Patents by Inventor Yuuki Aral

Yuuki Aral 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).

  • Bridged nucleic acid GuNA, method for producing same, and intermediate compound
    Patent number: 10961269
    Abstract: A method for preparing a compound represented by general formula I: or a salt thereof includes a step of reacting a compound represented by formula II: with a reducing agent to cleave an oxazolidine ring fused to a cycle A?. The reducing agent includes at least one of phosphines, metal hydrides, or transition metal catalysts in the presence of hydrogen gas.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: March 30, 2021
    Assignees: MITSUBISHI TANABE PHARMA CORPORATION, OSAKA UNIVERSITY
    Inventors: Satoshi Obika, Eiji Kawanishi, Hiroaki Sawamoto, Shuhei Yamakoshi, Yuuki Aral, Shinji Kumagai