Patents by Inventor Zhenjian Du

Zhenjian Du 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: 11584726
    Abstract: The present invention belongs to the field of medicine, and specifically discloses an amino alcohol derivative represented by Formula I, a pharmaceutically acceptable salt, solvate, polymorph or prodrug thereof. In addition, the present invention also discloses a pharmaceutical composition comprising the above substances, and a use of the substance in the preparation of a medicament for the prevention and treatment of an immune inflammatory disease, or a disease or condition associated with immunological competence such as multiple sclerosis, ALS, CIDP, systemic lupus erythematosus, rheumatoid arthritis, ulcerative colitis, psoriasis, polymyositis, etc.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: February 21, 2023
    Assignee: BEIJING FORELAND PHARMA CO., LTD.
    Inventors: Qi Ji, Xingmin Zhang, Zhenjian Du, Longlong Gong, Lei Wang, Congmin Gao, Meijing Du
  • Publication number: 20210347745
    Abstract: The present invention belongs to the field of medicine, and specifically discloses an amino alcohol derivative represented by Formula I, a pharmaceutically acceptable salt, solvate, polymorph or prodrug thereof. In addition, the present invention also discloses a pharmaceutical composition comprising the above substances, and a use of the substance in the preparation of a medicament for the prevention and treatment of an immune inflammatory disease, or a disease or condition associated with immunological competence such as multiple sclerosis, ALS, CIDP, systemic lupus erythematosus, rheumatoid arthritis, ulcerative colitis, psoriasis, polymyositis, etc.
    Type: Application
    Filed: June 21, 2018
    Publication date: November 11, 2021
    Applicant: Beijing Foreland Pharma Co., Ltd.
    Inventors: Qi Ji, Xingmin Zhang, Zhenjian Du, Longlong Gong, Lei Wang, Congmin Gao, Meijing Du
  • Patent number: 10646483
    Abstract: The present invention relates to the crystal form of imidazolone type compounds, and a preparation method, pharmaceutical composition and use thereof, and falls within the field of pharmaceutical compound crystals. The crystal form provided by the present invention has a good stability, comprising good stability under the three extreme conditions of high temperature, high humidity and strong illumination, and can also maintain a good stability during the tablet compressing process. The crystal form provided by the present invention has good absorption and metabolism properties in vivo, comprising the drug concentration of blood, the drug concentration-time curve AUC, the half-life period, etc. In addition, the dissolving rate of the crystal form of the present invention is improved, wherein same is beneficial for the applications thereof in preparations.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: May 12, 2020
    Assignee: Foreland Pharma Co., Ltd.
    Inventors: Qi Ji, Zhenjian Du, Xingmin Zhang, Lei Wang, Congmin Gao, Longlong Gong
  • Publication number: 20180369233
    Abstract: The present invention relates to the crystal form of imidazolone type compounds, and a preparation method, pharmaceutical composition and use thereof, and falls within the field of pharmaceutical compound crystals. The crystal form provided by the present invention has a good stability, comprising good stability under the three extreme conditions of high temperature, high humidity and strong illumination, and can also maintain a good stability during the tablet compressing process. The crystal form provided by the present invention has good absorption and metabolism properties in vivo, comprising the drug concentration of blood, the drug concentration-time curve AUC, the half-life period, etc. In addition, the dissolving rate of the crystal form of the present invention is improved, wherein same is beneficial for the applications thereof in preparations.
    Type: Application
    Filed: January 26, 2016
    Publication date: December 27, 2018
    Applicant: Foreland Pharma Co., Ltd.
    Inventors: Qi Ji, Zhenjian Du, Xingmin Zhang, Lei Wang, Congmin Gao, Longlong Gong
  • Patent number: 10047084
    Abstract: This application relates to imidazolone compounds, pharmaceutically acceptable salts, solvents, polymorphs or prodrugs thereof, and further relates to pharmaceutical combinations comprising the foregoing substances and uses for preventing and treating protein kinase related diseases such as cancer, metabolic diseases, and cardiovascular diseases.
    Type: Grant
    Filed: November 14, 2014
    Date of Patent: August 14, 2018
    Assignee: BEIJING FORELANDPHARMA CO. LTD.
    Inventors: Xingmin Zhang, Qi Ji, Lei Wang, Congmin Gao, Ensi Wang, Zhenjian Du, Longlong Gong, Bo Chen
  • Publication number: 20160304510
    Abstract: This application relates to imidazolone compounds, pharmaceutically acceptable salts, solvents, polymorphs or prodrugs thereof, and further relates to pharmaceutical combinations comprising the foregoing substances and uses for preventing and treating protein kinase related diseases such as cancer, metabolic diseases, and cardiovascular diseases.
    Type: Application
    Filed: November 14, 2014
    Publication date: October 20, 2016
    Applicant: BEIJING FORELANDPHARMA CO. LTD.
    Inventors: Xingmin ZHANG, Qi JI, Lei WANG, Congmin GAO, Ensi WANG, Zhenjian DU, Longlong GONG, Bo CHEN
  • Publication number: 20160000756
    Abstract: Compounds of formula (I), pharmaceutical compositions comprising compounds of formula (I) and methods of inhibiting Hsp90 in a cell, treating or preventing a proliferation disorder in a mammal and treating cancer in a mammal comprising administering a compound of formula (I) to a patient or a cell. Variable R5 is an optionally substituted heteroaryl; an optionally substituted 6 to 14-membered aryl; a bicyclic 9-member heterocycle optionally substituted at any substitutable nitrogen or carbon atoms; or a substituent R18, defined herein. Ring A is an aryl or a heteroaryl optionally further substituted with one or more substituents in addition to R3. Substituent R3 is defined herein.
    Type: Application
    Filed: July 13, 2015
    Publication date: January 7, 2016
    Inventors: Weiwen Ying, Zhenjian Du, Kevin Paul Foley
  • Patent number: 9206162
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: December 8, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Kowalczyk-Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Paul Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Patent number: 9156794
    Abstract: Compounds of formula (I), pharmaceutical compositions comprising compounds of formula (I) and methods of inhibiting Hsp90 in a cell, treating or preventing a proliferation disorder in a mammal and treating cancer in a mammal comprising administering a compound of formula (I) to a patient or a cell. Variable R5 is an optionally substituted heteroaryl; an optionally substituted 6 to 14-membered aryl; a bicyclic 9-member heterocycle optionally substituted at any substitutable nitrogen or carbon atoms; or a substituent R18, defined herein. Ring A is an aryl or a heteroaryl optionally further substituted with one or more substituents in addition to R3. Substituent R3 is defined herein.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: October 13, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, Zhenjian Du, Kevin Paul Foley
  • Publication number: 20150266858
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: April 13, 2015
    Publication date: September 24, 2015
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Kowalczyk-Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Paul Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Patent number: 9108933
    Abstract: The present invention relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for treating c-Met associated cancers, in a subject in need thereof.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: August 18, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zhenjian Du, Kevin Paul Foley
  • Patent number: 9090569
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: July 28, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Teresa Przewloka, Junghyun Chae, Dinesh U. Chimmanamada, Chi-Wan Lee, Elena Kostik, Howard P. Ng, Kevin Foley, Zhenjian Du, James Barsoum
  • Patent number: 9090603
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, and prodrug thereof, wherein Ra, Rb, and R2 are defined herein. These compounds inhibit tubulin polymerization and/or target vasculature and are useful for treating proliferative disorders, such as cancer.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: July 28, 2015
    Assignee: SYNTA PHARMACEUTICALS CORPORATION
    Inventors: Lijun Sun, Christopher Borella, Hao Li, Jun Jiang, Shoujun Chen, Keizo Koya, Takayo Inoue, Zhenjian Du, Kevin Foley, Yaming Wu, Mei Zhang, Weiwen Ying
  • Publication number: 20150183771
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: December 31, 2014
    Publication date: July 2, 2015
    Inventors: Weiwen Ying, David James, Shijie Zhang, Junghyun Chae, Teresa Kowalczyk-Przewloka, Howard P. Ng, Hao Li, Zachary Demko, Dinesh U. Chimmanamada, Chi-Wan Lee, Zhenjian Du, Kevin Foley, Minghu Song, Lijun Sun, Keizo Koya, Dan Zhou, Shuzhen Qin
  • Publication number: 20150174134
    Abstract: The present invention relates to compounds that inhibit the activity of Hsp90 and inhibit topoisomerase II.
    Type: Application
    Filed: February 25, 2015
    Publication date: June 25, 2015
    Inventors: Zhenjian Du, Minghu Song, Weiwen Ying
  • Patent number: 9006277
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: April 14, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Kowalczyk-Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Paul Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Publication number: 20150094349
    Abstract: The present invention relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for treating Bcr-Abl, FLT-3, EGFR, c-Kit, B-raf, and NPM-ALK associated cancers, in a subject in need thereof.
    Type: Application
    Filed: December 11, 2014
    Publication date: April 2, 2015
    Inventors: Zhenjian Du, Kevin Paul Foley
  • Patent number: 8993608
    Abstract: The present invention relates to compounds that inhibit the activity of Hsp90 and inhibit topoisomerase II.
    Type: Grant
    Filed: March 11, 2008
    Date of Patent: March 31, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zhenjian Du, Minghu Song, Weiwen Ying
  • Patent number: 8969396
    Abstract: The present invention relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for treating Bcr-Abl, FLT-3, EGFR, c-Kit, B-raf, and NPM-ALK associated cancers, in a subject in need thereof.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: March 3, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zhenjian Du, Kevin Paul Foley
  • Patent number: 8927548
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to methods of inhibiting the activity of Hsp90 in a subject in need thereof and methods for preventing or treating hyperproliferative disorders, such as cancer, in a subject in need thereof comprising administering to the subject a substituted triazole compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: January 13, 2012
    Date of Patent: January 6, 2015
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Junghyun Chae, Teresa Kowalczyk-Przewloka, Howard P. Ng, Hao Li, Zachary Demko, Dinesh U. Chimmanamada, Chi-wan Lee, Zhenjian Du, Kevin Foley, Minghu Song, Lijun Sun, Keizo Koya, Dan Zhou, Shuzhen Qin