Patents by Inventor Yoshiyuki Taoda

Yoshiyuki Taoda 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: 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: 9278967
    Abstract: The invention relates to Substituted-Quinoxaline-Type Piperidine Compounds, compositions comprising an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: March 8, 2016
    Assignees: Purdue Pharma L.P., Shionogi & Co., Ltd.
    Inventors: Kouki Fuchino, R. Richard Goehring, Akira Matsumura, Bin Shao, Yoshiyuki Taoda, Naoki Tsuno, John William Frank Whitehead, Jiangchao Yao
  • Publication number: 20160060274
    Abstract: A synthesis approach providing an early ring attachment via a bromination to compound l-l yielding compound II-Il, whereby a final product such as AA can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
    Type: Application
    Filed: November 10, 2015
    Publication date: March 3, 2016
    Applicants: VIIV HEALTHCARE COMPANY, SHIONOGI & CO., LTD.
    Inventors: Hiroshi YOSHIDA, Yoshiyuki TAODA, Brian Alvin JOHNS, Takashi KAWASUJI, Daiki NAGAMATSU
  • 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: 20150361093
    Abstract: The present invention provides a novel compound having an antiviral activity, in particular, an HIV replication inhibiting activity, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein ring A is substituted or unsubstituted carbocycle or substituted or unsubstituted heterocycle; R1 is substituted or unsubstituted alkyl etc.; R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is substituted or unsubstituted carbocyclyl or substituted or unsubstituted heterocyclyl; R4 is a hydrogen atom etc.; R6 is substituted or unsubstituted alkyl etc.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 17, 2015
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kenji TOMITA, Yoshiyuki TAODA, Tsutomu IWAKI, Takashi KAWASUJI, Toshiyuki AKIYAMA, Shuichi SUGIYAMA, Yoshinori TAMURA, Masafumi IWATSU
  • 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: 20150141643
    Abstract: The invention relates to Substituted-Quinoxaline-Type Piperidine Compounds, compositions comprising an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound.
    Type: Application
    Filed: July 14, 2014
    Publication date: May 21, 2015
    Inventors: Kouki FUCHINO, R. Richard GOEHRING, Akira MATSUMURA, Bin SHAO, Yoshiyuki TAODA, Naoki TSUNO, John William Frank WHITEHEAD, Jiangchao YAO
  • Publication number: 20150111854
    Abstract: The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.
    Type: Application
    Filed: December 5, 2014
    Publication date: April 23, 2015
    Inventors: Chika TAKAHASHI, Hindenori MIKAMIYAMA, Toshiyuki AKIYAMA, Kenji TOMITA, Yoshiyuki TAODA, Makoto KAWAI, Kosuke ANAN, Masayoshi MIYAGAWA, Naoyuki SUZUKI
  • Patent number: 8987441
    Abstract: The present invention provides a compound having antiviral effects, particularly having growth inhibitory activity on influenza viruses, a preferred example of the compound being a substituted 3-hydroxy-4-pyridone derivative prodrug having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: September 21, 2011
    Date of Patent: March 24, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Chika Takahashi, Hidenori Mikamiyama, Toshiyuki Akiyama, Kenji Tomita, Yoshiyuki Taoda, Makoto Kawai, Kosuke Anan, Masayoshi Miyagawa, Naoyuki Suzuki
  • Publication number: 20150065485
    Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 5, 2015
    Inventors: Toshiyuki Akiyama, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Chika Kageyama, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
  • Patent number: 8927710
    Abstract: This invention provides compounds having antiviral activities especially inhibiting activity for influenza virus, more preferably provides substituted 3-hydroxy-4-pyridone derivatives having cap-dependent endonuclease inhibitory activity.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: January 6, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Toshiyuki Akiyama, Kenji Takaya, Makoto Kawai, Yoshiyuki Taoda, Minako Mikamiyama, Kenji Morimoto, Chika Kageyama, Kenji Tomita, Hidenori Mikamiyama, Naoyuki Suzuki
  • Patent number: 8846929
    Abstract: The invention relates to Substituted-Quinoxaline-Type Piperidine Compounds, compositions comprising an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound and methods to treat or prevent a condition, such as pain, comprising administering to an animal in need thereof an effective amount of a Substituted-Quinoxaline-Type Piperidine Compound.
    Type: Grant
    Filed: February 24, 2010
    Date of Patent: September 30, 2014
    Assignees: Purdue Pharma L.P., Shionogi & Co., Ltd.
    Inventors: Kouki Fuchino, R. Richard Goehring, Bin Shao, Yoshiyuki Taoda, Naoki Tsuno, John William Frank Whitehead, Jiangchao Yao
  • Publication number: 20140243521
    Abstract: A synthesis approach providing an early ring attachment via a bromination to compound 1-1 yielding compound II-I1, whereby a final product such as AA can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
    Type: Application
    Filed: May 8, 2014
    Publication date: August 28, 2014
    Applicants: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Hiroshi YOSHIDA, Yoshiyuki TAODA, Brian Alvin JOHNS, Takashi KAWASUJI, Daiki NAGAMATSU
  • 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: 8754214
    Abstract: A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: whereby a final product such as AA: can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: June 17, 2014
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Hiroshi Yoshida, Yoshiyuki Taoda, Brian Alvin Johns, Takashi Kawasuji, Daiki Nagamatsu
  • Patent number: 8691823
    Abstract: The present invention features compounds of formula (I) for the treatment or prevention of HIV infection and for the treatment of AIDS and ARC.
    Type: Grant
    Filed: February 19, 2013
    Date of Patent: April 8, 2014
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Brian A. Johns, Jason G. Weatherhead, Yasunori Aoyama, Hiroshi Yoshida, Yoshiyuki Taoda
  • Publication number: 20140094605
    Abstract: A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: whereby a final product such as AA: can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
    Type: Application
    Filed: December 4, 2013
    Publication date: April 3, 2014
    Applicants: ViiV Healthcare Company, Shionogi & Co., Ltd.
    Inventors: Hiroshi YOSHIDA, Yoshiyuki TAODA, Brian Alvin JOHNS, Takashi KAWASUJI, Daiki NAGAMATSU
  • Patent number: 8624023
    Abstract: A synthesis approach providing an early ring attachment via a bromination to compound I-I yielding compound II-II: whereby a final product such as AA: can be synthesized. In particular, the 2,4-difluorophenyl-containing sidechain is attached before creation of the additional ring Q.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: January 7, 2014
    Assignees: Shionogi & Co., Ltd., ViiV Healthcare Company
    Inventors: Hiroshi Yoshida, Yoshiyuki Taoda, Brian Johns, Takashi Kawasuji, Daiki Nagamatsu