Patents by Inventor Lianghua ZOU

Lianghua ZOU 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).

  • Patent number: 11098049
    Abstract: The disclosure discloses a synthetic method for benzimidazo[1,2-c]quinazolin-6-ones and belongs to the field of organic synthesis. In the disclosure, an ?-ketoamide compound shown as Formula I and an o-phenylenediamine compound shown as Formula II are used as substrates and undergo a reaction under the action of a catalyst and a base to obtain benzimidazo[1,2-c]quinazolin-6-ones shown as Formula III. In the disclosure, benzimidazo[1,2-c]quinazolin-6-ones are prepared based on a novel and efficient action mechanism, and the disclosure has the advantages that the raw materials are cheap, the catalyst is cheap and easy to obtain, the reaction is efficient and environmentally friendly, the substrate range is wide, the yield is high, and the operation is simple.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: August 24, 2021
    Assignee: JIANGNAN UNIVERSITY
    Inventors: Lianghua Zou, Fei Ren, Biao Liu, Kai Shi, Cheng Yan, Shuai Zhu, Hao Zhu, Yuhao Cheng, Zhekang Jia
  • Publication number: 20210087199
    Abstract: The disclosure discloses a synthetic method for benzimidazo[1,2-c]quinazolin-6-ones and belongs to the field of organic synthesis. In the disclosure, an ?-ketoamide compound shown as Formula I and an o-phenylenediamine compound shown as Formula II are used as substrates and undergo a reaction under the action of a catalyst and a base to obtain benzimidazo[1,2-c]quinazolin-6-ones shown as Formula III. In the disclosure, benzimidazo[1,2-c]quinazolin-6-ones are prepared based on a novel and efficient action mechanism, and the disclosure has the advantages that the raw materials are cheap, the catalyst is cheap and easy to obtain, the reaction is efficient and environmentally friendly, the substrate range is wide, the yield is high, and the operation is simple.
    Type: Application
    Filed: December 7, 2020
    Publication date: March 25, 2021
    Inventors: Lianghua ZOU, Fei REN, Biao LIU, Kai SHI, Cheng YAN, Shuai ZHU, Hao ZHU, Yuhao CHENG, Zhekang JIA