Patents by Inventor Takuji Nakatani

Takuji Nakatani 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: 8383622
    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 Ring A is a group represented by the formula: Ring B is optionally substituted heteroaryl, provided that optionally substituted isoxazole is excluded, or optionally substituted heterocycle, R1 is hydrogen or optionally substituted alkyl, R2 is —OR5, —SR5, halogen, halogenated alkyl or the like, R3 is optionally substituted alkyl or the like, R4 is optionally substituted alkyl or the like, R5 is optionally substituted alkyl or the like, R6 is hydrogen or the like, R7 and R8 are each independently hydrogen or the like, R10 and R11 are each independently hydrogen or the like, R12 is optionally substituted alkyl or the like, m and p are each independently integer of 1 to 3.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: February 26, 2013
    Assignee: Shionogi & Co., Ltd.
    Inventors: Koji Masuda, Tomoyuki Ogawa, Takuji Nakatani
  • Publication number: 20100240659
    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 Ring A is a group represented by the formula: Ring B is optionally substituted heteroaryl, provided that optionally substituted isoxazole is excluded, or optionally substituted heterocycle, R1 is hydrogen or optionally substituted alkyl, R2 is —OR5, —SR5, halogen, halogenated alkyl or the like, R3 is optionally substituted alkyl or the like, R4 is optionally substituted alkyl or the like, R5 is optionally substituted alkyl or the like, R6 is hydrogen or the like, R7 and R8 are each independently hydrogen or the like, R10 and R11 are each independently hydrogen or the like, R12 is optionally substituted alkyl or the like, m and p are each independently integer of 1 to 3.
    Type: Application
    Filed: May 7, 2008
    Publication date: September 23, 2010
    Applicant: SHIONOGI & CO., LTD.
    Inventors: Koji Masuda, Tomoyuki Ogawa, Takuji Nakatani
  • Patent number: 7534892
    Abstract: The present invention provides a compound of the formula (I): (wherein, R1 is ethyl optionally substituted by halogen or amino optionally substituted by lower alkyl, R2 and R3 are each independently hydrogen or lower alkyl, X is cycloalkylene, lower alkylene or piperidinediyl, Z is optionally substituted phenyl or optionally substituted heterocyclyl) prodrug, pharmaceutically acceptable salt or solvate thereof.
    Type: Grant
    Filed: June 23, 2005
    Date of Patent: May 19, 2009
    Assignee: Shionogi & Co., Ltd.
    Inventor: Takuji Nakatani
  • Publication number: 20070287710
    Abstract: The present invention provides a compound of the formula (I): (wherein, R1 is ethyl optionally substituted by halogen or amino optionally substituted by lower alkyl, R2 and R3 are each independently hydrogen or lower alkyl, X is cycloalkylene, lower alkylene or piperidinediyl, Z is optionally substituted phenyl or optionally substituted heterocyclyl) prodrug, pharmaceutically acceptable salt or solvate thereof.
    Type: Application
    Filed: June 23, 2005
    Publication date: December 13, 2007
    Applicant: SHIONOGI & CO., LTD.
    Inventor: Takuji Nakatani