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: 20070275960
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein R1, X1, X2, Y, Z, L, and n are defined herein. The compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: January 25, 2007
    Publication date: November 29, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Jun Jiang, Junyi Zhang, Nha Vo, Shoujun Chen
  • Publication number: 20070270478
    Abstract: What is claimed is a compound represented by the following structural formula: or a pharmaceutically acceptable salt, solvate or clathrate thereof. The variables for Structural Formula (I) are as described herein.
    Type: Application
    Filed: April 5, 2007
    Publication date: November 22, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Weiwen Ying, Jun Jiang, Mitsunori Ono, Lijun Sun
  • Publication number: 20070254925
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein R?1, X, X?, L and Y 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 25, 2007
    Publication date: November 1, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Nha Vo, Shoujun Chen, Qinglin Che, Yu Xie
  • Publication number: 20070254912
    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: Application
    Filed: March 23, 2007
    Publication date: November 1, 2007
    Inventors: Shoujun Chen, Lijun Sun, Yu Xie
  • Publication number: 20070254926
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein Y, L, X1, X2, Z, R3, R4, 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 31, 2007
    Publication date: November 1, 2007
    Inventors: Jun Jiang, Zhi-Qiang Xia, Junyi Zhang, Gary Bohnert, Shoujun Chen, Yu Xie
  • Publication number: 20070254363
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein A, Y, L, R1, W1 and W2 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 25, 2007
    Publication date: November 1, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Lijun Sun, Jun Jiang, Yu Xie
  • Publication number: 20070249051
    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: January 25, 2007
    Publication date: October 25, 2007
    Inventors: Gary Bohnert, Shoujun Chen, Yu Xie
  • Publication number: 20070249609
    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: March 20, 2007
    Publication date: October 25, 2007
    Inventors: Shoujun Chen, Jun Jiang, Junyi Zhang, Yu Xie
  • Publication number: 20070249661
    Abstract: The invention relates to compounds of formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof wherein X, Y, A, Z, L and n are defined herein. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions and immune disorders.
    Type: Application
    Filed: September 21, 2005
    Publication date: October 25, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Jun Jiang, Hao Li, David James, Dinesh Chimmanamada, Christopher Borella, Lijun Sun, Yu Xie, Mats Holmqvist, Jerome Mahiou, Zhi Xia
  • Publication number: 20070249050
    Abstract: The invention relates to compounds of structural formula (I): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein Y, L, A, W1, W2, and R?1 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 25, 2007
    Publication date: October 25, 2007
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Lijun Sun, Yu Xie
  • Publication number: 20070238699
    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 24, 2006
    Publication date: October 11, 2007
    Inventors: Zachary Demko, Christopher Borella, Shoujun Chen, Lijun Sun
  • Publication number: 20070179159
    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: November 17, 2006
    Publication date: August 2, 2007
    Inventors: Lijun Sun, Jun Jiang, Christopher Borella, Shoujun Chen, Keizo Koya
  • Patent number: 7202232
    Abstract: What is claimed is a compound represented by the following structural formula: or a pharmaceutically acceptable salt, solvate or clathrate thereof. The variables for Structural Formula (I) are as described herein.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: April 10, 2007
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Weiwen Ying, Jun Jiang, Mitsunori Ono, Lijun Sun
  • Publication number: 20060281811
    Abstract: Disclosed is a method of preparing a thiohydrazide product compound from a hydrazide starting compound. The hydrazide starting compound is represented by Structural Formula (I): The thiohydrazide product compound is represented by Structural Formula (II): In Structural Formulas (I)-(II), R1 and R2 are independently an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group, or R1 and R2 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. When R2 is an aryl group or a substituted aryl group, then R5 is a hydrazine protecting group; and when R2 is an aliphatic or substituted aliphatic group, then R5 is —H or a hydrazine protecting group. R10 is —H or a substituted or unsubstituted alkyl group. The method comprising the step of reacting the starting compound with a thionylating reagent.
    Type: Application
    Filed: May 24, 2006
    Publication date: December 14, 2006
    Inventors: Shoujun Chen, Lijun Sun, Zhi-Qiang Xia, Keizo Koya, Mitsunori Ono
  • Publication number: 20060270873
    Abstract: A method of preparing a bis(thio-hydrazide amide) disalt includes the steps of combining a neutral bis(thio-hydrazide amide), an organic solvent and a base to form a bis(thio-hydrazide amide) solution; and combining the solution and methyl tert-butyl ether, thereby precipitating a disalt of the bis(thio-hydrazide amide). In some embodiments, a method of preparing a bis(thio-hydrazide amide) disalt includes the steps of combining a neutral bis(thio-hydrazide amide) and an organic solvent selected from methanol, ethanol, acetone, and methyl ethyl ketone to make a mixture; adding at least two equivalents of a base selected from sodium hydroxide, potassium hydroxide, sodium methoxide, potassium methoxide, sodium ethoxide and potassium ethoxide to the mixture, thereby forming a solution; and combining the solution and methyl tert-butyl ether to precipitate the disalt of the bis(thio-hydrazide amide).
    Type: Application
    Filed: May 11, 2006
    Publication date: November 30, 2006
    Inventors: Shoujun Chen, Zhi-Qiang Xia
  • Publication number: 20060217389
    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: February 16, 2006
    Publication date: September 28, 2006
    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: 20060199845
    Abstract: The invention relates to compounds of structural formulas (I) and (XVI): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein X1, X2, Z, L, L2, R1, R2, R3, R21, n, q, and t 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 25, 2006
    Publication date: September 7, 2006
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Shoujun Chen, Jun Jiang, Zhi-Qiang Xia, Yu Xie, Chih-Yi Yu
  • Publication number: 20060173006
    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: Application
    Filed: January 6, 2006
    Publication date: August 3, 2006
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Shoujun Chen, Zhi-Qiang Xia, Jun Jiang, Yu Xie, Junyi Zhang
  • Publication number: 20060173021
    Abstract: The invention relates to compounds of structural formula (I) and structural formula (VI): or a pharmaceutically acceptable salt, solvate, clathrate, or prodrug thereof, wherein R, R1, R2, 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: January 25, 2006
    Publication date: August 3, 2006
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Shoujun Chen, Jun Jiang, Yu Xie, Chih-Yi Yu
  • Patent number: 7081466
    Abstract: Disclosed is a compound represented by Structural Formula (I): R1 is a substituted or unsubstituted 2-imidazolyl group which is optionally fused to a substituted or unsubstituted aryl group. Z1 is ?O, ?S, ?NOR11. R is represented by a Structural Formula selected from (II)–(VII): The variables in Structural Formulas (II)–(VII) are described herein.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: July 25, 2006
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Mitsunori Ono, David James, Weiwen Ying, Shoujun Chen