date of Patent: April 16, 2013Assignee: MSD K.K.Inventors: Makoto Jitsuoka, Tsuyoshi Nagase, Nagaaki Sato, Daisuke Tsukahara
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Patent number: 8367698Abstract: [Problem] There is provided a compound useful as a preventive or remedy for cardiovascular disease, neurologic disease, metabolic disease, reproductive disease, and digestive disease. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I) wherein Z represents wherein n1, n2, and n3 are 0, 1, or 2, respectively; R1 represents C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 represents aryl or heteroaryl; R3 represents a hydrogen atom, C1-6 alkyl, or the like; and M1, M2, M3, and M4 independently represent a hydrogen atom, C1-6 alkyl, or the like, or M1, together with M2, M3, or M4, forms —CH2— or the like.Type: GrantFiled: May 23, 2012Date of Patent: February 5, 2013Assignee: MSD K.K.Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Patent number: 8314094Abstract: [PROBLEMS] To provide a compound useful as an agent for the treatment of circulatory diseases, nervous system diseases, metabolic diseases, reproductive system diseases, and digestive tract diseases. [MEANS FOR SOLVING PROBLEMS] The compound, which is for use as an active ingredient, is represented by the formula (I): [wherein R1 represents optionally halogenated C1-6 alkyl, etc.; R2 represents, e.g., a group represented by the formula (II-1) or (II-4) (wherein W represents C1-6 alkylene, etc. and R represents C1-6 alkyl, etc.); R3 represents hydrogen, C1-6 alkyl, etc.; X represents —O—, —NH—, etc.; and Y1, Y2, Y3, and Y4 each independently represents —CH—, —N—, etc.].Type: GrantFiled: October 2, 2008Date of Patent: November 20, 2012Assignee: MSD K.KInventors: Shiho Ishikawa, Takashi Mizutani, Tsuyoshi Nagase, Nagaaki Sato, Hidekazu Takahashi
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Patent number: 8268842Abstract: The present invention provides a compound represented by formula (I) below, or a pharmaceutically acceptable salt thereof, which, having histamine H3 receptor antagonist or inverse agonist activity, is useful in the prophylaxis or therapy of metabolic diseases, circulatory diseases, or nervous system diseases. [where, for example, Ar is a divalent group formed by eliminating two hydrogen atoms from benzene, X1 is a nitrogen atom, sulfur atom or oxygen atom, R1 is a 5- to 6-membered heteroaryl group, Ring A is a 5- to 6-membered heteroaryl ring, R2 and R3 are amino groups or alkylamino groups, and X2 is represented by formula (II): (where R4 and R5 are lower alkyl groups, and n is an integer from 2 to 4).Type: GrantFiled: February 11, 2009Date of Patent: September 18, 2012Assignee: MSD K.K.Inventors: Tsuyoshi Nagase, Nagaaki Sato, Akio Kanatani, Shigeru Tokita
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Publication number: 20120232109Abstract: [Problem] There is provided a compound useful as a preventive or remedy for cardiovascular disease, neurologic disease, metabolic disease, reproductive disease, and digestive disease. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I) wherein Z represents wherein n1, n2, and n3 are 0, 1, or 2, respectively; R1 represents C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 represents aryl or heteroaryl; R3 represents a hydrogen atom, C1-6 alkyl, or the like; and M1, M2, M3, and M4 independently represent a hydrogen atom, C1-6 alkyl, or the like, or M1, together with M2, M3, or M4, forms —CH2— or the like.Type: ApplicationFiled: May 23, 2012Publication date: September 13, 2012Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Publication number: 20120225866Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.Type: ApplicationFiled: August 20, 2010Publication date: September 6, 2012Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kunio Oshima, Shuuji Matsumura, Hokuto Yamabe, Naohiro Isono, Noriaki Takemura, Shinichi Taira, Takashi Oshiyama, Yasuhiro Menjo, Tsuyoshi Nagase, Masataka Ueda, Yasuo Koga, Sunao Nakayama, Kenji Tsujimae, Toshiyuki Onogawa, Kuninori Tai, Motohiro Itotani
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Patent number: 8188280Abstract: [Problem] There is provided a compound useful as a preventive or remedy for cardiovascular disease, neurologic disease, metabolic disease, reproductive disease, and digestive disease. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I) wherein Z represents wherein n1, n2, and n3 are 0, 1, or 2, respectively; R1 represents C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 represents aryl or heteroaryl; R3 represents a hydrogen atom, C1-6 alkyl, or the like; and M1, M2, M3, and M4 independently represent a hydrogen atom, C1-6 alkyl, or the like, or M1, together with M2, M3, or M4, forms —CH2— or the like.Type: GrantFiled: February 4, 2009Date of Patent: May 29, 2012Assignee: MSD K.K.Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Patent number: 8163898Abstract: [PROBLEMS] To provide compounds useful as preventives or remedies for circulatory diseases, nervous diseases, metabolic diseases, reproductive system diseases, and digestive diseases. [MEANS FOR SOLVING PROBLEMS] Compounds represented by the general formula (I) or pharmaceutically acceptable salts thereof: wherein R1 is C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 is phenyl, heteroaryl, or the like; Q is N or CH; and M1, M2, M3 and M4 are each independently hydrogen or C1-6 alkyl, or alternatively M1 together with M2 or M3 forms —CH2-CH2- or the like, or M4 together with M2 or M3 forms —CH2-CH2- or the like, with the proviso that M1, M2, M3, and M4 are such that one —CH2- or —CH2-CH2- group is formed thereamong.Type: GrantFiled: September 12, 2008Date of Patent: April 24, 2012Assignee: MSD K. K.Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Patent number: 8138206Abstract: Disclosed is a substance having an antagonistic effect on the binding of histamine to a histamine H3 receptor or an inhibitory effect on the activity which a histamine H3 receptor constantly exhibits. A compound represented by the formula (I) or a pharmaceutically acceptable salt thereof; (I) wherein R1 represents a phenyl group which may be substituted or the like and R2 represents a cyano group which may be substituted or the like, or R1 and R2 together form an aliphatic heterocylic ring which may be substituted; R3 represents a group represented by the formula (II-1) below; and all of X1 to X4 represent a carbon atom or the like: (II-1) where R4 and R5 represent a lower alkyl group or the like; and m1 represents an integer of 2 to 4.Type: GrantFiled: May 29, 2006Date of Patent: March 20, 2012Assignee: MSD. K.K.Inventors: Shiho Ishikawa, Tsuyoshi Nagase, Nagaaki Sato, Hidekazu Takahashi, Shigeru Tokita, Toshihiro Wada
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Patent number: 8124807Abstract: [Problem] To provide a compound that is useful as an agent in the prevention and treatment of circulatory system, nervous system, metabolic, reproductive system, and gastrointestinal diseases. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I): [wherein, Z represents formula (II-1), (II-2), or (II-3), wherein m and n are 0, 1, or 2, Y represents CR3 or N, R1 represents a C1-6 alkyl, C3-8 cycloalkyl, etc., R2 represents phenyl or a heteroaryl, etc., R3 and R4 each independently represent a hydrogen atom, a C1-6 alkyl, etc., M1, M2, M3, and M4 each independently represent a hydrogen atom, a C1-6 alkyl, etc.Type: GrantFiled: December 16, 2008Date of Patent: February 28, 2012Assignee: MSD K.K.Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Patent number: 8106086Abstract: A compound represented by the general formula (I-a): [wherein R1a and R2a each means hydrogen, lower cycloalkyl, lower alkyl, etc.; R3a means hydrogen, lower cycloalkyl, lower alkyl, etc.; R4a and R5a each means lower alkyl, lower cycloalkyl, etc. or R4a and R5a are bonded to each other to form lower cycloalkylidene; and R6a means lower alkyl, lower haloalkyl, etc.]. This compound functions as an LCE inhibitor and is useful as a therapeutic agent for various circulatory diseases, nervous diseases, metabolic diseases, reproductive diseases, digestive tract diseases, neoplasm, infectious diseases, etc.Type: GrantFiled: March 27, 2008Date of Patent: January 31, 2012Assignee: MSD K.K.Inventors: Toshiyuki Takahashi, Tsuyoshi Nagase, Nagaaki Sato
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Patent number: 7960394Abstract: This invention provides a compound or its pharmaceutically-acceptable salt of formula (I) wherein R1 represents a lower alkyl group et al; R2 and R3 are same and different and represents hydrogen atm et al; R4 represents the substituent of the formula (II) et al; X1 represents NH, O or S; Y represents N or C; Ar is a divalent substituent derived from aryl et al, by removing two hydrogen atoms therefrom; the ring A represents a 5- or 6-membered heteroaryl group; this compounds has a histamine-H3 receptor antagonistic effect or a histamine-H3 receptor inverse-agonistic effect and is useful for preventive or remedy of metabolic system diseases, circulatory system diseases or nervous system diseases.Type: GrantFiled: May 30, 2005Date of Patent: June 14, 2011Assignee: Banyu Pharmaceutical Co., Ltd.Inventors: Takashi Mizutani, Tsuyoshi Nagase, Nagaaki Sato, Akio Kanatani, Shigeru Tokita
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Publication number: 20110009622Abstract: [Problem] To provide compounds useful as preventives or remedies for circular system disorders, nervous system disorders, metabolic disorders, reproduction system disorders, digestive system disorders, neoplasm, infectious diseases, etc., or as herbicides. [Means for Solution] A long-chain fatty acyl elongase inhibitor comprising, as the active ingredient thereof, a compound or a pharmaceutically-active salt thereof of a formula (I): [wherein W represents a hydrogen atom, a C1-6 alkyl, etc.; X represents an aryl, a heteroaryl, etc.; n indicates 0 or 1; Z represents a hydrogen atom, a C1-6 alkyl, etc.; A1, A2, A3 and A4 each independently represent CH or N].Type: ApplicationFiled: April 17, 2009Publication date: January 13, 2011Inventors: Makoto Jitsuoka, Tsuyoshi Nagase, Nagaaki Sato, Daisuke Tsukahara
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Publication number: 20100331360Abstract: [Problem] There is provided a compound useful as a preventive or remedy for cardiovascular disease, neurologic disease, metabolic disease, reproductive disease, and digestive disease. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I) wherein Z represents wherein n1, n2, and n3 are 0, 1, or 2, respectively; R1 represents C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 represents aryl or heteroaryl; R3 represents a hydrogen atom, C1-6 alkyl, or the like; and M1, M2, M3, and M4 independently represent a hydrogen atom, C1-6 alkyl, or the like, or M1, together with M2, M3, or M4, forms —CH2— or the like.Type: ApplicationFiled: February 4, 2009Publication date: December 30, 2010Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Publication number: 20100249147Abstract: [Problem] To provide a compound that is useful as an agent in the prevention and treatment of circulatory system, nervous system, metabolic, reproductive system, and gastrointestinal diseases. [Means for Resolution] A compound or a pharmaceutically acceptable salt thereof represented by the following Formula (I): [wherein, Z represents formula (II-1), (II-2), or (II-3), wherein m and n are 0, 1, or 2, Y represents CR3 or N, R1 represents a C1-6 alkyl, C3-8 cycloalkyl, etc., R2 represents phenyl or a heteroaryl, etc., R3 and R4 each independently represent a hydrogen atom, a C1-6 alkyl, etc., M1, M2, M3, and M4 each independently represent a hydrogen atom, a C1-6 alkyl, etc.Type: ApplicationFiled: December 16, 2008Publication date: September 30, 2010Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Publication number: 20100234392Abstract: [Problems] To provide compounds useful as preventives or remedies for circulatory diseases, nervous diseases, metabolic diseases, reproductive system diseases, and digestive diseases. [Means for Solving Problems] Compounds represented by the general formula (I) or pharmaceutically acceptable salts thereof: wherein R1 is C1-6 alkyl, C3-8 cycloalkyl, or the like; R2 is phenyl, heteroaryl, or the like; Q is N or CH; and M1, M2, M3 and M4 are each independently hydrogen or C1-6 alkyl, or alternatively M1 together with M2 or M3 forms —CH2-CH2- or the like, or M4 together with M2 or M3 forms —CH2-CH2- or the like, with the proviso that M1, M2, M3, and M4 are such that one —CH2- or —CH2-CH2- group is formed thereamong.Type: ApplicationFiled: September 12, 2008Publication date: September 16, 2010Inventors: Tsuyoshi Nagase, Takahide Sasaki, Toshiyuki Takahashi
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Patent number: 7790731Abstract: The present invention is directed to a form I crystal of 2-methyl 3-{4-[3-(1-pyrrolidinyl)propoxy]phenyl}-5-trifluoromethyl-4(3H)-quinazolinone that is useful for example in the treatment of sleep disorders or various sleep disorder-associated diseases.Type: GrantFiled: February 13, 2006Date of Patent: September 7, 2010Assignee: Banyu Pharmaceutical Co. Ltd.Inventors: Akio Kanatani, Nagaaki Sato, Tsuyoshi Nagase, Shigeru Tokita
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Publication number: 20100210636Abstract: [PROBLEMS] To provide a compound useful as an agent for the treatment of circulatory diseases, nervous system diseases, metabolic diseases, reproductive system diseases, and digestive tract diseases. [MEANS FOR SOLVING PROBLEMS] The compound, which is for use as an active ingredient, is represented by the formula (I): [wherein R1 represents optionally halogenated C1-6 alkyl, etc.; R2 represents, e.g., a group represented by the formula (II-1) or (II-4) (wherein W represents C1-6 alkylene, etc. and R represents C1-6 alkyl, etc.); R3 represents hydrogen, C1-6 alkyl, etc.; X represents —O—, —NH—, etc.; and Y1, Y2, Y3, and Y4 each independently represents —CH—, —N—, etc.].Type: ApplicationFiled: October 2, 2008Publication date: August 19, 2010Inventors: Shiho Ishikawa, Takashi Mizutani, Tsuyoshi Nagase, Nagaaki Sato, Hidekazu Takahashi
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Publication number: 20100056597Abstract: A compound represented by the general formula (I-a): [wherein R1a and R2a each means hydrogen, lower cycloalkyl, lower alkyl, etc.; R3a means hydrogen, lower cycloalkyl, lower alkyl, etc.; R4a and R5a each means lower alkyl, lower cycloalkyl, etc. or R4a and R5a are bonded to each other to form lower cycloalkylidene; and R6a means lower alkyl, lower haloalkyl, etc.]. This compound functions as an LCE inhibitor and is useful as a therapeutic agent for various circulatory diseases, nervous diseases, metabolic diseases, reproductive diseases, digestive tract diseases, neoplasm, infectious diseases, etc.Type: ApplicationFiled: March 27, 2008Publication date: March 4, 2010Inventors: Toshiyuki Takahashi, Tsuyoshi Nagase, Nagaaki Sato