Patents by Inventor Lijun Sun

Lijun Sun 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: 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: 20110294814
    Abstract: Disclosed are compounds of Formula (I) and methods of using compounds of the invention for treating a subject with a proliferative disorder, such as cancer, and methods for treating disorders responsive to Hsp70 induction and/or natural killer induction. Also, disclosed are pharmaceutical compositions comprising compounds of the invention and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: February 20, 2009
    Publication date: December 1, 2011
    Inventors: Teresa Kowalczyk-Prezewloka, Lijun Sun
  • Publication number: 20110294798
    Abstract: The invention relates to cyclic hydrazone compounds, compositions including the cyclic hydrazone compounds and methods of using and methods of making thereof. The compounds (and compositions) are useful, inter alia, in modulating IL-12 production and processes mediated by IL-12.
    Type: Application
    Filed: December 23, 2010
    Publication date: December 1, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Zachary Demko, Lijun Sun, Howard P. Ng
  • Patent number: 8058297
    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 2, 2009
    Date of Patent: November 15, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Jun Jiang, Christopher Borella, Shoujun Chen, Keizo Koya
  • 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: 8048925
    Abstract: Disclosed are bis(thio-hydrazide amide) disalts, which are represented by Structural Formula (I): Y is a covalent bond or a substituted or unsubstituted straight chained hydrocarbyl 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. Z is —O or —S. M+ is a pharmaceutically acceptable monovalent cation and M2+ is a pharmaceutically acceptable divalent cation. Also, disclosed are pharmaceutical compositions comprising a bis(thio-hydrazide amide) disalt described above. Further disclosed are methods of treating a subject with cancer. The methods comprise the step of administering an effective amount of a bis(thio-hydrazide amide) disalt described above.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: November 1, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Elena Kostik, Farid Vaghefi, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Takayo Inoue, Zhi-Qiang Xia
  • Publication number: 20110245262
    Abstract: Disclosed are compounds and methods of using compounds of the invention for treating a subject with a proliferative disorder, such as cancer, and methods for treating disorders responsive to Hsp70 induction and/or natural killer induction. Also, disclosed are pharmaceutical compositions comprising compounds of the invention and a pharmaceutically acceptable carrier.
    Type: Application
    Filed: August 20, 2007
    Publication date: October 6, 2011
    Inventors: Lijun Sun, Keizo Koya, Shoujun Chen, Zachary Demko, Zhi-Qiang Xia
  • Publication number: 20110196025
    Abstract: At least 70% by weight of Compound 1 is the single crystalline form, Form A, Form C, or Form D, of the compound. A pharmaceutical composition comprises a pharmaceutically acceptable carrier or diluent, and compound 1, wherein at least 70% by weight of the compound is the single crystalline form, Form A, Form C, or Form D, of the compound. A method of treating a subject with cancer comprises administering to the subject an effective amount of compound 1 or the pharmaceutical composition.
    Type: Application
    Filed: November 28, 2008
    Publication date: August 11, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Elena I. Kostik, Lijun Sun, Joanna Dziewiszek, Jun Y. Choi
  • Publication number: 20110195094
    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 13, 2008
    Publication date: August 11, 2011
    Inventors: Weiwen Ying, Lijun Sun, Keizo Koya, Dinesh U. Chimmanamada, Shijie Zhang, Teresa Kowalcyzk Przewloka, Hao Li
  • Publication number: 20110118281
    Abstract: The invention relates to certain compounds, or pharmaceutically acceptable salts, solvates, clathrates, or prodrugs thereof, that are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: October 1, 2009
    Publication date: May 19, 2011
    Inventors: Gary Bohnert, Zhiqiang Xia, Shoujun Chen, Lijun Sun
  • Publication number: 20110105483
    Abstract: The present invention relates to substituted triazole compounds and compositions comprising substituted triazole compounds. The invention further relates to the use of a substituted triazole compound of the invention, or a composition comprising such a compound in the preparation of a medicament for preventing or treating hyperprolif erative disorders, such as cancer, in a subject in need thereof.
    Type: Application
    Filed: February 8, 2008
    Publication date: May 5, 2011
    Inventors: Dinesh U. Chimmanamada, Joseph A. Burlison, Weiwen Ying, Lijun Sun, Stefan Michael Schweizer, Shijie Zhang, Zachary Demko, David James, Teresa Przewloka
  • Patent number: 7935698
    Abstract: This invention relates to compounds having a formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, hydrate, prodrug or polymorph thereof wherein X is —C(Rg)?N-A. The invention also relates to methods of treating IL-12 overproduction-related disorders, methods of treating or preventing disorders related with excessive bone loss, methods for inhibiting osteoclast formation, and methods for treating or preventing a disorder associated with excessive bone resorption.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: May 3, 2011
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Elena Kostik, Howard P. Ng
  • Publication number: 20110098476
    Abstract: Disclosed herein are methods of preparing a bis(thio-hydrazide amides) compounds of the following structural formula: wherein R1, R2, R3, R4, R5, R6 and R13 are defined herein.
    Type: Application
    Filed: March 31, 2009
    Publication date: April 28, 2011
    Inventors: Shoujun Chen, Jun Jiang, Lijun Sun, Keizo Koya
  • Patent number: 7923557
    Abstract: Disclosed herein is a regioselective synthesis of compounds represented by formula (I): or a salt, solvate, clathrate, or prodrug thereof, wherein X, Y, R2, R3, R4, R7, R8, R9, R10, m and n are defined as within.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: April 12, 2011
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Shijie Zhang, Elena Kostik, Lijun Sun
  • Patent number: 7919487
    Abstract: This invention relates to compounds of formula (I): their compositions and methods of use thereof. The compounds (and compositions) are useful in modulating IL-12 production and processes mediated by IL-12.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: April 5, 2011
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Lijun Sun, Shijie Zhang, Keizo Koya, Dinesh Chimmanamada, Hao Li, David James, Elena Kostik
  • 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
  • Publication number: 20110052643
    Abstract: The invention relates to certain fused ring compounds, or pharmaceutically acceptable salts thereof, that are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: January 7, 2009
    Publication date: March 3, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Qinglin Che, Nha Huu Vo, Shoujun Chen, Lijun Sun
  • 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
  • Patent number: 7872005
    Abstract: This invention relates to compounds of formula (I): or pharmaceutically acceptable salts, solvate, clathrates hydrates or polymorphs thereof, their compositions and methods of use and methods of making thereof. The compounds (and compositions) are useful in modulating IL-12 production and processes mediated by IL-12.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: January 18, 2011
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Lijun Sun, Zachary Demko, Yumiko Wada, Shijie Zhang
  • Patent number: 7863270
    Abstract: The invention relates to cyclic hydrazone compounds and compositions including the cyclic hydrazone compounds according to formula (I): The compounds (and compositions) are useful, inter alia, in modulating IL-12 production and processes mediated by IL-12.
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: January 4, 2011
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zachary Demko, Lijun Sun, Howard P. Ng