Patents by Inventor Nanase SAKUGAWA

Nanase SAKUGAWA 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).

  • Process for producing aromatic compound, and palladium complex
    Patent number: 11045796
    Abstract: A process for producing an aromatic compound in high yield and a palladium complex are provided. The palladium complex is represented by formula (D) or formula (D?): In formula (D), X represents a chlorine atom, A represents an alkyl group having 1 to 3 carbon atoms, B represents an alkyl group having 4 to 20 carbon atoms or a cycloalkyl group having 5 to 10 carbon atoms, R4 and R5 each independently represent a hydrogen atom, a fluorine atom, or an alkoxy group having 1 to 20 carbon atoms, and R6, R7 and R8 represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 4 to 20 carbon atoms. In formula (D?), X, A, B and R4 to R8 are the same as defined above.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: June 29, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Nanase Sakugawa, Takashi Kamikawa
  • PROCESS FOR PRODUCING AROMATIC COMPOUND, AND PALLADIUM COMPLEX
    Publication number: 20180369799
    Abstract: A process for producing an aromatic compound in high yield and a palladium complex are provided. The palladium complex is represented by formula (D) or formula (D?): In formula (D), X represents a chlorine atom, A represents an alkyl group having 1 to 3 carbon atoms, B represents an alkyl group having 4 to 20 carbon atoms or a cycloalkyl group having 5 to 10 carbon atoms, R4 and R5 each independently represent a hydrogen atom, a fluorine atom, or an alkoxy group having 1 to 20 carbon atoms, and R6, R7 and R8 represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or a heteroaryl group having 4 to 20 carbon atoms. In formula (D?), X, A, B and R4 to R8 are the same as defined above.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 27, 2018
    Inventors: Nanase SAKUGAWA, Takashi KAMIKAWA