Patents by Inventor Runsheng ZENG

Runsheng ZENG 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).

  • Method for preparing beta-lactam derivative
    Patent number: 11976060
    Abstract: The present invention relates to a method for preparing a ?-lactam derivative, wherein a substituted N-quinoline-3-butenamide derivative is used as a substrate to react with a toluene derivative or a heterocyclic derivative at 90-150° C. in the presence of DTBP and a copper salt catalyst, to prepare a ?-lactam derivative. According to the method of the present invention, a variety of ?-lactam derivatives can be obtained with a high yield. The reaction of the present invention has mild reaction conditions, and simple reaction operation and post-treatment process, and is suitable for large-scale production.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: May 7, 2024
    Assignee: SOOCHOW UNIVERSITY
    Inventors: Runsheng Zeng, Peng Shi, Yingsheng Zhao
  • METHOD FOR PREPARING BETA-LACTAM DERIVATIVE
    Publication number: 20210276986
    Abstract: The present invention relates to a method for preparing a ?-lactam derivative, wherein a substituted N-quinoline-3-butenamide derivative is used as a substrate to react with a toluene derivative or a heterocyclic derivative at 90-150° C. in the presence of DTBP and a copper salt catalyst, to prepare a ?-lactam derivative. According to the method of the present invention, a variety of ?-lactam derivatives can be obtained with a high yield. The reaction of the present invention has mild reaction conditions, and simple reaction operation and post-treatment process, and is suitable for large-scale production.
    Type: Application
    Filed: September 4, 2019
    Publication date: September 9, 2021
    Inventors: Runsheng ZENG, Peng SHI, Yingsheng ZHAO