Patents by Inventor Yuanshan Yao

Yuanshan Yao 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).

  • Publication number: 20240139327
    Abstract: The present invention provides a prodrug compound, a preparation method, and the use thereof. In particular, the present invention provides a compound as represented by formula (I), a preparation method, and the use thereof as a prodrug for preparing topical formulations.
    Type: Application
    Filed: February 9, 2022
    Publication date: May 2, 2024
    Inventors: Yuanshan YAO, Ao LI, Junwei SHI, Guoqing CAO
  • Publication number: 20240124479
    Abstract: A pyrimidine carboxamide compound as shown in formula I, or a tautomer, mesomer, racemate, enantiomer and diastereomer thereof, or a mixture form thereof, or a pharmaceutically acceptable salt thereof, which can be used as a Vanin enzyme inhibitor, and can be used to prepare a medicament for treating various conditions, including Crohn's disease and ulcerative colitis.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 18, 2024
    Inventors: Yuanshan Yao, Linbo Luan, Yongkai Chen, Chaodong Wang
  • Publication number: 20240083873
    Abstract: Disclosed are a pyrimidine carboxamide compound and an application thereof. Further provided are a pyrimidine carboxamide compound represented by formula (I), or a tautomer, mesomer, racemate, enantiomer, or diastereomer thereof, a mixture form thereof, or a pharmaceutically acceptable salt thereof. The compound can be used as a Vanin enzyme inhibitor, and can be used to prepare a drug for treating various diseases, including Crohn's disease, ulcerative colitis, and so on.
    Type: Application
    Filed: November 3, 2021
    Publication date: March 14, 2024
    Inventors: Yuanshan Yao, Guozhong Ye, Linbo Luan, Yongkai Chen, Chaodong Wang
  • Publication number: 20230099739
    Abstract: The present invention provides a JAK kinase inhibitor and a preparation and application thereof, and the present invention specifically provides a compound having a structure represented in the following formula I, an enantiomer thereof, or a pharmaceutically acceptable salt thereof. The compound has uniquely advantageous JAK kinase inhibitory activity, and as such may be used for treatment of a disease or illness related to JAK kinase activity or expression level.
    Type: Application
    Filed: March 10, 2021
    Publication date: March 30, 2023
    Inventors: Ao LI, Prabhakar Kondaji JADHAV, Yuanshan YAO, Yile CHEN, Guoqing CAO
  • Patent number: 11524958
    Abstract: Provided are a tricyclic compound as shown in formula (I) as a CRTH2 inhibitor, or a pharmaceutically acceptable salt, a tautomer, a stereoisomer or a solvate thereof, and the use thereof in treating diseases related to CRTH2 receptors.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: December 13, 2022
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Bin Chen, Yuanshan Yao, Yuan Chen, Ao Li, Ran Xu, Zhensheng Huang, Dongdong Tian, Hongwei Li, Chengshuai Yang, Jian Li, Shuhui Chen
  • Publication number: 20220081445
    Abstract: The present invention relates to a novel molecule with protein tyrosine kinase inhibitory activity, and the synthesis and usage thereof. Specifically, the present invention relates to compound by formula A, pharmaceutically acceptable salts, hydrates or solvates thereof, and the synthesis and usage thereof.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 17, 2022
    Inventors: Zhaoyin WANG, Bing YAO, Yuanshan YAO, Ao LI, Guoqing CAO
  • Publication number: 20210403466
    Abstract: Provided are a tricyclic compound as shown in formula (I) as a CRTH2 inhibitor, or a pharmaceutically acceptable salt, a tautomer, a stereoisomer or a solvate thereof, and the use thereof in treating diseases related to CRTH2 receptors.
    Type: Application
    Filed: July 21, 2017
    Publication date: December 30, 2021
    Inventors: Bin CHEN, Yuanshan YAO, Yuan CHEN, Ao LI, Ran XU, Zhensheng HUANG, Dongdong TIAN, Hongwei LI, Chengshuai YANG, Jian LI, Shuhui Chen
  • Patent number: 11155559
    Abstract: Disclosed are a class of isoquinoline compounds acting as RHO protein kinase inhibitors, and the use thereof in the preparation of a drug for treating diseases associated with RHO protein kinase. Particularly disclosed are compounds as shown in formula (I) and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: October 26, 2021
    Assignee: CHINA RESOURCES PHARMACEUTICAL HOLDINGS COMPANY LIMITED
    Inventors: Yuanshan Yao, Li Zhang, Zhaoguo Chen, Lele Zhao, Lingyun Wu, Shuhui Chen
  • Patent number: 11034681
    Abstract: Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: June 15, 2021
    Inventors: Yuanshan Yao, Bin Chen, Feng Gao, Yuan Chen, Ran Xu, Chengshuai Yang, Sheng Zhang, Jian Li, Shuhui Chen
  • Publication number: 20200347040
    Abstract: Disclosed are a crystal form of an indole derivative (compound 1) and a pharmaceutical composition and preparation method thereof. The crystal form is used to prepare a drug for treating a disease related to a CRTH2 receptor.
    Type: Application
    Filed: January 18, 2019
    Publication date: November 5, 2020
    Inventors: Yuanshan Yao, Bin CHEN, Feng Gao, Yuan Chen, Ran Xu, Chengshuai Yang, Sheng Zhang, Jian Li, Shuhui Chen
  • Patent number: 10800765
    Abstract: The present application discloses an indole as represented by formula (I) used as a CRTH2 inhibitor, and a pharmaceutically acceptable salt or tautomer of the indole, and an application of same in treating a disease related to a CRTH2 receptor.
    Type: Grant
    Filed: July 21, 2017
    Date of Patent: October 13, 2020
    Assignee: CHIA TAI TIANQING PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Yuanshan Yao, Bin Chen, Yuan Chen, Ao Li, Ran Xu, Zhensheng Huang, Dongdong Tian, Hongwei Li, Chengshuai Yang, Jian Li, Shuhui Chen
  • Publication number: 20200207772
    Abstract: Disclosed are a class of isoquinoline compounds acting as RHO protein kinase inhibitors, and the use thereof in the preparation of a drug for treating diseases associated with RHO protein kinase. Particularly disclosed are compounds as shown in formula (I) and pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: July 18, 2018
    Publication date: July 2, 2020
    Inventors: Yuanshan YAO, Li ZHANG, Zhaoguo CHEN, Lele ZHAO, Lingyun WU, Shuhui CHEN
  • Patent number: 10626100
    Abstract: The present invention provides a compound having the structure: wherein R1 is halogen, —NR5R6, —NR5—C(?O)—R6, —NH—C(?O)—OR7, —OR7, —NO2, —CN, —SR7, —SO2R7, —CO2R7, CF3, —SOR7, —POR7, —C(?S)R7, —C(?O)—NR5R6, —CH2—C(?O)—NR5R6, —C(?NR5)R6, —P(?O)(OR5)(OR6), —P(OR5)(OR6), —C(?S)R7, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, aryl, heteroaryl, or heterocyclyl, wherein R5, R6, and R7 and are each, independently, H, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, heteroalkyl, hydroxyalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C1-5 alkyl-aryl, or C1-5 alkyl-NH-aryl; Ar1 is phenyl or thiophene; wherein when Ar1 is phenyl, then R1 is other than —C(?O)—NR5R6, where one of R5 or R6 is phenyl or quinoline and the other of R5 or R6 is hydroxyalkyl, or where one of R5 or R6 is quinoline and the other of R5 or R6 is H; and wherein when Ar1 is phenyl, then R1 is other than —NR5—C(?O)—R6, where one of R5 is H and R6 is quinoline, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 21, 2020
    Assignees: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTER
    Inventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
  • Publication number: 20190248770
    Abstract: The present application discloses an indole as represented by formula (I) used as a CRTH2 inhibitor, and a pharmaceutically acceptable salt or tautomer of the indole, and an application of same in treating a disease related to a CRTH2 receptor.
    Type: Application
    Filed: July 21, 2017
    Publication date: August 15, 2019
    Inventors: Yuanshan YAO, Bin CHEN, Yuan CHEN, Ao LI, Ran XU, Zhensheng HUANG, Dongdong TIAN, Hongwei LI, Chengshuai YANG, Jian LI, Shuhui Chen
  • Publication number: 20180118709
    Abstract: The present invention provides a compound having the structure: wherein R1 is halogen, —NR5R6, —NR5—C(?O)—R6, —NH—C(?O)—OR7, —OR7, —NO2, —CN, —SR7, —SO2R7, —CO2R7, CF3, —SOR7, —POR7, —C(?S)R7, —C(?O)—NR5R6, —CH2—C(?O)—NR5R6, —C(?NR5)R6, —P(?O)(OR5)(OR6), —P(OR5)(OR6), —C(?S)R7, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, aryl, heteroaryl, or heterocyclyl, wherein R5, R6, and R7 and are each, independently, H, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, heteroalkyl, hydroxyalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C1-5 alkyl-aryl, or C1-5 alkyl-NH-aryl; Ar1 is phenyl or thiophene; wherein when Ar1 is phenyl, then R1 is other than —C(?O)—NR5R6, where one of R5 or R6 is phenyl or quinoline and the other of R5 or R6 is hydroxyalkyl, or where one of R5 or R6 is quinoline and the other of R5 or R6 is H; and wherein when Ar1 is phenyl, then R1 is other than —NR5—C(?O)—R6, where one of R5 is H and R6 is quinoline, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 21, 2017
    Publication date: May 3, 2018
    Applicants: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTER
    Inventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
  • Patent number: 9890136
    Abstract: The present invention provides a compound having the structure: wherein R1 is halogen, —NR5R6, —NR5—C(?O)—R6, —NH—C(?O)—OR7, —OR7, —NO2, —CN, —SR7, —SO2R7, —CO2R7, CF3, —SOR7, —POR7, —C(?S)R7, —C(?O)—NR5R6, —CH2—C(?O)—NR5R6, —C(?NR5) R6, —P(?O)(OR5)(OR6), —P(OR5)(OR6), —C(?S)R7, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, aryl, heteroaryl, or heterocyclyl, wherein R5, R6, and R7 and are each, independently, H, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, heteroalkyl, hydroxyalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C1-5 alkyl-aryl, or C1-5 alkyl-NH-aryl; Ar1 is phenyl or thiophene; wherein when Ar1 is phenyl, then R1 is other than —C(?O)—NR5R6, where one of R5 or R6 is phenyl or quinoline and the other of R5 or R6 is hydroxyalkyl, or where one of R5 or R6 is quinoline and the other of R5 or R6 is H; and wherein when Ar1 is phenyl, then R1 is other than —NR5—C(?O)—R6, where one of R5 is H and R6 is quinoline, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: February 13, 2018
    Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK MEMORIAL SLOAN-KETTERING CANCER CENTER
    Inventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
  • Patent number: 9856264
    Abstract: The present invention discloses a class of isoquinolinesulfonyl derivatives as RHO kinase inhibitors, and pharmaceutical compositions thereof, and relates to pharmaceutically acceptable uses thereof. Specifically, the present invention relates to a compound as represented by formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: January 2, 2018
    Assignee: Medshine Discovery Inc.
    Inventors: Lingyun Wu, Yuanshan Yao, Zhaoguo Chen, Shuhui Chen
  • Publication number: 20170037050
    Abstract: The present invention discloses a class of isoquinolinesulfonyl derivatives as RHO kinase inhibitors, and pharmaceutical compositions thereof, and relates to pharmaceutically acceptable uses thereof. Specifically, the present invention relates to a compound as represented by formula (I), or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 21, 2015
    Publication date: February 9, 2017
    Applicant: MEDSHINE DISCOVERY INC.
    Inventors: Lingyun WU, Yuanshan YAO, Zhaoguo CHEN, Shuhui CHEN
  • Publication number: 20160347732
    Abstract: The present invention provides a compound having the structure: wherein R1 is halogen, —NR5R6, —NR5—C(?O)—R6, —NH—C(?O)—OR7, —OR7, —NO2, —CN, —SR7, —SO2R7, —CO2R7, CF3, —SOR7, —POR7, —C(?S)R7, —C(?O)—NR5R6, —CH2—C(?O)—NR5R6, —C(?NR5) R6, —P(?O)(OR5)(OR6), —P(OR5)(OR6), —C(?S)C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, aryl, heteroaryl, or heterocyclyl, wherein R5, R6, and R7 and are each, independently, H, C1-5 alkyl, C2-5 alkenyl, C2-5 alkynyl, heteroalkyl, hydroxyalkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, C1-5 alkyl-aryl, or C1-5 alkyl-NH-aryl; Ar1 is phenyl or thiophene; wherein when Ar1 is phenyl, then R1 is other than —O(?O)—NR5R6, where one of R5 or R6 is phenyl or quinoline and the other of R5 or R6 is hydroxyalkyl, or where one of R5 or R6 is quinoline and the other of R5 or R6 is H; and wherein when Ar1 is phenyl, then R1 is other than —NR5—C(?O)—R6, where one of R5 is H and R6 is quinoline, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 23, 2014
    Publication date: December 1, 2016
    Applicants: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTER
    Inventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao