Patents by Inventor Zhongbao REN

Zhongbao REN 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).

  • PREPARATION METHOD OF SULFUR-CONTAINING BIPHENYL COMPOUND
    Publication number: 20210380530
    Abstract: A preparation method of a sulfur-containing biphenylsulfur-containing biphenyl compound shown by the general formula (I) has a reaction formula as follows: Each substituent in the formula is defined in the description. In the method, halogeno benzene shown by the general formula (II) generates a coupling reaction in a catalytic system composed of a nickel compound and at least one ligand under the combined action of metallic zinc to obtain the sulfur-containing biphenyl compound shown by the general formula (I).
    Type: Application
    Filed: October 8, 2019
    Publication date: December 9, 2021
    Inventors: Haibo YU, Hao YANG, Guimin ZHAO, Zhongbao REN, Hongfei WU, Xueling WANG, Zeyong ZHANG