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).
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Publication number: 20240139327Abstract: 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: ApplicationFiled: February 9, 2022Publication date: May 2, 2024Inventors: Yuanshan YAO, Ao LI, Junwei SHI, Guoqing CAO
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Publication number: 20240124479Abstract: 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: ApplicationFiled: December 17, 2021Publication date: April 18, 2024Inventors: Yuanshan Yao, Linbo Luan, Yongkai Chen, Chaodong Wang
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Publication number: 20240083873Abstract: 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: ApplicationFiled: November 3, 2021Publication date: March 14, 2024Inventors: Yuanshan Yao, Guozhong Ye, Linbo Luan, Yongkai Chen, Chaodong Wang
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Publication number: 20230099739Abstract: 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: ApplicationFiled: March 10, 2021Publication date: March 30, 2023Inventors: Ao LI, Prabhakar Kondaji JADHAV, Yuanshan YAO, Yile CHEN, Guoqing CAO
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Patent number: 11524958Abstract: 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: GrantFiled: July 21, 2017Date of Patent: December 13, 2022Assignee: 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
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Publication number: 20220081445Abstract: 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: ApplicationFiled: January 16, 2020Publication date: March 17, 2022Inventors: Zhaoyin WANG, Bing YAO, Yuanshan YAO, Ao LI, Guoqing CAO
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Publication number: 20210403466Abstract: 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: ApplicationFiled: July 21, 2017Publication date: December 30, 2021Inventors: Bin CHEN, Yuanshan YAO, Yuan CHEN, Ao LI, Ran XU, Zhensheng HUANG, Dongdong TIAN, Hongwei LI, Chengshuai YANG, Jian LI, Shuhui Chen
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Patent number: 11155559Abstract: 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: GrantFiled: July 18, 2018Date of Patent: October 26, 2021Assignee: CHINA RESOURCES PHARMACEUTICAL HOLDINGS COMPANY LIMITEDInventors: Yuanshan Yao, Li Zhang, Zhaoguo Chen, Lele Zhao, Lingyun Wu, Shuhui Chen
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Patent number: 11034681Abstract: 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: GrantFiled: January 18, 2019Date of Patent: June 15, 2021Inventors: Yuanshan Yao, Bin Chen, Feng Gao, Yuan Chen, Ran Xu, Chengshuai Yang, Sheng Zhang, Jian Li, Shuhui Chen
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Publication number: 20200347040Abstract: 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: ApplicationFiled: January 18, 2019Publication date: November 5, 2020Inventors: Yuanshan Yao, Bin CHEN, Feng Gao, Yuan Chen, Ran Xu, Chengshuai Yang, Sheng Zhang, Jian Li, Shuhui Chen
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Patent number: 10800765Abstract: 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: GrantFiled: July 21, 2017Date of Patent: October 13, 2020Assignee: 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
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Publication number: 20200207772Abstract: 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: ApplicationFiled: July 18, 2018Publication date: July 2, 2020Inventors: Yuanshan YAO, Li ZHANG, Zhaoguo CHEN, Lele ZHAO, Lingyun WU, Shuhui CHEN
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Patent number: 10626100Abstract: 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: GrantFiled: December 21, 2017Date of Patent: April 21, 2020Assignees: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTERInventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
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Publication number: 20190248770Abstract: 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: ApplicationFiled: July 21, 2017Publication date: August 15, 2019Inventors: Yuanshan YAO, Bin CHEN, Yuan CHEN, Ao LI, Ran XU, Zhensheng HUANG, Dongdong TIAN, Hongwei LI, Chengshuai YANG, Jian LI, Shuhui Chen
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Publication number: 20180118709Abstract: 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: ApplicationFiled: December 21, 2017Publication date: May 3, 2018Applicants: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTERInventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
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Patent number: 9890136Abstract: 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: GrantFiled: December 23, 2014Date of Patent: February 13, 2018Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK MEMORIAL SLOAN-KETTERING CANCER CENTERInventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao
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Patent number: 9856264Abstract: 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: GrantFiled: April 21, 2015Date of Patent: January 2, 2018Assignee: Medshine Discovery Inc.Inventors: Lingyun Wu, Yuanshan Yao, Zhaoguo Chen, Shuhui Chen
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Publication number: 20170037050Abstract: 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: ApplicationFiled: April 21, 2015Publication date: February 9, 2017Applicant: MEDSHINE DISCOVERY INC.Inventors: Lingyun WU, Yuanshan YAO, Zhaoguo CHEN, Shuhui CHEN
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Publication number: 20160347732Abstract: 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: ApplicationFiled: December 23, 2014Publication date: December 1, 2016Applicants: THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK, MEMORIAL SLOAN-KETTERING CANCER CENTERInventors: Ronald Breslow, Paul Marks, Adaickapillai Mahendran, Yuanshan Yao