Patents by Inventor Masafumi Iwatsu

Masafumi Iwatsu 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: 20190144396
    Abstract: The purpose of the present invention is to provide novel compounds having ACC2 selective inhibitory activity. In addition, the present invention provides a pharmaceutical composition comprising the compound. A compound of Formula: or its pharmaceutically acceptable salt, wherein, R1 is substituted or unsubstituted fused aromatic heterocyclyl represented by Formula: wherein, ring B is 5-membered ring, ring C is 6-membered ring; ring A is substituted or unsubstituted non-aromatic carbocycle or the like; -L1- is —O—(CR6R7)m- or the like; -L2- is —O—(CR6R7)n- or the like; each R6 is independently hydrogen or the like; each R7 is independently hydrogen or the like; each m is independently an integer of 0, 1, 2 or 3; each n is independently an integer of 1, 2 or 3; R2 is substituted or unsubstituted alkyl; R3 is hydrogen or substituted or unsubstituted alkyl; R4 is substituted or unsubstituted alkylcarbonyl or the like.
    Type: Application
    Filed: January 17, 2019
    Publication date: May 16, 2019
    Applicant: Shionogi & Co., Ltd.
    Inventors: Naoki OHYABU, Kana KURAHASHI, Yuji NISHIURA, Manabu KATOU, Keisuke MIYAZAKI, Yoshikazu SASAKI, Toshihiro WADA, Masafumi IWATSU
  • Patent number: 10233156
    Abstract: The purpose of the present invention is to provide novel compounds having ACC2 selective inhibitory activity. In addition, the present invention provides a pharmaceutical composition comprising the compound. A compound of Formula: or its pharmaceutically acceptable salt, wherein, R1 is substituted or unsubstituted fused aromatic heterocyclyl represented by Formula: wherein, ring B is 5-membered ring, ring C is 6-membered ring; ring A is substituted or unsubstituted non-aromatic carbocycle or the like; —L1— is —O—(CR6R7)m— or the like; —L2— is —O—(CR6R7)n— or the like; each R6 is independently hydrogen or the like; each R7 is independently hydrogen or the like; each m is independently an integer of 0, 1, 2 or 3; each n is independently an integer of 1, 2 or 3; R2 is substituted or unsubstituted alkyl; R3 is hydrogen or substituted or unsubstituted alkyl; R4 is substituted or unsubstituted alkylcarbonyl or the like.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: March 19, 2019
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Naoki Ohyabu, Kana Kurahashi, Yuji Nishiura, Manabu Katou, Keisuke Miyazaki, Yoshikazu Sasaki, Toshihiro Wada, Masafumi Iwatsu
  • Publication number: 20180362543
    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: August 23, 2018
    Publication date: December 20, 2018
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kenji TOMITA, Yoshiyuki TAODA, Tsutomu IWAKI, Takashi KAWASUJI, Toshiyuki AKIYAMA, Shuichi SUGIYAMA, Yoshinori TAMURA, Masafumi IWATSU
  • Patent number: 10150728
    Abstract: The object of the present invention is to provide novel compounds having ACC2 inhibiting activity. In addition, the object of the present invention is to provide a pharmaceutical composition comprising the compound. A compound of formula (I): wherein R1 is substituted or unsubstituted fused aromatic heterocyclyl etc., ring A is substituted or unsubstituted non-aromatic carbocycle etc., -L1- is —O—(CR6R7)m- etc., -L2- is —O—(CR6R7)n- etc., each R6 and R7 are independently hydrogen, halogen etc., R2 is substituted or unsubstituted alkyl, R3 is hydrogen or substituted or unsubstituted alkyl, R4 is substituted or unsubstituted alkylcarbonyl etc.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: December 11, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Naotake Kobayashi, Kentarou Asahi, Yutaka Tomida, Masahide Ohdan, Masataka Fumoto, Yoshikazu Sasaki, Kana Kurahashi, Takatsugu Inoue, Tomomi Urabe, Yuji Nishiura, Masafumi Iwatsu, Keisuke Miyazaki, Naoki Ohyabu, Toshihiro Wada, Manabu Katou
  • Patent number: 10093670
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: October 9, 2018
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Publication number: 20180079727
    Abstract: The purpose of the present invention is to provide novel compounds having ACC2 selective inhibitory activity. In addition, the present invention provides a pharmaceutical composition comprising the compound. A compound of Formula: or its pharmaceutically acceptable salt, wherein, R1 is substituted or unsubstituted fused aromatic heterocyclyl represented by Formula: wherein, ring B is 5-membered ring, ring C is 6-membered ring; ring A is substituted or unsubstituted non-aromatic carbocycle or the like; -L1- is —O—(CR6R7)m- or the like; -L2- is —O—(CR6R7)n- or the like; each R6 is independently hydrogen or the like; each R7 is independently hydrogen or the like; each m is independently an integer of 0, 1, 2 or 3; each n is independently an integer of 1, 2 or 3; R2 is substituted or unsubstituted alkyl; R3 is hydrogen or substituted or unsubstituted alkyl; R4 is substituted or unsubstituted alkylcarbonyl or the like.
    Type: Application
    Filed: March 30, 2016
    Publication date: March 22, 2018
    Applicant: Shionogi & Co., Ltd.
    Inventors: Naoki OHYABU, Kana KURAHASHI, Yuji NISHIURA, Manabu KATOU, Keisuke MIYAZAKI, Yoshikazu SASAKI, Toshihiro WADA, Masafumi IWATSU
  • Publication number: 20170107219
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: December 27, 2016
    Publication date: April 20, 2017
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi KOJIMA, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Patent number: 9567330
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: February 14, 2017
    Assignee: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Publication number: 20160257641
    Abstract: The object of the present invention is to provide novel compounds having ACC2 inhibiting activity. In addition, the object of the present invention is to provide a pharmaceutical composition comprising the compound. A compound of formula (I): wherein R1 is substituted or unsubstituted fused aromatic heterocyclyl etc., ring A is substituted or unsubstituted non-aromatic carbocycle etc., -L1- is —O—(CR6R7)m- etc., -L2- is —O—(CR6R7)n- etc., each R6 and R7 are independently hydrogen, halogen etc., R2 is substituted or unsubstituted alkyl, R3 is hydrogen or substituted or unsubstituted alkyl, R4 is substituted or unsubstituted alkylcarbonyl etc.
    Type: Application
    Filed: October 17, 2014
    Publication date: September 8, 2016
    Applicant: Shionogi & Co., Ltd.
    Inventors: Naotake KOBAYASHI, Kentarou ASAHI, Yutaka TOMIDA, Masahide OHDAN, Masataka FUMOTO, Yoshikazu SASAKI, Kana KURAHASHI, Takatsugu INOUE, Tomomi URABE, Yuji NISHIURA, Masafumi IWATSU, Keisuke MIYAZAKI, Naoki OHYABU, Toshihiro WADA, Manabu KATOU
  • 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
  • Patent number: 9133186
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: September 15, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka
  • Publication number: 20140194420
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by formula: or a pharmaceutically acceptable salt thereof, wherein R4 is hydrogen, or substituted or unsubstituted alkyl, R1, R2 and R3 are each independently hydrogen, halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl or the like, with the proviso that R1, R2 and R3 are not simultaneously hydrogen, X is a single bond, —S—, —O—, —NR5—, —C(?O)— or the like, R5 is hydrogen, or substituted or unsubstituted alkyl, Y is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted heterocyclyl or the like.
    Type: Application
    Filed: July 13, 2012
    Publication date: July 10, 2014
    Applicant: Shionogi & Co., Ltd.
    Inventors: Eiichi Kojima, Keisuke Tonogaki, Nobuyuki Tanaka, Manabu Katou, Akira Ino, Masafumi Iwatsu, Masahiko Fujioka, Yu Hinata, Naoki Ohyabu
  • Publication number: 20130184240
    Abstract: Disclosed is a compound which is useful as an AMPK activator. A compound represented by the formula: its pharmaceutically acceptable salt, or a solvate thereof, wherein a group represented by the formula: is a group represented by the formula: R1 is each independently halogen, hydroxy, cyano, nitro, carboxy, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl or the like; m is an integer of 0 to 3; R2 is hydrogen, or substituted or unsubstituted alkyl; X is —O—; and Y is substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl.
    Type: Application
    Filed: September 8, 2011
    Publication date: July 18, 2013
    Applicant: Shionogi & Co., Ltd.
    Inventors: Keisuke Tonogaki, Akira Ino, Eiichi Kojima, Manabu Katou, Masafumi Iwatsu, Nobuyuki Tanaka, Masahiko Fujioka