Patents by Inventor Xiaoyuan QIAN

Xiaoyuan QIAN 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).

  • SYNTHESIS METHOD FOR N-METHYL-3-SUBSTITUTED METHYL-4-PYRAZOLAMIDE DERIVATIVE AND N-METHYL-3-SUBSTITUTED METHYL-4-PYRAZOLIC ACID
    Publication number: 20240083852
    Abstract: The present application relates to a synthesis method for N-methyl-3-substituted methyl-4-pyrazolamide derivative and N-methyl-3-substituted methyl-4-pyrazolic acid, including the following steps: step S1: synthesis of intermediate E; step S2: synthesis of intermediate D; step S3: synthesis of intermediate C; step S4: synthesis of N-methyl-3-substituted methyl-4-pyrazolamide derivative; and synthesis of N-methyl-3- substituted methyl-4-pyrazolic acid by decomposition of N-methyl-3-substituted methyl-4-pyrazolamide derivative.
    Type: Application
    Filed: August 16, 2023
    Publication date: March 14, 2024
    Inventors: Shengxue LIU, Yintao SHI, Qiang GONG, Sufang ZHONG, Jianjiang ZHANG, Xiaoyuan QIAN, Fang GUO, Rujun CHEN, Xiaoying JIAN