Patents by Inventor Sota Nimura

Sota Nimura 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).

  • Ligand, metal complex containing ligand, and reaction using metal complex containing ligand
    Patent number: 9463451
    Abstract: A hydrogen transfer reaction may be more efficiently promoted by using a metal complex represented by Formula (2): (wherein, R1 to R8 are the same or different, and each represents a hydrogen atom, a substituted or unsubstituted alkyl group or the like; or wherein; R1 and R2, R2 and R3, R3 and R4, R4 and R5, and R5 and R6 are respectively bonded to each other to form a bivalent hydrocarbon group; R9 are the same or different, and each represents an alkyl group or cycloalkyl group; M is ruthenium (Ru) or the like; X is a ligand; and n is 0, 1 or 2). More specifically, the metal complex enables a hydrogenation reaction of various substrates having a stable carbonyl group or the like to be advanced with a high yield under mild conditions.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: October 11, 2016
    Assignee: National University Corporation Nagoya University
    Inventors: Susumu Saito, Ryoji Noyori, Takashi Miura, Masayuki Naruto, Kazuki Iida, Yuki Takada, Katsuaki Toda, Sota Nimura, Santosh Agrawal, Sunkook Lee
  • LIGAND, METAL COMPLEX CONTAINING LIGAND, AND REACTION USING METAL COMPLEX CONTAINING LIGAND
    Publication number: 20160107151
    Abstract: A hydrogen transfer reaction may be more efficiently promoted by using a metal complex represented by Formula (2): (wherein, R1 to R8 are the same or different, and each represents a hydrogen atom, a substituted or unsubstituted alkyl group or the like; or wherein; R1 and R2, R2 and R3, R3 and R4, R4 and R5, and R5 and R6 are respectively bonded to each other to form a bivalent hydrocarbon group; R9 are the same or different, and each represents an alkyl group or cycloalkyl group; M is ruthenium (Ru) or the like; X is a ligand; and n is 0, 1 or 2). More specifically, the metal complex enables a hydrogenation reaction of various substrates having a stable carbonyl group or the like to be advanced with a high yield under mild conditions.
    Type: Application
    Filed: March 4, 2014
    Publication date: April 21, 2016
    Applicant: NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Susumu Saito, Ryoji Noyori, Takashi Miura, Masayuki Naruto, Kazuki Iida, Yuki Takada, Katsuaki Toda, Sota Nimura, Santosh Agrawal, Sunkook Lee