Patents by Inventor Shoujun Chen

Shoujun Chen 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: 20120190853
    Abstract: The invention relates to compounds of structural formula (I) or (III): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein ring A, X1, X2, X3, X5, R1, R4, Y, Z, L, m and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: January 19, 2012
    Publication date: July 26, 2012
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Jun Jiang, Junyi Zhang, Yu Xie
  • Publication number: 20120183579
    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: January 17, 2012
    Publication date: July 19, 2012
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Gary Bohnert, Zhiqiang Xia, Shoujun Chen, Lijun Sun
  • Patent number: 8202999
    Abstract: The invention relates to compounds of structural formulas (I), (VII) and (XI): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein X1, X2, X3, Y, Z, L, R1, R2, R3, R18 and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Grant
    Filed: January 6, 2006
    Date of Patent: June 19, 2012
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Shoujun Chen, Zhi-Qiang Xia, Jun Jiang, Yu Xie, Junyi Zhang
  • Patent number: 8163777
    Abstract: The invention relates to compounds of formula (XVI): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof wherein Y2, Z, L1, R9, R10, m and u are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, immune disorders, and allergic disorders.
    Type: Grant
    Filed: March 23, 2007
    Date of Patent: April 24, 2012
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Lijun Sun, Yu Xie
  • Publication number: 20120065206
    Abstract: The present invention is directed to compounds represented by structural formula (I), or a pharmaceutically acceptable salt or a transition metal chelate, coordinate or complex thereof or a transition metal chelate, coordinate or complex of a deprotonated form of the compound. Pharmaceutical composition and method of use for these compounds are also included.
    Type: Application
    Filed: December 1, 2009
    Publication date: March 15, 2012
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventors: Jun Jiang, Teresa Kowalczyk-Przewloka, Stefan M. Schweizer, Zhi-Qiang Xia, Shoujun Chen, Christopher Borella, Lijun Sun
  • Publication number: 20120064121
    Abstract: The invention relates to compounds that are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: July 31, 2008
    Publication date: March 15, 2012
    Applicant: SYNTA PHARMACEUTICALS CORP.
    Inventor: Shoujun Chen
  • Patent number: 8119643
    Abstract: Biologically active chemical compounds, namely benzoimidazolyl-pyrazine derivatives and structurally related compounds, are disclosed herein. Such compounds include those represented by structural formula (II): and as described in further detail within. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: February 21, 2012
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Jun Jiang, Junyi Zhang, Yu Xie
  • Publication number: 20120040997
    Abstract: The invention relates to compounds that are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: July 31, 2008
    Publication date: February 16, 2012
    Inventor: Shoujun Chen
  • Publication number: 20120040937
    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 7, 2011
    Publication date: February 16, 2012
    Inventors: Lijun Sun, Jun Jiang, Christopher Borella, Shoujun Chen, Keizo Koya
  • Publication number: 20120035266
    Abstract: Disclosed are bis(thio-hydrazide amide) disalts and pharmaceutical compositions thereof. Also disclosed are methods of using bis(thio-hydrazide amide) disalts to treat cancer.
    Type: Application
    Filed: October 14, 2011
    Publication date: February 9, 2012
    Applicant: 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: 20120022118
    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 4, 2011
    Publication date: January 26, 2012
    Inventors: Zachary Demko, Christopher Borella, Shoujun Chen, Lijun Sun
  • 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: 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: 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: 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
  • 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
  • Publication number: 20110015184
    Abstract: The invention relates to compounds of structural formula (Ia): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein X1, X2, X3, X4, X6, X10, R1, Y, Z, L, and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: September 28, 2010
    Publication date: January 20, 2011
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Gary Bohnert, Shoujun Chen, Yu Xie