Patents by Inventor Longchuan Bai

Longchuan Bai 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: 20240166647
    Abstract: The present disclosure provides compounds of Formula (I), wherein A, A1, A2, A3, R3, Z and Z1 are as defined in the specification, and the salts and solvates thereof. The present disclosure also relates to uses of the compounds as cereblon (CRBN) ubiquitination inhibitors, as synthetic intermediates that can be used to prepare PROTAC molecules, or as PROTAC molecules. The present disclosure also relates to uses of the compounds, e.g., in treating or preventing cancer and other diseases.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 23, 2024
    Inventors: Shaomeng Wang, Tianfeng Xu, Dimin Wu, Zhixiang Chen, Xin Han, Weiguo Xiang, Rohan Rej, Angelo Aguilar, Longchuan Bai
  • Publication number: 20240059704
    Abstract: Described herein are compounds or conjugates of of Formulae II and I and their pharmaceutically acceptable salts, solvates, or stereoisomers, as well as their uses (e.g., as cereblon-binding agents or bifunctional degraders for degrading certain proteins).
    Type: Application
    Filed: July 12, 2023
    Publication date: February 22, 2024
    Inventors: Shaomeng Wang, Zhixiang Chen, Dimin Wu, Ranjan Kumar Acharyya, Weiguo Xiang, Rohan Rej, Longchuan Bai, Xuqing Zhang, Guozhang Xu
  • Publication number: 20240059711
    Abstract: Described herein are compounds of Formula I and conjugates of Formula I? and their pharmaceutically acceptable salts, solvates, or stereoisomers, as well as their uses (e.g., as cereblon-binding agents or bifunctional degraders for degrading certain proteins).
    Type: Application
    Filed: July 12, 2023
    Publication date: February 22, 2024
    Inventors: Shaomeng Wang, Zhixiang Chen, Dimin Wu, Yuk-Ming Siu, Rohan Rej, Ranjan Kumar Acharyya, Weiguo Xiang, Longchuan Bai
  • Publication number: 20230295197
    Abstract: Described herein are compounds of Formula I and pharmaceutically acceptable salts, solvates, or stereoisomers thereof, as well as their uses as STAT5 and/or STAT6 degraders.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 21, 2023
    Inventors: Shaomeng Wang, Atsunori Kaneshige, Longchuan Bai, Mi Wang, Jeanne Stuckey, Donna McEachern, Mingliang Wang, Renqi Xu
  • Publication number: 20230295200
    Abstract: Described herein are compounds of Formula I and pharmaceutically acceptable salts, solvates, or stereoisomers thereof, as well as their uses as STAT5 and/or STAT6 inhibitors.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 21, 2023
    Inventors: Shaomeng Wang, Atsunori Kaneshige, Longchuan Bai, Mi Wang, Jeanne Stuckey, Mingliang Wang, Renqi Xu
  • Publication number: 20230159573
    Abstract: The present disclosure provides compounds represented by Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein R1a, R1b, R3a, R4, A, E1, E2, M, and Q are as set forth in the specification. Compounds of Formula (I) are STAT protein degraders and thus are useful for the treatment of cancer and other diseases.
    Type: Application
    Filed: March 26, 2021
    Publication date: May 25, 2023
    Inventors: Shaomeng Wang, Haibin Zhou, Renqi Xu, Longchuan Bai, Donna McEachern, Jeanne Stuckey, Chao-Yie Yang
  • Publication number: 20230133504
    Abstract: The present disclosure relates to methods of treating or preventing graft-versus-host disease (GVHD) comprising administering to the subject a pharmaceutically effective amount of a compound disclosed herein. The present disclosure also relates to pharmaceutical compositions and pharmaceutical kits suitable for the treatment or prevention.
    Type: Application
    Filed: August 12, 2022
    Publication date: May 4, 2023
    Inventors: Pavan Reddy, Haibin Zhou, Dongchang Zhao, Shaomeng Wang, Longchuan Bai
  • Publication number: 20230083015
    Abstract: The present disclosure provides compounds represented by Formula I or Formula VIII: wherein R1a, R1b, M, A, E, QA, and QB are as defined in the specification, and the salts and solvates thereof. Compounds of Formula I are degraders of STAT3 or degraders of STAT3 and STAT1. Compounds of Formula VIII are inhibitors of STAT3. STAT3 degraders and inhibitors are useful for the treatment of cancer and other diseases.
    Type: Application
    Filed: March 26, 2020
    Publication date: March 16, 2023
    Inventors: Shaomeng Wang, Haibin Zhou, Renqi Xu, Longchuan Bai, Donna McEachern, Jeanne Stuckey, Chao-Yie Yang
  • Patent number: 11466028
    Abstract: The present disclosure provides compounds represented by Formula I and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, R4, Ar, L, X, Y, and B are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition or disorder responsive to degradation of BET bromodomains such as cancer.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: October 11, 2022
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Yang Hu, Chong Qin, Fuming Xu, Jiantao Hu, Bing Zhou, Zhuo Chen, Ester Fernandez-Salas, Longchuan Bai, Donna McEachern
  • Patent number: 11267822
    Abstract: The present disclosure provides compounds represented by Formula (I): Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, R4, Y, ?, Ar, W, L, and B are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I)I for use to treat a condition or disorder responsive to inhibition and/or degradation of BET bromodomains such as cancer.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: March 8, 2022
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Weiguo Xiang, Fuming Xu, Longchuan Bai, Ester Fernandez-Salas, Donna McEachern
  • Publication number: 20210284657
    Abstract: The present disclosure provides compounds represented by Formula I and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, R4, Ar, L, X, Y, and B are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition or disorder responsive to degradation of BET bromodomains such as cancer.
    Type: Application
    Filed: September 13, 2017
    Publication date: September 16, 2021
    Inventors: Shaomeng Wang, Yang Hu, Chong Qin, Fuming Xu, Jiantao Hu, Bing Zhou, Zhuo Chen, Ester Fernandez-Salas, Longchuan Bai, Donna McEachern
  • Publication number: 20210002289
    Abstract: The present disclosure provides compounds represented by Formula I: and the salts or solvates thereof, wherein X, L, Y, and B are as defined in the specification. Compounds having Formula I are immunomodulators and/or monofunctional synthetic intermediates that can be used to prepare small-molecule drug conjugates.
    Type: Application
    Filed: August 31, 2020
    Publication date: January 7, 2021
    Inventors: Yangbing Li, Angelo Aguilar, Bing Zhou, Jiantao Hu, Fuming Xu, Chong Qin, Yang Hu, Weiguo Xiang, Rohan Rej, Jiuling Yang, Xin Han, Longchuan Bai, Chao-Yie Yang
  • Publication number: 20200277305
    Abstract: The present disclosure provides compounds represented by Formula (I): Formula (I) and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2a, R2b, R3a, R3b, R4, Y, ?, Ar, W, L, and B are as defined as set forth in the specification. The present disclosure also provides compounds of Formula (I)I for use to treat a condition or disorder responsive to inhibition and/or degradation of BET bromodomains such as cancer.
    Type: Application
    Filed: September 12, 2018
    Publication date: September 3, 2020
    Inventors: Shaomeng Wang, Weiguo Xiang, Fuming Xu, Longchuan Bai, Ester Fernandez-Salas, Donna McEachern
  • Patent number: 10759808
    Abstract: The present disclosure provides compounds represented by Formula I: and the salts or solvates thereof, wherein X, L, Y, and B are as defined in the specification. Compounds having Formula I are immunomodulators and/or monofunctional synthetic intermediates that can be used to prepare small-molecule drug conjugates.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: September 1, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Yangbing Li, Angelo Aguilar, Bing Zhou, Jiantao Hu, Fuming Xu, Chong Qin, Yang Hu, Weiguo Xiang, Rohan Rej, Jiuling Yang, Xin Han, Longchuan Bai, Chao-Yie Yang
  • Patent number: 10633386
    Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein B, R1, R5, Q1, Q?, L, X, Y, and Z are as defined as set forth in the specification. The present disclosure also provides compounds of Formula I for use to treat a condition or disorder responsive to degradation of BET bromodomains such as cancer.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: April 28, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Bing Zhou, Fuming Xu, Jiantao Hu, Longchuan Bai, Chao-Yie Yang
  • Patent number: 10391175
    Abstract: Inhibitors of BET bromodomains and compositions containing the same are disclosed. Methods of using the BET bromodomain inhibitors in the treatment of diseases and conditions wherein inhibition of BET bromodomain provides a benefit, like cancers, also are disclosed.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: August 27, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Xu Ran, Yujun Zhao, Chao-Yie Yang, Liu Liu, Longchuan Bai, Donna McEachern, Jeanne Stuckey, Jennifer Lynn Meagher, Duxin Sun, Xiaoqin Li, Bing Zhou, Hacer Karatas, Ruijuan Luo, Arul Chinnaiyan, Irfan A. Asangani
  • Publication number: 20190169195
    Abstract: The present disclosure provides compounds represented by Formula I: and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein B, R1, R5, Q1, Q?, L, X, Y, and Z are as defined as set forth in the specification. The present disclosure also provids compounds of Formula I for use to treat a condition or disorder responsive to degradation of BET bromodomains such as cancer.
    Type: Application
    Filed: April 6, 2017
    Publication date: June 6, 2019
    Inventors: Shaomeng Wang, Bing Zhou, Fuming Xu, Jiantao Hu, Longchuan Bai, Chao-Yie Yang
  • Publication number: 20190119289
    Abstract: The present disclosure provides compounds represented by Formula I: and the salts or solvates thereof, wherein X, L, Y, and B are as defined in the specification. Compounds having Formula I are immunomodulators and/or monofunctional synthetic intermediates that can be used to prepare small-molecule drug conjugates.
    Type: Application
    Filed: April 6, 2017
    Publication date: April 25, 2019
    Inventors: Shaomeng Wang, Yangbing Li, Angelo Aguilar, Bing Zhou, Jiantao Hu, Fuming Xu, Chong Qin, Yang Hu, Weiguo Xiang, Rohan Rej, Jiuling Yang, Xin Han, Longchuan Bai, Chao-Yie Yang
  • Patent number: 10253044
    Abstract: The present disclosure provides substituted 9H-pyrimido[4,5-b]indoles and 5H-pyrido[4,3-b]indoles and related analogs represented by Formula I: and the pharmaceutically acceptable salts, hydrates, and solvates thereof, wherein R1a, A, B1, B2, G, X1, Y1, Y2, and Y3 are as defined as set forth in the specification. The present disclosure is also directed to the use of compounds of Formula I to treat a condition or disorder responsive to inhibition of BET bromodomains. Compounds of the present disclosure are especially useful for treating cancer.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: April 9, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Shaomeng Wang, Yujun Zhao, Bing Zhou, Angelo Aguilar, Liu Liu, Longchuan Bai, Donna McEachern, Duxin Sun, Bo Wen, Ruijuan Luo, Ting Zhao, Arul Chinnaiyan, Irfan A. Asangani, Jeanne Stuckey, Jennifer Lynn Meagher, Xu Ran, Yang Hu
  • Patent number: 9783539
    Abstract: Disclosed herein are certain indoloquinolone compounds, methods of preparation thereof, pharmaceutical compositions thereof, and uses thereof, such as their uses as ALK inhibitors.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: October 10, 2017
    Assignee: Jiangsu Ascentage Biomed Development Inc.
    Inventors: Jianyong Chen, Yunlong Zhou, Shaomeng Wang, Ming Guo, Dajun Yang, Lingling Jiao, Yu Jing, Xu Qian, Liu Liu, Longchuan Bai, Chao-Yie Yang, Donna McEachern