Patents by Inventor Teruhiko Taishi

Teruhiko Taishi 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: 20190152990
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X? is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylrene in which the hetero atom group may intervene; R2 is optionally substituted aryl; Ra is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4and Z2 part taken together forms a ring, to forma polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: January 10, 2019
    Publication date: May 23, 2019
    Applicants: ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170369509
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 28, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170267693
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 21, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170260203
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 18, 2017
    Publication date: September 14, 2017
    Applicants: ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170253616
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylane or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound; including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: May 17, 2017
    Publication date: September 7, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170224694
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170224695
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X? is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170209454
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 10, 2017
    Publication date: July 27, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170145033
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: February 8, 2017
    Publication date: May 25, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20170029438
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity, particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: October 11, 2016
    Publication date: February 2, 2017
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20160304535
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR1; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to forma polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: June 29, 2016
    Publication date: October 20, 2016
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20160207939
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: March 31, 2016
    Publication date: July 21, 2016
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Publication number: 20160137666
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity, particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: January 20, 2016
    Publication date: May 19, 2016
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian Alvin Johns, Takashi Kawasuji, Teruhiko Taishi, Yoshiyuki Taoda
  • Patent number: 9273065
    Abstract: The present invention is directed to a class of substituted pyrido[1?2?:4,5]pyrazino[1,2-a]-pyrimidines useful as intermediates in the production of anti-HIV agents. The compounds have the formula (I-24b): wherein Re is one or two halogen; Rz is C1-8alkyl; Rz is hydrogen, C3-6cycloalkyl, heterocyclyl, or C1-8alkyl optionally substituted with hydroxy, C3-6cycloalkyl, alkoxy, heterocyclyl, heteroaryl, C6-14aryl, or amino, wherein said amino may be optionally substituted with —C(O)C1-8alkyl or C1-8alkyl; and P1 is C6-14arylC1-8alkyl; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: March 1, 2016
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. Johns, Takashi Kawasuji, Teruhiko Taishi, Yoshiyuki Taoda
  • Publication number: 20150232479
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integraso inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: April 30, 2015
    Publication date: August 20, 2015
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 9051337
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: June 9, 2015
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. Johns, Takashi Kawasuji, Teruhiko Taishi, Yoshiyuki Taoda
  • Publication number: 20140200209
    Abstract: The present invention is to provide a novel compound (I) shown below, having the anti-virus activity; particularly the HIV integrase inhibitory activity, and a drug containing the same, particularly an anti-HIV drug, as well as a process and an intermediate thereof. (wherein Z1 is NR4; R1 is hydrogen or lower alkyl; X is a single bond, a hetero atom group selected from O, S, SO, SO2 and NH, or lower alkylene or lower alkenylene in which the hetero atom group may intervene; R2 is optionally substituted aryl; R3 is hydrogen, a halogen, hydroxy, optionally substituted lower alkyl etc; and R4 and Z2 part taken together forms a ring, to form a polycyclic compound, including e.g., a tricyclic or tetracyclic compound.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 17, 2014
    Applicants: ViiV Healthcare Company, Shionogi & Co., Ltd.
    Inventors: Brian A. JOHNS, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA
  • Patent number: 8778943
    Abstract: The present invention is directed to a class of substituted 10-hydroxy-9,11-dioxo-2,3,4a,5,9,11,13,13a-octahydro-1H-pyrido[1,2-a]pyrrolo[1?,2?:3,4]imidazo[1,2-d]pyrazine-8-carboxamides useful as anti-HIV agents. The compounds have the formula (I-1-1): wherein ring A is an optionally substituted hexahydro-1H-pyrrolo[1,2-c]-imidazole; R14 and RX are independently hydrogen or optionally substituted lower alkyl; R3 is selected from various groups; R1 is hydrogen or lower alkyl; R is halogen; m is 0, 1, 2 or 3; or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 8, 2013
    Date of Patent: July 15, 2014
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. Johns, Takashi Kawasuji, Teruhiko Taishi, Yoshiyuki Taoda
  • Patent number: 8410103
    Abstract: The present invention is directed to a substituted 2,3,5,7,11,11a-hexahydro[1,3]oxazolo[3,2 -a]pyrido[1,2-d]pyrazine-5,7-dione useful as an anti-HIV agent, which has the formula: as well as pharmaceutically acceptable salts thereof, compostions thereof, and methods of use thereof.
    Type: Grant
    Filed: January 18, 2012
    Date of Patent: April 2, 2013
    Assignees: Shionogi & Co., Ltd., VIIV Healthcare Company
    Inventors: Brian Alvin Johns, Takashi Kawasuji, Teruhiko Taishi, Yoshiyuki Taoda
  • Publication number: 20120208998
    Abstract: A compound having an anti-viral activity, particularly a HIV integrase inhibitory activity, and a pharmaceutical composition, particularly an anti-HIV agent, of the formula: wherein R1, R2, R3, R4, B1 and B2 are defined in the specification.
    Type: Application
    Filed: March 23, 2012
    Publication date: August 16, 2012
    Inventors: Hiroshi YOSHIDA, Takashi KAWASUJI, Teruhiko TAISHI, Yoshiyuki TAODA