Patents by Inventor Dingwei Wu

Dingwei Wu 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).

  • One-pot processes for preparing prednisolone derivatives
    Publication number: 20070117974
    Abstract: Disclosed is a one-pot process for the preparation of a prednisolone derivative of formula I, comprising reacting the compound of formula II with the compound of formula III and the compound of formula IV The process does not need to separate and purify the intermediate formed, and therefore the process reduces the reaction time and increases the yield of the product compared to the prior art.
    Type: Application
    Filed: November 20, 2006
    Publication date: May 24, 2007
    Applicant: Zhejiang Xianju Pharmaceutical Co., Ltd.
    Inventors: Minghua Ying, Dingwei Wu, Hongpeng Chen