Patents by Inventor Wenyuan Qian

Wenyuan 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).

  • Patent number: 11299475
    Abstract: A compound represented by formula (I) or an isomer or a pharmaceutically acceptable salt thereof. The present invention also relates to an application of the same in preparing a drug for treating a disease related to a PGI2 receptor.
    Type: Grant
    Filed: February 2, 2019
    Date of Patent: April 12, 2022
    Assignee: MEDSHINE DISCOVERY INC.
    Inventors: Wenyuan Qian, Chundao Yang, Guanghai Xu, Jian Li, Shuhui Chen
  • Patent number: 11230549
    Abstract: Disclosed are a series of quinolino-pyrrolidin-2-one compounds, and application thereof in preparation of drugs for ATM inhibitor-related diseases. The present disclosure specifically relates to a derivative compound represented by formula (I), tautomers thereof or pharmaceutically acceptable compositions thereof.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: January 25, 2022
    Assignee: MEDSHINE DISCOVERY INC.
    Inventors: Wenyuan Qian, Chundao Yang, Guoqiang Dai, Jian Li, Shuhui Chen
  • Patent number: 11230544
    Abstract: Disclosed is to a thiadiazole derivative and the uses thereof in preparing a drug for treating GLS1-associated diseases. Specifically disclosed is a derivative compound of formula (I), a tautomer thereof or a pharmaceutically acceptable composition thereof.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: January 25, 2022
    Assignee: MEDSHINE DISCOVERY INC.
    Inventors: Yonggang Liao, Jun Lin, Chaonan Liu, Changqing Wei, Wenyuan Qian, Chen Zhang, Zhen Gong, Jian Li, Shuhui Chen
  • Publication number: 20220017498
    Abstract: Provided is a salt of an Syk inhibitor and a crystalline form thereof, and more specifically, provided are 5-fluoro-1-methyl-3-((5-(4-(oxetan-3-yl)piperazine-1)-yl)pyridin-2-yl)amino)-6-(1H-pyrazol-3-yl)quinoline-2(1H)-ketamine hydrochloride, a crystalline form thereof, a preparation method therefor, a pharmaceutical composition thereof and a use thereof. The hydrochloride of the compound represented by formula I and the crystalline form thereof have good salt-forming properties, high stability and low hygroscopicity, have advantages in terms of physical properties, safety and metabolic stability, and have value in prepared medicines.
    Type: Application
    Filed: December 13, 2019
    Publication date: January 20, 2022
    Inventors: Wenyuan QIAN, Hongjian WANG, Ming ZHANG, Fei LIU, Lei XING, Zhongyuan HU, Yahui GUO, Yanlong LIU, Huihui ZHANG
  • Publication number: 20210403451
    Abstract: A pyrimidopyrazolone derivative as a Wee1 inhibitor and use thereof in preparation of a medicament for treating Wee1-related diseases are described. In particular, the present invention relates to a compound of formula (I), an isomer or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 30, 2021
    Inventors: Wenyuan QIAN, Chundao YANG, Zhengwei LI, Jian LI, Shuhui CHEN
  • Publication number: 20210380599
    Abstract: Disclosed are a series of quinolino-pyrrolidin-2-one compounds, and application thereof in preparation of drugs for ATM inhibitor-related diseases. The present disclosure specifically relates to a derivative compound represented by formula (I), tautomers thereof or pharmaceutically acceptable compositions thereof.
    Type: Application
    Filed: September 27, 2019
    Publication date: December 9, 2021
    Inventors: Wenyuan QIAN, Chundao YANG, Guoqiang DAI, Jian LI, Shuhui CHEN
  • Publication number: 20210338665
    Abstract: The present disclosure provides application of a compound in conformity with a general formula I, and an isomer or pharmaceutically acceptable salt thereof to preparation of a medicinal composition for treating and/or preventing a high altitude disease. The high altitude disease is selected from an acute high altitude disease or a chronic high altitude disease generated in a high altitude environment with an altitude of 2,000 m or above.
    Type: Application
    Filed: June 5, 2019
    Publication date: November 4, 2021
    Applicants: CHINESE PLA GENERAL HOSPITAL, SHIJIAZHUANG SAGACITY NEW DRUG DEVELOPMENT COMPANY, LTD.
    Inventors: Kunlun HE, Zeyu ZHANG, Xiaojian GAO, Chunlei LIU, Xin LI, Chen LI, Wenyuan QIAN, Chundao YANG, Guanghai XU, Yiwei WANG
  • Publication number: 20210206728
    Abstract: The present invention relates to benzimidazole compounds and an application thereof as IDH1 mutant inhibitors, in particular, to a compound as represented by formula (I), tautomers thereof, or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: June 26, 2019
    Publication date: July 8, 2021
    Applicant: KPC PHARMACEUTICALS, INC.
    Inventors: Dahai WANG, Wenyuan QIAN, Shilan LIU, Shuhui CHEN
  • Patent number: 11021493
    Abstract: The present disclosure provides a class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A, X, R2, R2?, R3, R4, R5, R6, and R7 of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A? plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, and other central nervous system conditions.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: June 1, 2021
    Assignee: Amgen Inc.
    Inventors: Jennifer R. Allen, Matthew P. Bourbeau, James A. Brown, Ning Chen, Michael J. Frohn, Zice Fu, Longbin Liu, Qingyian Liu, Liping H. Pettus, Wenyuan Qian, Corey Reeves, Aaron C. Siegmund
  • Publication number: 20210155621
    Abstract: Disclosed are a [1,2,4]triazolo[1,5-a]pyridine compound as JAK inhibitor and an application thereof in preparing a drug for treating a disease related to JAK or/and TYK2. Specifically, the present invention relates to a compound represented by formula (I), or an isomer or pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: August 23, 2019
    Publication date: May 27, 2021
    Applicant: Zhuhai United Laboratories Co., Ltd.
    Inventors: Weiwei MAO, Wenyuan QIAN, Xuejian ZHENG, Guoping HU, Changqing WEI, Jian LI, Shuhui CHEN
  • Publication number: 20210147394
    Abstract: Disclosed in the present invention are a polymorph A of a compound represented by formula (I), and an application thereof in preparation of drugs for treating HDAC6-associated diseases.
    Type: Application
    Filed: July 3, 2019
    Publication date: May 20, 2021
    Inventors: Qiang GUO, Changqing WEI, Yao XIAO, Lili FAN, Wenyuan QIAN
  • Publication number: 20210107894
    Abstract: The present invention relates to a class of isoindolinone derivatives and use thereof in the preparation of a medicament for treating diseases associated with a novel colony stimulating factor 1 receptor (CSF-1R) inhibitor. In particular, the present invention relates to a compound of formula (I) and a pharmaceutically acceptable salt thereof or a stereoisomer thereof.
    Type: Application
    Filed: January 3, 2019
    Publication date: April 15, 2021
    Applicants: MEDSHINE DISCOVERY INC., MEDSHINE DISCOVERY INC.
    Inventors: Wenyuan QIAN, Chundao YANG, Guanghai XU, Jie LI, Jian LI, Shuhui CHEN
  • Publication number: 20210087168
    Abstract: A compound represented by formula (I) or an isomer or a pharmaceutically acceptable salt thereof. The present invention also relates to an application of the same in preparing a drug for treating a disease related to a PGI2 receptor.
    Type: Application
    Filed: February 2, 2019
    Publication date: March 25, 2021
    Inventors: Wenyuan QIAN, Chundao YANG, Guanghai XU, Jian LI, Shuhui CHEN
  • Patent number: 10954253
    Abstract: The present invention provides a 1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one compound having an inhibitory effect on Wee1, and includes an application of the compound in treating various types of tumors.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: March 23, 2021
    Assignee: SHIJIAZHUANG SAGACITY NEW DRUG DEVELOPMENT CO., LTD.
    Inventors: Wenyuan Qian, Chundao Yang, Zhengwei Li, Jie Li, Jian Li, Shuhui Chen
  • Publication number: 20200399260
    Abstract: Disclosed are a compound as an ATR inhibitor and an application in preparing a drug as an ATR inhibitor. In particular, disclosed is a compound represented by formula (I) or an isomer or pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: February 2, 2019
    Publication date: December 24, 2020
    Inventors: Wenyuan QIAN, Jian WANG, Jie LI, Jian LI, Shuhui CHEN
  • Publication number: 20200325145
    Abstract: Disclosed in the present invention are a macrocyclic compound serving as a Weel inhibitor, and applications thereof in the preparation of drugs for treating Weel-related diseases. The present invention specifically relates to a compound represented by formula (II), an isomer thereof, and a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: October 31, 2018
    Publication date: October 15, 2020
    Inventors: Wenyuan QIAN, Chundao YANG, Zhengwei LI, Jie LI, Jian LI, Shuhui CHEN
  • Publication number: 20200231601
    Abstract: The present disclosure provides a class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: wherein variables A, X, R2, R2?, R3, R4, R5, R6, and R7 of Formula I are defined herein. This disclosure also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A? plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, and other central nervous system conditions.
    Type: Application
    Filed: December 13, 2017
    Publication date: July 23, 2020
    Applicant: AMGEN INC.
    Inventors: Jennifer R. ALLEN, Matthew P. BOURBEAU, James A. BROWN, Ning CHEN, Michael J. FROHN, Zice FU, Longbin LIU, Qingyian LIU, Liping H. PETTUS, Wenyuan QIAN, Corey REEVES, Aaron C. SIEGMUND
  • Publication number: 20200017528
    Abstract: The present invention provides a 1,2-dihydro-3H-pyrazolo[3,4-d]pyrimidin-3-one compound having an inhibitory effect on Wee1, and includes an application of the compound in treating various types of tumors.
    Type: Application
    Filed: January 19, 2018
    Publication date: January 16, 2020
    Inventors: Wenyuan QIAN, Chundao YANG, Zhengwei LI, Jie LI, Jian LI, Shuhui CHEN
  • Patent number: 10508103
    Abstract: The present invention discloses a benzimidazole-linked indole compound acting as novel divalent IAP antagonist, specifically disclosing the compound shown in formulas (I) or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: December 17, 2019
    Assignee: MEDSHINE DISCOVERY INC.
    Inventors: Fei Sun, Charles Z. Ding, Zhe Cai, Wenyuan Qian, Guoping Hu, Jian Li, Shuhui Chen
  • Publication number: 20190135794
    Abstract: The present invention discloses a benzimidazole-linked indole compound acting as novel divalent IAP antagonist, specifically disclosing the compound shown in formulas (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 27, 2017
    Publication date: May 9, 2019
    Inventors: Fei SUN, Charles Z. DING, Zhe CAI, Wenyuan QIAN, Guoping HU, Jian LI, Shuhui CHEN