Patents by Inventor Kazato INANAGA

Kazato INANAGA 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 PREPARING CERTAIN CINNAMIDE COMPOUNDS
    Publication number: 20110172427
    Abstract: This invention relates to a new synthesis, intermediates and precursors leading to a mixture of the compounds 11 and 12 as shown below. It also relates to the resolution of the stereoisomeric mixture to provide in substantial stereochemical purity compound 12. The synthesis of the invention involves preparation of compound 7 and compound 10 as shown below and their reaction to prepare a mixture of compound 11 and compound 12.
    Type: Application
    Filed: August 26, 2009
    Publication date: July 14, 2011
    Applicant: EISAI R&D MANAGEMENT CO., LTD.
    Inventors: Taiju Nakamura, Masaaki Matsuda, Yongbo Hu, Daiju Hasegawa, Yorihisa Hoshino, Kazato Inanaga, Minetaka Isomura, Nobuaki Sato, Kazuhiro Yoshizawa, George A. Moniz, Gordon D. Wilkie, Francis G. Fang, Yoshihiro Nishikawa
  • NOVEL INTERMEDIATE FOR HALICHONDRIN B ANALOG SYNTHESIS AND NOVEL DESULFONYLATION REACTION USED FOR THE INTERMEDIATE
    Publication number: 20090203771
    Abstract: The present invention provides a novel method for producing a compound represented by formula (III) shown below, which comprises treating a compound represented by formula (I) shown below with a trivalent chromium compound and at least one kind of metal selected from the group consisting of manganese and zinc in a solvent in the presence of a ligand represented by formula (II) shown below, and the present invention further provides the novel compound represented by formula (I).
    Type: Application
    Filed: November 14, 2008
    Publication date: August 13, 2009
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Kazato INANAGA, Manabu Kuboto, Akio Kayano, Katsuya Tagami