Patents by Inventor Takami Murashi

Takami Murashi 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: 9440938
    Abstract: The present invention provides an sulfonamide derivative having DP receptor antagonistic activity and a pharmaceutical composition comprising the said compound as an active ingredient, and further a therapeutic agent for treating allergic diseases. A compound of the general formula (II): wherein the ring A is an aromatic carbocyclic ring etc.; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc.; the ring C is an aromatic carbocyclic ring etc.; R1 is carboxy etc.; R2 is independently a halogen atom etc.; R3 is optionally substituted alkyloxy etc.; R4 is independently a halogen atom etc.; R5 is independently optionally substituted alkyl etc.; M is sulfonyl etc.; Y is a single bond etc.; L1 is a single bond etc.; L2 is a single bond etc.; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; and q is 0, 1, 2 or 3; provided that a) k is not 0 when the ring B is a 6-membered nitrogen-containing heterocyclic ring containing one or two nitrogen atom(s) and the ring C is a benzene ring, etc.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: September 13, 2016
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Akira Kugimiya, Masahiko Fujioka, Yuki Tachibana, Takami Murashi, Naohiro Onodera
  • Publication number: 20150158833
    Abstract: The present invention provides an sulfonamide derivative having DP receptor antagonistic activity and a pharmaceutical composition comprising the said compound as an active ingredient, and further a therapeutic agent for treating allergic diseases. A compound of the general formula (II): wherein the ring A is an aromatic carbocyclic ring etc.; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc.; the ring C is an aromatic carbocyclic ring etc.; R1 is carboxy etc.; R2 is independently a halogen atom etc.; R3 is optionally substituted alkyloxy etc.; R4 is independently a halogen atom etc.; R5 is independently optionally substituted alkyl etc.; M is sulfonyl etc.; Y is a single bond etc.; L1 is a single bond etc.; L2 is a single bond etc.; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; and q is 0, 1, 2 or 3; provided that a) k is not 0 when the ring B is a 6-membered nitrogen-containing heterocyclic ring containing one or two nitrogen atom(s) and the ring C is a benzene ring, etc.
    Type: Application
    Filed: February 19, 2015
    Publication date: June 11, 2015
    Inventors: Akira KUGIMIYA, Masahiko FUJIOKA, Yuki TACHIBANA, Takami MURASHI, Naohiro ONODERA
  • Patent number: 8993763
    Abstract: The present invention provides an sulfonamide derivative having DP receptor antagonistic activity and a pharmaceutical composition comprising the said compound as an active ingredient, and further a therapeutic agent for treating allergic diseases. A compound of the general formula (II): wherein the ring A is an aromatic carbocyclic ring etc.; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc.; the ring C is an aromatic carbocyclic ring etc.; R1 is carboxy etc.; R2 is independently a halogen atom etc.; R3 is optionally substituted alkyloxy etc.; R4 is independently a halogen atom etc.; R5 is independently optionally substituted alkyl etc.; M is sulfonyl etc.; Y is a single bond etc.; L1 is a single bond etc.; L2 is a single bond etc.; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; and q is 0, 1, 2 or 3; provided that a) k is not 0 when the ring B is a 6-membered nitrogen-containing heterocyclic ring containing one or two nitrogen atom(s) and the ring C is a benzene ring, etc.
    Type: Grant
    Filed: September 25, 2006
    Date of Patent: March 31, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Akira Kugimiya, Masahiko Fujioka, Yuki Tachibana, Takami Murashi, Naohiro Onodera
  • Patent number: 8153793
    Abstract: The present invention provides an sulfonamide derivative having DP receptor antagonistic activity and a pharmaceutical composition comprising the said compound as an active ingredient, and further a therapeutic agent for treating allergic diseases. A compound of the general formula (II): wherein the ring A is an aromatic carbocyclic ring etc.; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc.; the ring C is an aromatic carbocyclic ring etc.; R1 is carboxy etc.; R2 is independently a halogen atom etc.; R3 is optionally substituted alkyloxy etc.; R4 is independently a halogen atom etc.; R5 is independently optionally substituted alkyl etc.; M is sulfonyl etc.; Y is a single bond etc.; L1 is a single bond etc.; L2 is a single bond etc.; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; and q is 0, 1, 2 or 3; provided that a) k is not 0 when the ring B is a 6-membered nitrogen-containing heterocyclic ring containing one or two nitrogen atom(s) and the ring C is a benzene ring, etc.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: April 10, 2012
    Assignee: Shionogi & Co., Ltd.
    Inventors: Akira Kugimiya, Masahiko Fujioka, Yuki Tachibana, Takami Murashi
  • Publication number: 20100069638
    Abstract: The present invention provides an sulfonamide derivative having DP receptor antagonistic activity and a pharmaceutical composition comprising the said compound as an active ingredient, and further a therapeutic agent for treating allergic diseases. A compound of the general formula (II): wherein the ring A is an aromatic carbocyclic ring etc.; the ring B is a nitrogen-containing non-aromatic heterocyclic ring etc.; the ring C is an aromatic carbocyclic ring etc.; R1 is carboxy etc.; R2 is independently a halogen atom etc.; R3 is optionally substituted alkyloxy etc.; R4 is independently a halogen atom etc.; R5 is independently optionally substituted alkyl etc.; M is sulfonyl etc.; Y is a single bond etc.; L1 is a single bond etc.; L2 is a single bond etc.; k is 0, 1, 2, 3 or 4; n is 0, 1 or 2; and q is 0, 1, 2 or 3; provided that a) k is not 0 when the ring B is a 6-membered nitrogen-containing heterocyclic ring containing one or two nitrogen atom(s) and the ring C is a benzene ring, etc.
    Type: Application
    Filed: November 20, 2009
    Publication date: March 18, 2010
    Inventors: Akira Kugimiya, Masahiko Fujioka, Yuki Tachibana, Takami Murashi
  • Patent number: 7420053
    Abstract: The present invention relates to 2-imino-1,3-thiazine derivatives, in specific, 2-imino-1,3-thiazine derivatives having a selective antagonistic activity or agonistic activity to a cannabinoid type 2 receptor and their pharmaceutical use.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: September 2, 2008
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Hanasaki, Takami Murashi, Hiroyuki Kai
  • Publication number: 20070088020
    Abstract: The present invention relates to 2-imino-1,3-thiazine derivatives, in specific, 2-imino-1,3-thiazine derivatives having a selective antagonistic activity or agonistic activity to a cannabinoid type 2 receptor and their pharmaceutical use.
    Type: Application
    Filed: November 29, 2006
    Publication date: April 19, 2007
    Inventors: Koji Hanasaki, Takami Murashi, Hiroyuki Kai
  • Patent number: 7183275
    Abstract: The present invention relates to 2-imino-1,3-thiazine derivatives, in specific, 2-imino-1,3-thiazine derivatives having a selective antagonistic activity or agonistic activity to a cannabinoid type 2 receptor and their pharmaceutical use.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: February 27, 2007
    Assignee: Shionogi Co., Ltd.
    Inventors: Koji Hanasaki, Takami Murashi, Hiroyuki Kai
  • Patent number: 6916806
    Abstract: A compound of the formula (I) having a binding activity to the cannabinoid type 2 receptor: wherein R1 is optionally substituted heterocyclic group or the like; R2 and R2 each is independently hydrogen or the like; m is an integer of 0 to 2; A is optionally substituted aromatic carbocyclic group or the like.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: July 12, 2005
    Assignee: Shionogi & Co., Ltd.
    Inventors: Hiroyuki Kai, Takami Murashi, Minoru Tomida
  • Publication number: 20050124617
    Abstract: The present invention relates to 2-imino-1,3-thiazine derivatives, in specific, 2-imino-1,3-thiazine derivatives having a selective antagonistic activity or agonistic activity to a cannabinoid type 2 receptor and their pharmaceutical use.
    Type: Application
    Filed: October 26, 2004
    Publication date: June 9, 2005
    Inventors: Koji Hanasaki, Takami Murashi, Hiroyuki Kai
  • Patent number: 6818640
    Abstract: It is found out that compounds represented by general formula (I) bind selectively to cannabinoid 2 receptor (CB2R) and thus exhibit CB2R antagonism or CB2R agonis wherein R1 represents optionally substituted alkylene; R2 represents hydrogen, alkyl, a group represented by the formula —C(═R5)—R6 (wherein R5 represents O or S; and R6 represents alkyl, alkoxy, alkylthio, etc.) or a group represented by the formula SO2R7 (wherein R7 represents allyl, etc.); m is an integer of from 0 to 2; and A represents optionally substituted aryl, etc.
    Type: Grant
    Filed: February 26, 2002
    Date of Patent: November 16, 2004
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Hanasaki, Takami Murashi, Hiroyuki Kai
  • Publication number: 20040116326
    Abstract: A compound of the formula (I) having a binding activity to the cannabinoid type 2 receptor: 1
    Type: Application
    Filed: July 28, 2003
    Publication date: June 17, 2004
    Inventors: Hiroyuki Kai, Takami Murashi, Minoru Tomida
  • Patent number: 6313150
    Abstract: An &agr;-substituted phenylacetic acid derivative useful as an agricultural fungicide, represented by general formula (I), or a salt thereof, a process for producing the same, an intermediate for the production thereof, and an agricultural fungicide containing the same as the active ingredient, wherein R1 represents halogen, alkyl, OH, alkylthio, alkylsulfinyl, alkylsulfonyl, amino or nitro; Q represents aryl, heterocycle, mono- or disubstituted methyleneamino, (substituted amino-)methyl, alkyl, alkenyl, alkynyl, substituted carbonyl or substituted sulfonyl; X represents hydrogen, halogen, alkyl or OH; Y represents OH, alkylthio or amino; Z represents oxygen or sulfur; M represents oxygen, S(O)i (i being 0, 1 or 2), NR2 (R2 being hydrogen, alkyl or acyl) or a single bond; and n represents 0, 1 or 2.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: November 6, 2001
    Assignee: Shionogi & Co., Ltd.
    Inventors: Toshikazu Ohtsuka, Takami Murashi, Shinji Suzuki, Michio Masuko, Hideyuki Takenaka
  • Patent number: 6147231
    Abstract: A process for producing a compound of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are hydrogen or alkyl, and R is hydrogen or alkyl, which comprises removing the protective group (P) of hydroxyl of a compound of the formula (II): ##STR2## wherein P is a protective group of hydroxyl, .about. indicates an E-isomer, Z-isomer or a mixture thereof, and the other symbols are as defined above; and an intermediate for the production of the compound of the formula (I).
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: November 14, 2000
    Assignee: Shionogi & Co., Ltd.
    Inventors: Akira Takase, Hiroyuki Kai, Takami Murashi
  • Patent number: 5948819
    Abstract: An .alpha.-substituted phenylacetic acid derivative useful as an agricultural fungicide, represented by general formula (I), or a salt thereof, a process for producing the same, an intermediate for the production thereof, and an agricultural fungicide containing the same as the active ingredient, wherein R.sup.1 represents halogen, alkyl, OH, alkylthio, alkylsulfinyl, alkylsulfonyl, amino or nitro; Q represents aryl, heterocycle, mono- or disubstituted methyleneamino, (substituted amino-)methyl, alkyl, alkenyl, alkynyl, substituted carbonyl or substituted sulfonyl; X represents hydrogen, halogen, alkyl or OH; Y represents OH, alkylthio or amino; Z represents oxygen or sulfur; M represents oxygen, S(O)i (i being 0, 1 or 2), NR.sup.2 (R.sup.2 being hydrogen, alkyl or acyl) or a single bond; and n represents 0, 1 or 2.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: September 7, 1999
    Assignee: Shionogi & Co., Ltd
    Inventors: Toshikazu Ohtsuka, Takami Murashi, Shinji Suzuki, Michio Masuko, Hideyuki Takenaka
  • Patent number: 5856573
    Abstract: A process for producing a compound of the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are hydrogen or alkyl, and R is hydrogen or alkyl, which comprises removing the protective group (P) of hydroxyl of a compound of the formula (II): ##STR2## wherein P is a protective group of hydroxyl, .about. indicates an E-isomer, Z-isomer or a mixture thereof, and the other symbols are as defined above; and an intermediate for the production of the compound of the formula (I).
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: January 5, 1999
    Assignee: Shionogi & Co., Ltd
    Inventors: Akira Takase, Hiroyuki Kai, Takami Murashi