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: 8269017
    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: September 16, 2010
    Date of Patent: September 18, 2012
    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: 20120202813
    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 20, 2012
    Publication date: August 9, 2012
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Dinesh U. Chimmanamada, Weiwen Ying, Teresa Kowalczyk Przewloka, Shijie Zhang, Kevin Foley, Zhenjian Du, Dan Zhou, Shuzhen Qin
  • Patent number: 8183384
    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: May 22, 2012
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Dinesh U. Chimmanamada, Weiwen Ying, Teresa Przewloka, Shijie Zhang, Kevin Foley, Zhenjian Du, Dan Zhou, Shuzhen Qin
  • Publication number: 20120122869
    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: January 13, 2012
    Publication date: May 17, 2012
    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: 20110319447
    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: September 9, 2011
    Publication date: December 29, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Publication number: 20110301212
    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: August 16, 2011
    Publication date: December 8, 2011
    Inventors: Zhenjian Du, Kevin Foley
  • Patent number: 8053456
    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 8, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Weiwen Ying, Junghyun Chae, Teresa Przewloka, Shijie Zhang, Dinesh U. Chimmanamada, Kevin Foley, Zhenjian Du, Hao Li, David James, Howard P. Ng, Zachary Demko, Dan Zhou, Shuzhen Qin
  • Patent number: 8034834
    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: May 25, 2007
    Date of Patent: October 11, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zhenjian Du, Kevin Foley
  • Publication number: 20110144332
    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: February 14, 2011
    Publication date: June 16, 2011
    Inventors: Weiwen Ying, Shijie Zhang, Zhenjian Du, Kevin Foley
  • Publication number: 20110105749
    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: June 14, 2010
    Publication date: May 5, 2011
    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: 20110059893
    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: September 16, 2010
    Publication date: March 10, 2011
    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: 7884094
    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: February 16, 2006
    Date of Patent: February 8, 2011
    Assignee: Synta Pharmaceuticals Corp.
    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: 20110009397
    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: October 23, 2009
    Publication date: January 13, 2011
    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: 20100298331
    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: March 24, 2008
    Publication date: November 25, 2010
    Inventors: Chi-Wan Lee, Teresa Przewloka, Weiwen Ying, Minghu Song, Zhenjian Du, Kevin Foley, Dan Zhou, Shuzhen Qin
  • Patent number: 7825148
    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: November 17, 2005
    Date of Patent: November 2, 2010
    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
  • Publication number: 20100273846
    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: May 22, 2008
    Publication date: October 28, 2010
    Inventors: Zhenjian Du, Kevin Foley
  • Publication number: 20100249185
    Abstract: The present invention relates to compounds that inhibit the activity of Hsp90 and inhibit topoisomerase II.
    Type: Application
    Filed: March 11, 2008
    Publication date: September 30, 2010
    Inventors: Zhenjian Du, Minghu Song, Weiwen Ying
  • Patent number: 7763658
    Abstract: One embodiment of the present invention is a method of treating a subject with a multi-drug resistant cancer. The method comprises administering to the subject an effective amount of a compound represented by Structural Formula (I): Y is a covalent bond or a substituted or unsubstituted straight chained hydrocarbyl group, or, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. R1-R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group, or R1 and R3 taken together with the carbon and nitrogen atoms to which they are bonded, and/or R2 and R4 taken together with the carbon and nitrogen atoms to which they are bonded, form a non-aromatic heterocyclic ring optionally fused to an aromatic ring. Preferably R1 and R2 are the same and R3 and R4 are the same. R5-R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group.
    Type: Grant
    Filed: January 15, 2004
    Date of Patent: July 27, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Yaming Wu, Timothy Korbut, Dan Zhou, Zhenjian Du, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Mitsunori Ono
  • Publication number: 20100069442
    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: September 14, 2009
    Publication date: March 18, 2010
    Inventors: Weiwen Ying, Shijie Zhang, Zhenjian Du, Kevin Foley
  • Patent number: 7662813
    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 17, 2006
    Date of Patent: February 16, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, David James, Shijie Zhang, Teresa Przewloka, Elena Kostik, Junghyun Chae, Howard P Ng, Zhenjian Du, James Barsoum, Dinesh Chimmanamada, Chi-Wan Lee, Kevin Foley