Patents by Inventor Kaixian Chen

Kaixian Chen 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: 20240033244
    Abstract: A YTH N6-Methyladenosine RNA Binding Protein 1 (YTHDF1) attenuating agent, with a compound, and when bound to YTHDF1, the compound binds to amino acid residues 372-392, 479-494 and 526-535 of SEQ ID NO: 1. A modified antigen presenting cell (mAPC), with the mAPC being treated with a YTHDF1 attenuating agent. A composition, with a YTHDF1 attenuating agent, a mAPC treated with the YTHDF1 attenuating agent, and optionally a pharmaceutically acceptable carrier. A method for attenuating an activity of YTHDF1, by administering an effective amount of a YTHDF1 attenuating agent. A method for determining whether or not a candidate agent is a YTHDF1 attenuating agent, by contacting the candidate agent with a YTHDF1 mutant. A method for treating a disease, disorder or condition associated with an expression of an antigen in a subject in need thereof.
    Type: Application
    Filed: July 8, 2021
    Publication date: February 1, 2024
    Applicants: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES, HANGZHOU LEADING EDGE PHARMACEUTICAL LTD., SHANGHAI KANGQIAN BIOTECHNOLOGY LIMITED
    Inventors: Cheng LUO, Meng XU, Shijie CHEN, Yilin LI, Yantao CHEN, Hualiang JIANG, Kaixian CHEN, Zhanpeng JIANG
  • Patent number: 11873292
    Abstract: The present invention relates to the fields of medicinal chemistry and pharmacotherapy, and specifically relates to the chemical compound of formula (I), and its racemate, R-isomer, S-isomer, pharmaceutically acceptable salt, and mixtures thereof, as well as its method for preparation, a pharmaceutical composition containing said chemical compound, and use as a lysine-specific demethylase 1 (LSD 1) inhibitor. The cyclopropylamine chemical compound to which the present invention relates may be used in the treatment of cancer.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: January 16, 2024
    Assignee: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Inventors: Hong Liu, Jia Li, Wei Zhu, Yubo Zhou, Jiang Wang, Mingbo Su, Shuni Wang, Wei Xu, Chunpu Li, Weijuan Kan, Hualiang Jiang, Kaixian Chen
  • Patent number: 11730742
    Abstract: Disclosed is use of a thieno[3,2-d]pyrimidin-4-one compound represented by general formula (I). Definition of each substituent is as stated in the description and claims, and the compound is used for preparing medicines for treating and/or preventing liver fibrosis and related diseases or preparing a DPP-4 inhibitor, or is used as a DPP-4 inhibitor.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: August 22, 2023
    Assignee: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Hong Liu, Jia Li, Jiang Wang, Yi Zang, Jian Li, Jingya Li, Dandan Sun, Hualiang Jiang, Kaixian Chen
  • Publication number: 20230138310
    Abstract: Use of an aldehyde-based compound as represented by general formula I, a pharmaceutical composition, a pharmaceutical salt, an enantiomer, a diastereomer and a racemic compound thereof as a novel coronavirus 2019 (2019-nCov) 3CL protease inhibitor in preparation of a medicament for treating and/or preventing and relieving respiratory tract infections, pneumonia and other related diseases caused by the novel coronavirus infection 2019.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 4, 2023
    Inventors: Hong LIU, Jian LI, Wenhao DAI, Jingjing PENG, Xiong XIE, Shulei HU, Chunpu LI, Yechun XU, Haitao YANG, Leike ZHANG, Haixia SU, Hualiang JIANG, Zhenming JIN, Gengfu XIAO, Kaixian CHEN
  • Publication number: 20230133600
    Abstract: A class of ketoamide-based compounds, in particular, a ketoarnide-based compound as represented by general formula A is provided. The ketoamide compound may be used as a 2019 novel coronavirus (2019-nCov) 3 CL protease inhibitor and/or human cathepsin L inhibitor, and/or may be used in the preparation of a medicament for treating and/or preventing and relieving respiratory tract infection, pneumonia and other related diseases caused by 2019 novel coronavirus infection. Pharmaceutical compositions of the class of compounds, pharmaceutical salts, enantiomeric forms, diastereoisomers and racemic compounds thereof in the preparation of a medicament for treating and/or preventing and relieving respiratory tract infections and other related diseases caused by the 2019 novel coronavirus infection are also provided.
    Type: Application
    Filed: January 28, 2021
    Publication date: May 4, 2023
    Inventors: Hong LIU, Jian LI, Jingjing PENG, Xiong XIE, Wenhao DAI, Shulei HU, Chunpu LI, Leike ZHANG, Zhenming JIN, Yechun XU, Gengfu XIAO, Haitao YANG, Fang BAI, Xi CHENG, Hualiang JIANG, Kaixian CHEN
  • Publication number: 20230010368
    Abstract: The present invention provides a crystalline form of an acetylcholinesterase inhibitor, a preparation method therefor and application thereof. Specifically, the crystalline form is crystalline form A, crystalline form B and crystalline form C of 2-((1-(2-fluorobenzyl)-4-fluoropiperidin-4-yl) methylene)-5, 6-dimethoxy-2, 3-dihydro-1-indanone. The crystalline form of the present invention does not contain water and solvent, has high stability and low hygroscopicity, is easy to process, and is very suitable for preparing drugs for preventing and/or treating neurodegenerative diseases.
    Type: Application
    Filed: November 24, 2020
    Publication date: January 12, 2023
    Inventors: Hong LIU, Yu ZHOU, Haiyan ZHANG, Yan FU, Jian LI, Hualiang JIANG, Xican TANG, Kaixian CHEN
  • Patent number: 11529321
    Abstract: The present invention relates to use of an aminomethylenecyclohexane-1,3-dione compound, more particularly to use of a compound shown in the following formula (I) or a pharmaceutically acceptable salt thereof alone or in combination with other drug in preparing a drug for regulating or treating a disease related to autophagy, especially mammalian ATG8 homologous proteins.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: December 20, 2022
    Assignee: WIGEN BIOMEDICINE TECHNOLOGY (SHANGHAI) CO., LTD.
    Inventors: Cheng Luo, Liyan Yue, Wei Wan, Yuanyuan Zhang, Hualiang Jiang, Kaixian Chen
  • Patent number: 11319303
    Abstract: It is related to compounds used as autophagy modulators and a method for preparing and using the same, specifically providing a compound of general formula (I), or pharmaceutically acceptable salts thereof, which is a type of autophagy modulators, particularly mammalian ATG8 homologues modulators.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: May 3, 2022
    Assignee: WIGEN BIOMEDICINE TECHNOLOGY (SHANGHAI) CO., LTD.
    Inventors: Cheng Luo, Yuli Xie, Bing Zhou, Zhiyi Yao, Liyan Yue, Wei Wan, Bidong Zhang, Yuanyuan Zhang, Hualiang Jiang, Kaixian Chen
  • Publication number: 20220112177
    Abstract: A ketoamide compound and a preparation method, a pharmaceutical composition, and a use thereof. Specifically, the ketoamide compound shown in formula (A), a racemate, an enantiomer, or a diastereoisomer thereof, or any mixture of same, or a pharmaceutically active metabolite thereof, or a pharmaceutically acceptable salt, solvate, or prodrug thereof. The ketoamide compound can effectively inhibit coronavirus or Ebola virus, and thereby implement the prevention or treatment of diseases related to coronavirus or diseases related to Ebola virus.
    Type: Application
    Filed: August 9, 2019
    Publication date: April 14, 2022
    Inventors: Hong Liu, Shibo Jiang, Wenhao Dai, Lu Lu, Jingjing Peng, Shuai Xia, Jiang Wang, Jian Li, Hualiang Jiang, Kaixian Chen
  • Publication number: 20210221807
    Abstract: Provided are a class of fused-cyclic pyrazolone formamide compounds and a preparation method therefor, a pharmaceutical composition and the use thereof. Specifically, provided is a compound having the structure as shown in formula (I) (with each group defined in the description). The compound can be used as an AXL inhibitor in the preparation of a pharmaceutical composition for treating tumors.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 22, 2021
    Inventors: Hong LIU, Meiyu GENG, Yu ZHOU, Jian DING, Feifei FANG, Jing AI, Jian LI, Xia PENG, Hualiang JIANG, Yinchun JI, Kaixian CHEN
  • Patent number: 11021457
    Abstract: The present invention provides an isoindolone-imide ring-1,3-dione-2-ene compound, and a preparation method, a pharmaceutical composition and use thereof. Specifically, the present invention provides a compound of Formula (I) below or a pharmaceutically acceptable salt thereof, wherein Ar is an isoindolinone-imide group represented by Formula (II), L is absent or is a divalent, trivalent or tetravalent linking group, and X is a group represented by Formula (III). Definitions of the other groups are as described in the specification. The compound of Formula (I) is an autophagy modulators, particularly a mammalian ATG8 homolog modulator.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: June 1, 2021
    Assignee: WIGEN BIOMEDICINE TECHNOLOGY (SHANGHAI) CO., LTD.
    Inventors: Zhiyi Yao, Cheng Luo, Yuli Xie, Liyan Yue, Wei Wan, Yuanyuan Zhang, Hualiang Jiang, Kaixian Chen
  • Patent number: 10966996
    Abstract: Disclosed is a Glechoma longituba (Nakai) Kupr. extract, specifically compounds I and II, a preparation method for same, and a use thereof in preparing a medicament for blood glucose decease, blood lipids decrease, weight loss, and kidney disease treatment or a method for treatment of said diseases, and a composition containing the extract.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: April 6, 2021
    Assignees: SHANGHAI INSTITUTE OF MATERIA MEDICA CHINESE ACADEMY OF SCIENCES, NANJING PAILEXING PHARMACEUTICAL TECHNOLOGY LTD.
    Inventors: Weiliang Zhu, Heyao Wang, Yong Zhang, Peng Sun, Bo Li, Zhijian Xu, Hualiang Jiang, Kaixian Chen
  • Patent number: 10927107
    Abstract: The present invention relates to phenyl [a]indole[2,3-g]quinolizine compounds represented by formula (I), a preparation method therefor, a pharmaceutical composition, and applications thereof. Specific applications are applications in the preparation of drugs for treating diseases related to a proprotein convertase subtilisin Kexin-9 (PCSK9), comprising the applications in the preparation of drugs for treating hyperlipemia, hypercholesterolemia, hypertriglyceridemia, fatty liver deformation, atherosclerosis, obesity and other metabolic diseases.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: February 23, 2021
    Assignee: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Inventors: Hong Liu, Yiping Wang, Fei Zhao, Jing Zhao, Jiang Wang, Cong Xi, Chenglin Wu, Hao Shen, Xu Han, Hualiang Jiang, Kaixian Chen
  • Publication number: 20210040066
    Abstract: Disclosed are a novel tetrahydroisoquinoline compound, a method for preparing intermediates thereof, a pharmaceutical composition thereof and the use thereof. The tetrahydroisoquinoline compound of the present invention has a good inhibitory effect on phosphodiesterase (PDE4), and can be used in the prevention, treatment or auxiliary treatment of multiple diseases associated with the activity or expression of phosphodiesterase, especially PDE4-associated immune and inflammatory diseases, such as psoriasis and arthritis.
    Type: Application
    Filed: February 3, 2019
    Publication date: February 11, 2021
    Inventors: Yechun XU, Hong LIU, Wei TANG, Xianglei ZHANG, Zhanni GU, Heng LI, Xu HAN, Fenghua ZHU, Chunlan FENG, Guangyu DONG, Tiantian CHEN, Wuyan CHEN, Hualiang JIANG, Kaixian CHEN
  • Publication number: 20210015824
    Abstract: Disclosed is use of a thieno[3,2-d]pyrimidin-4-one compound represented by general formula (I). Definition of each substituent is as stated in the description and claims, and the compound is used for preparing medicines for treating and/or preventing liver fibrosis and related diseases or preparing a DPP-4 inhibitor, or is used as a DPP-4 inhibitor.
    Type: Application
    Filed: March 8, 2019
    Publication date: January 21, 2021
    Inventors: Hong LIU, Jia LI, Jiang WANG, Yi ZANG, Jian LI, Jingya LI, Dandan SUN, Hualiang JIANG, Kaixian CHEN
  • Patent number: 10875883
    Abstract: Disclosed is a method for synthesizing a novel chiral ligand, a metal chelate, a variety of non-natural amino acids, Maraviroc and a key intermediate thereof. In the invention, (R)-2-methyl proline is selected and used as a starting raw material, (S)-?3-amino acid is obtained by asymmetric resolution induced by using a nickel chelate, and Maraviroc is synthesized by using (S)-3-amino-3-phenylpropionic acid as a key intermediate with a high yield and the ee value reaching 98.2% or more. The method of the present invention has widely available materials, mild synthetic process conditions, is easy to control, and produces a product of a high optical purity.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: December 29, 2020
    Assignee: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Hong Liu, Jiang Wang, Shengbin Zhou, Panfeng Peng, Yong Nian, Shuni Wang, Shuangjie Shu, Hao Shen, Hualiang Jiang, Kaixian Chen
  • Patent number: 10836743
    Abstract: Provided is a fluorinated cyclopropylamine compound represented by formula I, a racemate thereof, an R-isomer thereof, an S-isomer thereof, a pharmaceutical salt thereof, and a mixture thereof. Also provided are pharmaceutical compositions containing the compound, a preparation method for the compound, and uses thereof as a lysine specific demethylase 1 (LSD1) inhibitor, and in the treatment of cancers.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: November 17, 2020
    Assignee: SHANGHAI INSTITUTE OF MATERIA MEDICA, CHINESE ACADEMY OF SCIENCES
    Inventors: Hong Liu, Jia Li, Jiang Wang, Mingbo Su, Shuni Wang, Yubo Zhou, Wei Zhu, Wei Xu, Chunpu Li, Hualiang Jiang, Kaixian Chen
  • Patent number: 10800776
    Abstract: A fluorine-containing triazolopyridine represented by formula (I) and a racemate, R-stereoisomer, S-stereoisomer, pharmaceutically acceptable salt, or mixture thereof are described. The triazolopyridine can be used as a positive allosteric modulator of an mGluR2, and is highly selective in activating the mGluR2, exerting no activation or very limited activation of other homologous metabotropic glutamate receptor. The triazolopyridine can thus be used to prepare a product for treating an mGluR2-related disease, such as a central nervous system disease or neurological disease.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: October 13, 2020
    Assignee: Shanghai Institute of Materia Medica, Chinese Academy of Sciences
    Inventors: Hong Liu, Yu Zhou, Wenjing Xia, Dong Zhang, Hualiang Jiang, Kaixian Chen
  • Publication number: 20200190066
    Abstract: It is related to compounds used as autophagy modulators and a method for preparing and using the same, specifically providing a compound of general formula (I), or pharmaceutically acceptable salts thereof, which is a type of autophagy modulators, particularly mammalian ATG8 homologues modulators.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 18, 2020
    Inventors: Cheng LUO, Yuli XIE, Bing ZHOU, Zhiyi YAO, Liyan YUE, Wei WAN, Bidong ZHANG, Yuanyuan ZHANG, Hualiang JIANG, Kaixian CHEN
  • Publication number: 20200170966
    Abstract: The present invention relates to use of an aminomethylenecyclohexane-1,3-dione compound, more particularly to use of a compound shown in the following formula (I) or a pharmaceutically acceptable salt thereof alone or in combination with other drug in preparing a drug for regulating or treating a disease related to autophagy, especially mammalian ATG8 homologous proteins.
    Type: Application
    Filed: May 18, 2018
    Publication date: June 4, 2020
    Inventors: Cheng LUO, Liyan YUE, Wei WAN, Yuanyuan ZHANG, Hualiang JIANG, Kaixian CHEN