Patents Assigned to PHARMARESOURCES (SHANGHAI) CO., LTD.
  • Process for preparation of lactone derivatives and intermediates thereof
    Patent number: 10611739
    Abstract: A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: April 7, 2020
    Assignee: PHARMARESOURCES (SHANGHAI) CO., LTD.
    Inventors: Ping Chen, Shaoping Peng, Yinqiang Li, Dafeng Li, Xuejun Dong