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: 8921407
    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: November 13, 2012
    Date of Patent: December 30, 2014
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, Shijie Zhang, Zhenjian Du, Kevin Foley
  • Publication number: 20140371222
    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: August 29, 2014
    Publication date: December 18, 2014
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Kowalczyk-Prezewloka, 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: 8901308
    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: July 16, 2012
    Date of Patent: December 2, 2014
    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: 8835464
    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 5, 2013
    Date of Patent: September 16, 2014
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Kowalczyk-Prezewloka, 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: 20140221375
    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: Application
    Filed: February 10, 2014
    Publication date: August 7, 2014
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventors: Zhenjian Du, Kevin Paul Foley
  • Publication number: 20140094436
    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: December 11, 2013
    Publication date: April 3, 2014
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventors: Weiwen Ying, Zhenjian Du, Kevin Foley
  • Publication number: 20140045795
    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: Application
    Filed: October 15, 2013
    Publication date: February 13, 2014
    Applicant: 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
  • Patent number: 8648104
    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: May 22, 2008
    Date of Patent: February 11, 2014
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zhenjian Du, Kevin Foley
  • Patent number: 8629285
    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: August 10, 2006
    Date of Patent: January 14, 2014
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, Zhenjian Du, Kevin Foley
  • Publication number: 20130345219
    Abstract: The present invention relates to compounds according to formulae (IA) to (ID) and compositions that inhibit the activity of Hsp90. 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 compound of the invention, or a composition comprising such a compound.
    Type: Application
    Filed: August 28, 2013
    Publication date: December 26, 2013
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Chi-Wan Lee, Teresa Prezewloka, Weiwen Ying, Minghu Song, Zhenjian Du, Kevin Foley, Dan Zhou, Shuzhen Qin
  • Patent number: 8598366
    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: July 26, 2012
    Date of Patent: December 3, 2013
    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: 20130296378
    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 5, 2013
    Publication date: November 7, 2013
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Prezewloka, 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: 8524712
    Abstract: The present invention relates to compounds according to formulae (IA) to (ID) and compositions that inhibit the activity of Hsp90. 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 compound of the invention, or a composition comprising such a compound.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: September 3, 2013
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Chi-Wan Lee, Teresa Przewloka, Weiwen Ying, Minghu Song, Zhenjian Du, Kevin Foley, Dan Zhou, Shuzhen Qin
  • Patent number: 8415377
    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: September 9, 2011
    Date of Patent: April 9, 2013
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Przewloka, Shijie Zhang, Dinesh Chimmanamada, Kevin Foley, Zhenjian Du, Hao Li, David James, Howard Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Patent number: 8362055
    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: June 14, 2010
    Date of Patent: January 29, 2013
    Assignee: Synta Pharmaceuticals, Inc.
    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
  • Publication number: 20120330009
    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: July 16, 2012
    Publication date: December 27, 2012
    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: 8329736
    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 20, 2012
    Date of Patent: December 11, 2012
    Assignee: Synta Pharmaceuticals, Corp.
    Inventors: Dinesh U. Chimmanamada, Weiwen Ying, Teresa Kowalczyk Przewloka, Shijie Zhang, Kevin Foley, Zhenjian Du, Dan Zhou, Shuzhen Qin
  • Patent number: 8329899
    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: February 14, 2011
    Date of Patent: December 11, 2012
    Assignee: Synta Pharmaceuticals, Corp.
    Inventors: Weiwen Ying, Shijie Zhang, Zhenjian Du, Kevin Foley
  • Patent number: 8318790
    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: May 25, 2007
    Date of Patent: November 27, 2012
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Junghyun Chae, Teresa 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: 20120289483
    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: Application
    Filed: July 26, 2012
    Publication date: November 15, 2012
    Applicant: 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