Patents by Inventor Teng-San Hsieh

Teng-San Hsieh 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).

  • INTERMEDIATE, PREPARING METHOD THEREOF, AND METHOD OF PREPARING DRUG
    Publication number: 20230234973
    Abstract: An intermediate is provided herein, and it has the structure shown in the formula (1) as follows: formula (1). In the formula (1), R1 is —Cl, —Br, —I, —OSO2CF3, —B(OH)2, or R2 is —F, —18F, —Cl, —Br, —I, —SnMe3, —SnBu3, —B(OH)2, or and A is a chiral auxiliary.
    Type: Application
    Filed: January 16, 2023
    Publication date: July 27, 2023
    Applicant: Heron Neutron Medical Corp.
    Inventors: Teng-San Hsieh, Yu-Hou Yu, Tzung-Yi Lin