Patents by Inventor Tianzhu WU

Tianzhu WU 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: 12152025
    Abstract: Disclosed herein are a process for preparing alkynyl-containing compound and intermediate thereof.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: November 26, 2024
    Assignees: Ascentage Pharma (Suzhou) Co., Ltd., Ascentage Pharma Goup Corp Limited, GUANGZHOU HEALTHQUEST PHARMA CO., LTD.
    Inventors: Ming Guo, Jianfeng Wen, Shangjun Teng, Tianzhu Wu, Jianpeng Feng
  • Patent number: 11787814
    Abstract: Disclosed is a method for preparing 2-indolinospirone compound and intermediate thereof, specifically disclosed is a method for preparing a compound of formula 5. The method is relatively simple and has high stereoselectivity and yield.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: October 17, 2023
    Assignees: Ascentage Pharma (Suzhou) Co., Ltd., Ascentage Pharma Group Corp Limited
    Inventors: Ming Guo, Jianfeng Wen, Jianpeng Feng, Tianzhu Wu, Huirong Lu
  • Publication number: 20230257384
    Abstract: Crystallines form or amorphous forms of bisdiazabicyclic compounds or salts thereof for the treatment and/or prevention of diseases or disorders related to hepatitis virus, and a preparation method and application thereof are provided. The crystalline forms or amorphous forms involved provide important reference value for the development and utilization of drugs in the future.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 17, 2023
    Inventors: Jianfeng Wen, Yanqiong Lin, Tianzhu Wu, Minmin Cai, Zongbin Li, Weidong Li
  • Publication number: 20230159518
    Abstract: The present invention provides crystalline forms or amorphous forms of N-(phenylsulfonyl) benzoamide compound or its salts or solvates used as a Bcl-2 inhibitor, and the preparation method and the application thereof.
    Type: Application
    Filed: March 5, 2021
    Publication date: May 25, 2023
    Applicants: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Jianfeng WEN, Jianpeng FENG, Tianzhu WU, Weidong LI, Yanqiong LIN
  • Publication number: 20230159524
    Abstract: Disclosed is a method for synthesizing N-(phenylsulfonyl)benzamide compound and intermediate thereof. The method comprises a method for synthesizing a compound 1, comprising conducting a Buchwald-Hartwig coupling reaction as shown below with compound A and compound B in a solvent and in the presence of a base and a palladium catalyst to obtain the compound 1; wherein R is C1-C8 alkyl. The present disclosure synthesizes three intermediate compounds required by the target compound and their preparation methods for the first time. Using the method disclosed in the present disclosure to synthesize the target compound 3 has the advantages of high yield, good purity, easy-to-obtain reaction raw materials, suitable for industrial production.
    Type: Application
    Filed: July 1, 2021
    Publication date: May 25, 2023
    Applicants: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Jianfeng WEN, Jianyong CHEN, Yunlong ZHOU, Jianpeng FENG, Ming GUO, Tianzhu WU, Minmin CAI, Yu JING, Lingling JIAO
  • Publication number: 20230106142
    Abstract: The invention discloses the crystal form, preparation method and application of an alkynyl compound, its salt and solvent compound. The invention specifically discloses 3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-4-methyl-N-(4-((4-methylpiperazine-1-yl)methyl)-3-(trifluoromethyl)phenyl) benzamide crystal form I and 3-((1H-pyrazolo [3,4-b]pyridin-5-yl)ethynyl)-4-methyl-N-(4-((4-methylpiperazine-1-yl)methyl)-3-(trifluoromethyl)phenyl) benzamide fumarate crystal form II. The crystal form of the invention has good stability and has important value for drug optimization and development.
    Type: Application
    Filed: July 1, 2021
    Publication date: April 6, 2023
    Inventors: Jianfeng WEN, Yanqiong LIN, Jianpeng FENG, Tianzhu WU, Zhenzhong SHAO, Weidong LI
  • Publication number: 20230064976
    Abstract: Amorphous form or crystalline form of a 2-indolinolinololylspironone compound or its salt and solvate used as an MDM2 inhibitor, a preparation method and an application thereof. The amorphous form or crystalline form of the invention has good stability and is of great value for drug development, preparation development and production.
    Type: Application
    Filed: January 22, 2021
    Publication date: March 2, 2023
    Applicants: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Jianfeng WEN, Jianpeng FENG, Tianzhu WU, Weidong LI, Yanqiong LIN, Zongbin LI
  • Patent number: 11414400
    Abstract: The present invention relates to a method for preparing sulfonamides which are inhibitors of Bcl-2/Bcl-xL, comprising the compound (3R)-1-(3-(4-(4-(4-(3-(2-(4-chlorophenyl)-1-isopropyl-4-methylsulfonyl-5-methyl-1H-pyrrol-3-yl)-5-fluorophenyl)piperazin-1-yl)-phenylaminosulfonyl)-2-trifluoro methylsulfonyl-anilino)-4-phenylthio-butyl)-4-hydroxyl-piperidine, and the present invention also relates to intermediates for the preparation of the sulfonamides, a new final product and its therapeutic use, and pharmaceutical use.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: August 16, 2022
    Assignees: ASCENTAGE PHARMA (SUZHOU) CO., LTD., ASCENTAGE PHARMA GROUP CORP LIMITED
    Inventors: Ming Guo, Jianfeng Wen, Tianzhu Wu, Huirong Lu, Feng Xu
  • Publication number: 20220112186
    Abstract: Disclosed herein are a process for preparing alkynyl-containing compound and intermediate thereof.
    Type: Application
    Filed: February 26, 2020
    Publication date: April 14, 2022
    Inventors: Ming Guo, Jianfeng Wen, Shangjun Teng, Tianzhu Wu, Jianpeng Feng
  • Publication number: 20210261558
    Abstract: Disclosed is a method for preparing 2-indolinospirone compound and intermediate thereof, specifically disclosed is a method for preparing a compound of formula 5, The method is relatively simple and has high stereoselectivity and yield.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 26, 2021
    Inventors: Ming Guo, Jianfeng Wen, Jianpeng Feng, Tianzhu Wu
  • Publication number: 20210221788
    Abstract: The present invention relates to a method for preparing sulfonamides which are inhibitors of Bcl-2/Bcl-xL, comprising the compound (3R)-1-(3-(4-(4-(4-(3-(2-(4-chlorophenyl)-1-isopropyl-4-methylsulfonyl-5-methyl-1H-pyrrol-3-yl)-5-fluorophenyl)piperazin-1-yl)-phenylaminosulfonyl)-2-trifluoro methylsulfonyl-anilino)-4-phenylthio-butyl)-4-hydroxyl-piperidine, and the present invention also relates to intermediates for the preparation of the sulfonamides, a new final product and its therapeutic use, and pharmaceutical use.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 22, 2021
    Inventors: Ming GUO, Jianfeng WEN, Tianzhu WU, Huirong LU, Feng XU