Patents by Inventor Fangfang Lai

Fangfang Lai 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: 10975049
    Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: April 13, 2021
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Yi Zheng, Fangfang Lai, Ming Ji, Chuan Zhou, Lijing Zhang, Ke Wang, Nina Xue, Ling Li
  • Patent number: 10941129
    Abstract: The present invention discloses a benzyl phenyl ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to benzyl phenyl ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 9, 2021
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Fangfang Lai, Ming Ji, Lijing Zhang, Yi Zheng, Nina Xue, Ke Wang, Ling Li
  • Publication number: 20210040037
    Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Application
    Filed: May 23, 2017
    Publication date: February 11, 2021
    Applicants: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Yi Zheng, Fangfang Lai, Ming Ji, Chuan Zhou, Lijing Zhang, Ke Wang, Nina Xue, Ling Li
  • Patent number: 10882833
    Abstract: The present invention discloses a phenylate derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to phenylate derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: January 5, 2021
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Chuan Zhou, Fangfang Lai, Ming Ji, Xiaofeng Jin, Nina Xue, Yi Zheng, Hao Chen, Ling Li
  • Patent number: 10815208
    Abstract: Provided is a method for preparing 2-hydroxy-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1) preparing 3-aryl-2-substituted toluene derivative 2 by using 3-iodo-2-substituted toluene derivative 1 and aryl boronic acid 5 or aryl boronate as starting materials; (2) preparing a benzyl halide derivative 3 by using 3-aryl-2-substituted toluene derivative 2 as starting materials; and (3) preparing 4-(2, 3-disubstituted benzyloxy)-2-hydroxy-5-substituted benzaldehyde derivative (I) by using benzyl halide derivative 3 and 2,4-dihydroxy-5-substituted benzaldehyde 6.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: October 27, 2020
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Fangfang Lai
  • Publication number: 20200181115
    Abstract: Provided is a method for preparing 2-hydroxy-4-(2, 3-disubstituted benzyloxy)-5-substituted benzaldehyde derivative represented by formula (I). The method comprises the following steps: (1) preparing 3-aryl-2-substituted toluene derivative 2 by using 3-iodo-2-substituted toluene derivative 1 and aryl boronic acid 5 or aryl boronate as starting materials; (2) preparing a benzyl halide derivative 3 by using 3-aryl-2-substituted toluene derivative 2 as starting materials; and (3) preparing 4-(2, 3-disubstituted benzyloxy)-2-hydroxy-5-substituted benzaldehyde derivative (I) by using benzyl halide derivative 3 and 2,4-dihydroxy-5-substituted benzaldehyde 6.
    Type: Application
    Filed: May 23, 2017
    Publication date: June 11, 2020
    Applicant: Institute of Materia Medica, Chinese Academy of Medical Sciences
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Fangfang Lai
  • Publication number: 20200055819
    Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Application
    Filed: May 23, 2017
    Publication date: February 20, 2020
    Applicants: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Yi Zheng, Fangfang Lai, Ming Ji, Chuan Zhou, Lijing Zhang, Ke Wang, Nina Xue, Ling Li
  • Publication number: 20190233405
    Abstract: The present invention discloses a phenylate derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to phenylate derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Application
    Filed: May 23, 2017
    Publication date: August 1, 2019
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Chuan Zhou, Fangfang Lai, Ming Ji, Xiaofeng Jin, Nina Xue, Yi Zheng, Hao Chen, Ling Li
  • Publication number: 20150233925
    Abstract: Described herein are assays and complementary cell culture based tests, and uses thereof for determining agonists or antagonists of Na/K-ATPase/Src complex, and methods of treatment therewith.
    Type: Application
    Filed: May 8, 2013
    Publication date: August 20, 2015
    Applicant: THE UNIVERSITY OF TOLEDO
    Inventors: Zi-Jian Xie, Joseph I. Shapiro, Fangfang Lai