Patents by Inventor Susumu Muto

Susumu Muto 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).

  • Publication number: 20240182908
    Abstract: An object of the present application is to overcome problems in obtaining DNA aptamers in conventional methods, including the lack of diversification of interactions with target molecules, the increase in the cost for obtaining aptamers by post modification, and the limitation of target molecule species because of electric charges, and to provide a technique for obtaining highly active aptamers as inexpensively as possible. Provided is a nucleoside or nucleotide having, as a base, a structure of formula I. In formula I, R1 is a substituted C1-C3 alkyl group, a substituted or unsubstituted C4-C9 alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted heteroaryl group.
    Type: Application
    Filed: December 16, 2021
    Publication date: June 6, 2024
    Inventors: Susumu MUTO, Tatsuhiko SOMEYA, Yoji HAYASE, Daichi JITSUZAKI
  • Publication number: 20240116924
    Abstract: Provided is a method for producing an imidazopyridine derivative represented by the following Formula (I), in which X is H, a substituted or unsubstituted propenyl group, a substituted or unsubstituted propynyl group, or a substituted or unsubstituted aryl group; and Y is H or OH. The method involves conducting a coupling reaction of a compound having a 5-X-2-thienyl group with 2-amino-3-nitro-4-chloropyridine under Suzuki-Miyaura coupling reaction conditions to obtain 2-amino-3-nitro-4-(5-X-2-thienyl)pyridine.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Inventor: Susumu MUTO
  • Patent number: 11420997
    Abstract: The present invention has an object of shortening the process time and reducing use of a poor solvent for solidifying a carrier (Tag)-peptide component, by removing impurities without conducting solid-liquid separation (condensation, solid-liquid separation and drying operation) of a Tag-peptide component, in an Fmoc method using a Tag for liquid phase peptide synthesis.
    Type: Grant
    Filed: April 13, 2019
    Date of Patent: August 23, 2022
    Inventors: Hideaki Suzuki, Susumu Muto, Shuji Fujita, Daisuke Kubo
  • Patent number: 11098078
    Abstract: The present invention has an object of providing a peptide synthesis method using a carrier capable of reversibly repeating the dissolved state and the insolubilized state, wherein the problem of an amino acid active species existing in the reaction system in de-protection reaction can be easily solved. The present invention provides a peptide synthesis method comprising the following steps: a step of condensing an N-Fmoc protected amino acid with a peptide having a C-terminal protected with a carrier which is crystallized according to a change of a composition of a dissolving solvent, in the presence of a condensing agent, to obtain an N-Fmoc-C-carrier protected peptide, a step of adding an alkylamine having 1 to 14 carbon atoms or hydroxyl amine to the reaction system, a step of de-protecting the N-terminal, and a step of changing the composition of the solvent dissolving the C-carrier protected peptide, to crystallize and separate the peptide.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: August 24, 2021
    Assignee: JITSUBO Co., Ltd.
    Inventors: Yusuke Kono, Hideaki Suzuki, Susumu Muto
  • Publication number: 20210139532
    Abstract: The present invention has an object of shortening the process time and reducing use of a poor solvent for solidifying a carrier (Tag)-peptide component, by removing impurities without conducting solid-liquid separation (condensation, solid-liquid separation and drying operation) of a Tag-peptide component, in an Fmoc method using a Tag for liquid phase peptide synthesis.
    Type: Application
    Filed: April 13, 2019
    Publication date: May 13, 2021
    Applicant: JITSUBO Co., Ltd.
    Inventors: Hideaki SUZUKI, Susumu MUTO, Shuji FUJITA, Daisuke KUBO
  • Publication number: 20180215782
    Abstract: The present invention has an object of providing a peptide synthesis method using a carrier capable of reversibly repeating the dissolved state and the insolubilized state, wherein the problem of an amino acid active species existing in the reaction system in de-protection reaction can be easily solved. The present invention provides a peptide synthesis method comprising the following steps: a step of condensing an N-Fmoc protected amino acid with a peptide having a C-terminal protected with a carrier which is crystallized according to a change of a composition of a dissolving solvent, in the presence of a condensing agent, to obtain an N-Fmoc-C-carrier protected peptide, a step of adding an alkylamine having 1 to 14 carbon atoms or hydroxyl amine to the reaction system, a step of de-protecting the N-terminal, and a step of changing the composition of the solvent dissolving the C-carrier protected peptide, to crystallize and separate the peptide.
    Type: Application
    Filed: March 2, 2016
    Publication date: August 2, 2018
    Inventors: Yusuke KONO, Hideaki SUZUKI, Susumu MUTO
  • Patent number: 8633245
    Abstract: The compound represented by the following formula (I) and the like have PAI-1 inhibition activity; wherein: R1 represents a C6-10 aryl group which may be substituted or the like; T represents a single bond or the like; m represents 0 or 1; when m is 0, G represents —N—C(?O)—CO2H or the like; when m is 1, G represents an oxygen atom or the like; R2 represents a C6-10 aryl group which may be substituted or the like; E represents the following formula (II) wherein one of R31, R32, R33 and R34 represents the formula R1-T-, each of the other three independently represents a hydrogen atom or the like, and R35 represents the formula —X—Y?, a hydrogen atom or the like; X represents —CH2— or the like; Y? represents a carboxy group or the like; M represents a single bond or the like.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: January 21, 2014
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Youichi Yamaguchi, Takeshi Yanase, Susumu Muto, Akiko Itai
  • Patent number: 8263657
    Abstract: A medicament having inhibitory activity against NF-?B activation, which comprises a compound represented by the following general formula (I) or a pharmacologically acceptable salt as an active ingredient: wherein X represents a connecting group, A represents hydrogen atom or acetyl group, E represents an aryl group or a heteroaryl group, and ring X represents an arene or a heteroarene.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: September 11, 2012
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Susumu Muto, Tatsuo Nagano, Tomomi Sotome, Akiko Itai
  • Patent number: 8097610
    Abstract: A compound of the formula (I): or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 24, 2006
    Date of Patent: January 17, 2012
    Assignees: Shionogi & Co., Ltd., Institute of Medicinal Molecular Design, Inc.
    Inventors: Akiko Itai, Susumu Muto, Ryuko Tokuyama, Hiroshi Fukasawa, Takafumi Ohara, Terukazu Kato
  • Patent number: 8097759
    Abstract: A medicament having inhibitory activity against NF-?B activation, which comprises a compound represented by the following general formula (I) or a pharmacologically acceptable salt as an active ingredient: wherein X represents a connecting group, A represents hydrogen atom or acetyl group, E represents an aryl group or a heteroaryl group, and ring X represents an arene or a heteroarene.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: January 17, 2012
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Susumu Muto, Tatsuo Nagano, Tomomi Sotome, Akiko Itai
  • Publication number: 20110294813
    Abstract: Disclosed is a compound which is useful as an 11?-hydroxysteroid dehydrogenase type 1 inhibitor. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein R1 is optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted heterocycle or optionally substituted heterocyclealkyl, X is —O—, —NR3—, —NR3C(?O)— or —NR3S(?O)2—, R2 is optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl or optionally substituted heteroarylalkyl, R3 is hydrogen or optionally substituted alkyl.
    Type: Application
    Filed: June 30, 2011
    Publication date: December 1, 2011
    Applicants: SHIONOGI & CO., LTD., INSTITUTE OF MEDICINAL MOLECULAR DESIGN, INC.
    Inventors: Akiko Itai, Susumu Muto, Ryuko Tokuyama, Hiroshi Fukasawa, Takeshi Yanase
  • Patent number: 8044236
    Abstract: A compound represented by the following general formula (I) or a salt thereof, or a hydrate thereof or a solvate thereof having an inhibitory action against plasminogen activator inhibitor-1 (PAI-1): wherein R1 represents a C6-10 aryl group; or a substituted C6-10 aryl group, R2 represents a C6-10 aryl group; or a C6-10 aryl group substituted with a group or groups selected from the group consisting of a halogen atom, nitro group, a C1-6 alkyl group, a halogenated C1-6 alkyl group, a C1-6 alkoxy group, a halogenated C1-6 alkoxy group, a phenyl group and carboxy group, X represents —CH2—, —CH2CH2—, —CH?CH— or —N(R3)—C(?O)—, Y represents carboxy group or a bioisostere of carboxy group, R3 represents hydrogen atom, a C1-4 alkyl group or a C7-12 aralkyl group, m represents 0 or 1.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: October 25, 2011
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Youichi Yamaguchi, Takeshi Yanase, Susumu Muto, Akiko Itai
  • Patent number: 7998992
    Abstract: Disclosed is a compound which is useful as an 11?-hydroxysteroid dehydrogenase type 1 inhibitor. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein R1 is optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted heterocycle or optionally substituted heterocyclealkyl, X is —O—, —NR3—, —NR3C(?O)— or —NR3S(?O)2—, R2 is optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl or optionally substituted heteroarylalkyl, R3 is hydrogen or optionally substituted alkyl.
    Type: Grant
    Filed: March 27, 2008
    Date of Patent: August 16, 2011
    Assignees: Institute of Medicinal Molecular Design, Inc., Shionogi & Co., Ltd.
    Inventors: Akiko Itai, Susumu Muto, Ryuko Tokuyama, Hiroshi Fukasawa, Takeshi Yanase
  • Patent number: 7884234
    Abstract: A compound represented by the following general formula (I) or a salt thereof, or a hydrate thereof or a solvate thereof having an inhibitory action against plasminogen activator inhibitor-1 (PAI-1): wherein R1 represents a C6-10 aryl group; or a C6-10 aryl group substituted with a group or groups selected from the group consisting of a halogen atom, cyano group, nitro group, a C1-6 alkyl group, a halogenated C1-6 alkyl group, a C1-6 alkoxy group, a halogenated C1-6 alkoxy group and a C1-6 alkylsulfanyl group, R2 represents a C6-10 aryl group; or a C6-10 aryl group substituted with a group or groups selected from the group consisting of a halogen atom, hydroxy group, a C1-6 alkyl group, a halogenated C1-6 alkyl group, a C1-6 alkoxy group, a halogenated C1-6 alkoxy group, a C1-6 alkylsulfanyl group and phenyl group, X represents a single bond or oxygen atom, Z represents a phenylene group or a substituted phenylene group, m represents 0 or 1.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: February 8, 2011
    Assignee: Institute of Medicinal Molecular Design, inc.
    Inventors: Youichi Yamaguchi, Takeshi Yanase, Susumu Muto, Akiko Itai
  • Publication number: 20100274051
    Abstract: A medicament having inhibitory activity against NF-?B activation, which comprises a compound represented by the following general formula (I) or ? pharmacologically acceptable salt as an active ingredient: wherein X represents a connecting group, A represents hydrogen atom or acetyl group, E represents an aryl group or a heteroaryl group, and ring X represents an arene or a heteroarene.
    Type: Application
    Filed: July 2, 2010
    Publication date: October 28, 2010
    Applicant: Institute of Medicinal Molecular Design. Inc.
    Inventors: Susumu MUTO, Tatsuo Nagano, Tomomi Sotome, Akiko Itai
  • Publication number: 20100234363
    Abstract: Disclosed is a compound which is useful as an 11?-hydroxysteroid dehydrogenase type 1 inhibitor.
    Type: Application
    Filed: September 17, 2008
    Publication date: September 16, 2010
    Applicants: INSTITUTE OF MEDICINAL MOLECULAR DESIGN, INC., SHIONOGI & CO., LTD.
    Inventors: Akiko Itai, Susumu Muto, Ryuko Tokuyama, Hiroshi Fukasawa, Takeshi Yanase
  • Publication number: 20100113770
    Abstract: A medicament having inhibitory activity against NF-?B activation which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in a main chain is 2 to 5 (said connecting group may be substituted), “A” represents an acyl group which may be substituted, (provided that unsubstituted acetyl group and unsubstituted acryloyl group are excluded,) or a C1 to C6 alkyl group which may be substituted, or A may bind to connecting group X to form a cyclic structure which may be substituted, “E” represents an aryl group which may be substituted or a heteroaryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula —O-A wherein A has the same meaning as that defined above and the group r
    Type: Application
    Filed: October 14, 2009
    Publication date: May 6, 2010
    Applicant: INSTITUTE OF MEDICINAL MOLECULAR DESIGN, INC.
    Inventors: Susumu MUTO, Akiko ITAI
  • Publication number: 20100113448
    Abstract: Disclosed is a compound which is useful as an 11?-hydroxysteroid dehydrogenase type 1 inhibitor. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein R1 is optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted heterocycle or optionally substituted heterocyclealkyl, X is —O—, —NR3—, —NR3C(?O)— or —NR3S(?O)2—, R2 is optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl or optionally substituted heteroarylalkyl, R3 is hydrogen or optionally substituted alkyl.
    Type: Application
    Filed: March 27, 2008
    Publication date: May 6, 2010
    Applicants: INSTITUTE OF MEDICINAL MOLECULAR DESIGN, INC., SHIONOGI & CO., LTD.
    Inventors: Akiko Itai, Susumu Muto, Ryuko Tokuyama, Hiroshi Fukasawa, Takeshi Yanase
  • Patent number: 7700655
    Abstract: A medicament for the preventive and/or therapeutic treatment of allergic diseases and/or endometriosis and/or hysteromyoma which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in the main chain is 2 to 5 (said connecting group may be substituted), A represents hydrogen atom or acetyl group, E represents an aryl group which may be substituted or a hetero aryl group which may be substituted, ring Z represents an arene which may have one or more substitutents in addition to the group represented by formula —O-A wherein A has the same meaning as that defined above and the group represented by formula —X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substitutents in addition to the group represe
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: April 20, 2010
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Susumu Muto, Akiko Itai
  • Patent number: 7671058
    Abstract: A compound represented by the following formula (I) or a salt thereof: wherein R1, R2, R3 and R4 represent hydrogen atom, a halogen atom, cyano group, nitro group, a C1-4 alkyl group, a halogenated C1-4 alkyl group or a C1-4 alkoxy group, R5 represents a halogen atom, cyano group, a C1-4 alkyl group, a halogenated C1-4 alkyl group or a C1-4 alkoxy group, R6 represents a C5-7 cycloalkyl group, a substituted C5-7 cycloalkyl group, a 5 to 7-membered completely saturated heterocyclic group or a substituted 5 to 7-membered completely saturated heterocyclic group, X represents a single bond, oxygen atom, sulfur atom, NR7, —O—CH2— or —N(R8)—CH2—, R7 represents hydrogen atom or a C1-4 alkyl group, or R7 may combine with a substituent of R6 to represent a single bond, methylene group or ethylene group, R8 represents hydrogen atom, a C1-4 alkyl group or a C7-12 aralkyl group, which is useful as an active ingredient of a medicament for prophylactic and/or therapeutic treatment of diseases caused by an activation of
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: March 2, 2010
    Assignee: Institute of Medicinal Molecular Design, Inc.
    Inventors: Ryukou Tokuyama, Toshifumi Wakamatsu, Tatsurou Ichige, Susumu Muto, Akiko Itai