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: 20100324143
    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: Application
    Filed: August 30, 2010
    Publication date: December 23, 2010
    Inventors: Keizo Koya, Lijun Sun, Elena Kostik, Farid Vaghefi, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Takayo Inoue, Zhi-Qiang Xia
  • Publication number: 20100311787
    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: March 5, 2010
    Publication date: December 9, 2010
    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 Qiang Xia
  • Publication number: 20100279410
    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: April 27, 2010
    Publication date: November 4, 2010
    Inventors: Zachary Demko, Christopher Borella, Shoujun Chen, Lijun Sun
  • Publication number: 20100280075
    Abstract: Disclosed is a compound represented by the Structural Formula (I): Y is a covalent bond, a phenylene group or a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 and R2 are independently an aryl group or a substituted aryl group, R3 and R4 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R5-R6 are independently —H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group. R7 and Rg are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and Rg is a substituted or unsubstituted aryl group, or, R7 and R8, taken together, are a C2-C6 substituted or unsubstituted alkylene group. Z is ?O or ?S.
    Type: Application
    Filed: January 25, 2010
    Publication date: November 4, 2010
    Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
  • Publication number: 20100273751
    Abstract: This invention relates to certain biologically active chemical compounds, namely benzoimidazolyl-pyrazine derivatives or pharmaceutically acceptable salts, solvates, clathrates, or prodrugs thereof. These compounds are useful as immunosuppressive agents and for treating and preventing inflammatory conditions, allergic disorders, and immune disorders.
    Type: Application
    Filed: September 19, 2008
    Publication date: October 28, 2010
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Jun Jiang, Junyi Zhang, Lijun Sun
  • Publication number: 20100256132
    Abstract: The invention relates to heterocyclic compounds, compositions including the 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: March 24, 2010
    Publication date: October 7, 2010
    Applicant: Synta Pharmaceuticals Corporation
    Inventors: Lijun Sun, Elena Kostik, Teresa Przewloka, Howard P. Ng, Dinesh Chimmanamada, Zachary Demko
  • Patent number: 7795313
    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: July 15, 2009
    Date of Patent: September 14, 2010
    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: 20100227860
    Abstract: This invention relates to disalt nitrogen-heteroaryl inhibitors of IL-12 production, and related methods and pharmaceutical compositions.
    Type: Application
    Filed: May 18, 2010
    Publication date: September 9, 2010
    Applicant: Synta Pharmaceuticals Corporation
    Inventors: Elena Kostik, Lijun Sun
  • Patent number: 7781462
    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 24, 2006
    Date of Patent: August 24, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Zachary Demko, Christopher Borella, Shoujun Chen, Lijun Sun
  • 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: 20100173413
    Abstract: This invention features compounds of formula (I): pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12-related diseases and disorders.
    Type: Application
    Filed: March 11, 2010
    Publication date: July 8, 2010
    Applicant: Synta Pharmaceuticals Corporation
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Howard P. Ng, Zachary Demko
  • Patent number: 7750042
    Abstract: One embodiment of the present invention is a compound represented by the Structural Formula (I): Y is a covalent bond of a substituted or unsubstituted straight chained hydrocarbyl group. In addition, Y, taken together with both >C?Z groups to which it is bonded, is a substituted or unsubstituted aromatic group. Preferably, Y is a covalent bond or —C(R7R8)—. R1 is an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, or a substituted non-aromatic heterocyclic group, R2-R4 are independently —H, an aliphatic group, a substituted aliphatic group, a non-aromatic heterocyclic group, a substituted non-aromatic heterocyclic 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.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: July 6, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono, Zhi-Qiang Xia
  • Patent number: 7745436
    Abstract: This invention relates to disalt nitrogen-heteroaryl inhibitors of IL-12 production, and related methods and pharmaceutical compositions.
    Type: Grant
    Filed: April 13, 2005
    Date of Patent: June 29, 2010
    Assignee: Synta Pharmaceuticals Corporation
    Inventors: Elena Kostik, Lijun Sun
  • Publication number: 20100137562
    Abstract: The present invention includes compositions and methods for the identification, characterization and use of a novel anti-viral protein that includes a mitochondrial anti-viral signaling protein.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 3, 2010
    Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: Zhijian Chen, Rashu Bhargava Seth, Lijun Sun, Xiao-Dong Li
  • Publication number: 20100130522
    Abstract: The invention relates to certain compounds according to Formula (I): 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 27, 2010
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: JUN JIANG, Junyi Zhang, Shoujun Chen, Lijun Sun
  • Publication number: 20100130510
    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 27, 2010
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: SHOUJUN CHEN, Junyi Zhang, Jun Jiang, Gary Bohnert, Nha Vo, Qinglin Che, Zhiqiang Xia, Lijun Sun
  • Publication number: 20100125080
    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 20, 2010
    Inventors: Gary Bohnert, Zhiqiang Xia, Shoujun Chen, Lijun Sun
  • Publication number: 20100120722
    Abstract: This invention relates to pyrimidine compounds of formula (I), formula (I?), and formula (I?): and pharmaceutically acceptable salts, solvates, clathrates, and prodrugs thereof, wherein R1, R2, R3, R4, R5, U, V, W, X, Y, Z, and n are defined herein. This invention also relates to compositions comprising these compounds and methods for using them. The compounds and compositions of this invention are useful to treat or prevent disorders associated with excessive bone loss, including, without limitation periodontal disease, non-malignant bone disorders (such as osteoporosis, Pagers-disease of bone, osteogenesis imperfecta, fibrous dysplasia, and primary hyperparathyroidism) estrogen deficiency, inflammatory bone loss, bone malignancy, arthritis, osteopetrosis, and certain cancer-related disorders (such as hypercalcemia of malignancy (HCM), osteolytic bone lesions of multiple myeloma and osteolytic bone metastases of breast cancer and other metastatic cancers).
    Type: Application
    Filed: January 15, 2010
    Publication date: May 13, 2010
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Keizo Koya, Masazumi Nagai
  • Patent number: 7709518
    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: Grant
    Filed: September 21, 2005
    Date of Patent: May 4, 2010
    Assignee: 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 Qiang Xia
  • Patent number: 7705029
    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: April 5, 2007
    Date of Patent: April 27, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Weiwen Ying, Jun Jiang, Mitsunori Ono, Lijun Sun