Patents by Inventor Xiaobei HU

Xiaobei HU 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: 20260224529
    Abstract: A small molecular compound has a substituted phenylspiro[indoline-3,3?-pyrrolidine]structure. The compound is of formula I. The compound can inhibit the protein-protein interaction between MDM2-p53 and MDMX-p53, is used as a small molecular inhibitor for the protein-protein interaction between MDM2-p53 and MDMX-p53, and is used in the preparation of a drug for preventing and/or treating diseases related to MDM2 and MDMX, especially tumors.
    Type: Application
    Filed: October 2, 2023
    Publication date: August 6, 2026
    Inventors: Yujun ZHAO, Jia LI, Yubo ZHOU, Jing CHENG, Ziqin YAN, Xilin LYU, Shiyan ZHANG, Feilong ZHOU, Chen LIU, Zhitong LIN, Kailong JIANG, Dehua XU, Xiaobei HU
  • Patent number: 12698277
    Abstract: The present invention provides a 2-polysubstituted aromatic ring-pyrimidine derivative and an optical isomer thereof, or a pharmaceutically acceptable salt or solvate thereof, the compound, and an optical isomer thereof or a pharmaceutically thereof acceptable salts or solvates can be used in the preparation of anti-tumor drugs. The invention designs and synthesizes a series of novel small molecule Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained by structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess potent anticancer activity, Chk1 kinase inhibitory activity, and are promising Chk1 inhibitors, and can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: August 4, 2026
    Assignees: ZHEJIANG UNIVERSITY, SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Publication number: 20260167620
    Abstract: Disclosed in the present invention are a Bruton's tyrosine kinase degrading agent, which has a structure represented by general formula 1, or a stereoisomer, a mixture of stereoisomers, or a pharmaceutically acceptable salt and a prodrug thereof, Further disclosed are the uses of the compound and a pharmaceutical composition containing same in the preparation of a drug for treating Bruton's tyrosine kinase-related diseases such as B cell or plasma cell proliferative diseases, The compound of the present invention has potent cell proliferation inhibitory activity, effectively degrades Bruton's tyrosine kinase, and has a good liver particle metabolism stability and good oral absorption properties. The compound can be used alone in drugs or in combination with other drugs for treating a disease, disorder or condition that benefits from the inhibition of the Bruton's tyrosine kinase activity or degradation of the Bruton's tyrosine kinase.
    Type: Application
    Filed: November 22, 2022
    Publication date: June 18, 2026
    Inventors: Xinglu ZHOU, Jia LI, Xingguo LIU, Yubo ZHOU, Miao HU, Xiaomin LUO, Jiangfeng XIE, Weijuan KAN, Yizhe WU, Xiaobei HU, Mingbo SU
  • Patent number: 12459921
    Abstract: The present invention relates to a polysubstituted isoindoline compound as shown in general formula (I), and a preparation method, a pharmaceutical composition and the use thereof. In particular, the polysubstituted isoindoline compound is provided in the present invention as a class of novel CRL4CRBN E3 ubiquitin ligase modulators in structure, wherein same has a stronger antitumor activity and antitumor spectrum, and can be used to prepare drugs for treating CRL4CRBN E3 ligase-related diseases.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: November 4, 2025
    Assignee: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Inventors: Xiaohua Chen, Jia Li, Yu Cheng, Yubo Zhou, Huijun Nie, Yujie Wang, Hongtao Tian, Weijuan Kan, Tian Mi, Xiaobei Hu, Binshan Zhou, Kenian Yan, Gaoya Xu, Yuhua Zhong, Lei Feng
  • Publication number: 20250042862
    Abstract: Disclosed are an aromatic heterocyclic compound and an application thereof. The aromatic heterocyclic compound is represented by formula I, and the compound has good LSD1 enzyme inhibitory activity, and can be used as an LSD1 inhibitor for treatment of tumors etc.
    Type: Application
    Filed: November 10, 2022
    Publication date: February 6, 2025
    Inventors: Bing XIONG, Jia LI, Tongchao LIU, Yubo ZHOU, Cong LI, Na LI, Weijuan KAN, Mingbo SU, Li SHENG, Xiaobei HU
  • Publication number: 20240270753
    Abstract: The present invention relates to a heterocyclic compound for inhibiting SHP2 activity that is represented by formula I, a preparation method therefor and use thereof. The compound of the present invention is effective in treating a disease or disorder or condition mediated by SHP2.
    Type: Application
    Filed: March 30, 2022
    Publication date: August 15, 2024
    Inventors: Bing ZHOU, Jia LI, Yubo ZHOU, Xiangbo YANG, Bo FENG, Yaxi YANG, Xiaobei HU
  • Publication number: 20230295144
    Abstract: The present invention provides a 2-polysubstituted aromatic ring-pyrimidine derivative and an optical isomer thereof, or a pharmaceutically acceptable salt or solvate thereof, the compound, and an optical isomer thereof or a pharmaceutically thereof acceptable salts or solvates can be used in the preparation of anti-tumor drugs. The invention designs and synthesizes a series of novel small molecule Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained by structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess potent anticancer activity, Chk1 kinase inhibitory activity, and are promising Chk1 inhibitors, and can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Application
    Filed: January 24, 2023
    Publication date: September 21, 2023
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Patent number: 11591325
    Abstract: The present invention provides a 2-polysubstituted aromatic ring-pyrimidine derivative and an optical isomer thereof, or a pharmaceutically acceptable salt or solvate thereof, the compound, and an optical isomer thereof or a pharmaceutically thereof acceptable salts or solvates can be used in the preparation of anti-tumor drugs. The invention designs and synthesizes a series of novel small molecule Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained by structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess potent anticancer activity, Chk1 kinase inhibitory activity, and are promising Chk1 inhibitors, and can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: February 28, 2023
    Assignees: ZHEJIANG UNIVERSITY, SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Publication number: 20220041576
    Abstract: The present invention relates to a polysubstituted isoindoline compound as shown in general formula (I), and a preparation method, a pharmaceutical composition and the use thereof. In particular, the polysubstituted isoindoline compound is provided in the present invention as a class of novel CRL4CRBN E3 ubiquitin ligase modulators in structure, wherein same has a stronger antitumor activity and antitumor spectrum, and can be used to prepare drugs for treating CRL4CRBN E3 ligase-related diseases.
    Type: Application
    Filed: September 30, 2019
    Publication date: February 10, 2022
    Inventors: Xiaohua CHEN, Jia LI, Yu CHENG, Yubo ZHOU, Huijun NIE, Yujie WANG, Hongtao TIAN, Weijuan KAN, Tian MI, Xiaobei HU, Binshan ZHOU, Kenian YAN, Gaoya XU, Yuhua ZHONG, Lei FENG
  • Publication number: 20210284625
    Abstract: The present invention provides a 2-polysubstituted aromatic ring-pyrimidine derivative and an optical isomer thereof, or a pharmaceutically acceptable salt or solvate thereof, the compound, and an optical isomer thereof or a pharmaceutically thereof acceptable salts or solvates can be used in the preparation of anti-tumor drugs. The invention designs and synthesizes a series of novel small molecule Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained by structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess potent anticancer activity, Chk1 kinase inhibitory activity, and are promising Chk1 inhibitors, and can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 16, 2021
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Patent number: 10822327
    Abstract: A 2-substituted aromatic ring-pyrimidine derivative as shown in a general formula I, and an optical isomer or a pharmaceutically acceptable salt or a solvate thereof are provided. The present invention designs and synthesizes a series of novel small molecular Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained through structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess strong anti-cancer effect, Chk1 kinase inhibitory activity and are promising Chk1 inhibitors. The compounds can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: November 3, 2020
    Assignees: ZHEJIANG UNIVERSITY, SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Publication number: 20190375727
    Abstract: A 2-substituted aromatic ring-pyrimidine derivative as shown in a general formula I, and an optical isomer or a pharmaceutically acceptable salt or a solvate thereof are provided. The present invention designs and synthesizes a series of novel small molecular Chk1 inhibitors by using N-substituted pyridin-2-aminopyrimidine obtained through structure-based virtual screening as a lead compound, and carries out Chk1 kinase inhibitory activity test. The experiment confirmed that said compounds possess strong anti-cancer effect, Chk1 kinase inhibitory activity and are promising Chk1 inhibitors. The compounds can be used as new cancer therapeutic drugs, which can be applied to treat solid tumors or hematologic tumors related to proliferative disease of human or animal.
    Type: Application
    Filed: November 8, 2017
    Publication date: December 12, 2019
    Inventors: Tao Liu, Jia Li, Yongzhou Hu, Yubo Zhou, Xiaowu Dong, Anhui Gao, Pinrao Song, Peipei Wang, Lexian Tong, Xiaobei Hu, Mingbo Su
  • Patent number: 9856288
    Abstract: Disclosed are a tripeptide epoxyketone compound, a preparation method thereof, and a use thereof in the preparation of anti-tumor drugs.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 2, 2018
    Assignees: ZHEJIANG UNIVERSITY, SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Yongzhou Hu, Jia Li, Tao Liu, Jiankang Zhang, Yubo Zhou, Bo Yang, Qiaojun He, Lei Xu, Xiaobei Hu
  • Publication number: 20170022250
    Abstract: Disclosed are a tripeptide epoxyketone compound, a preparation method thereof, and a use thereof in the preparation of anti-tumor drugs.
    Type: Application
    Filed: March 11, 2015
    Publication date: January 26, 2017
    Inventors: Yongzhou HU, Jia LI, Tao LIU, Jiankang ZHANG, Yubo ZHOU, Bo YANG, Qiaojun HE, Lei XU, Xiaobei HU