Patents Assigned to Synta Pharmaceuticals Corp.
  • 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: 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: 7709683
    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: Grant
    Filed: May 11, 2006
    Date of Patent: May 4, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, 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
  • Patent number: 7696202
    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: Grant
    Filed: November 10, 2005
    Date of Patent: April 13, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Elena Kostik, Teresa Przewloka, Howard P. Ng, Dinesh Chimmanamada, Zachary Demko
  • Patent number: 7678832
    Abstract: Disclosed herein are compositions comprising a compound represented by structural formula (I): 2 g of which is reconstitutable in 10 mL of a water in less than 10 minutes, and methods for preparing these compositions. Also disclosed are compositions comprising a compound represented by structural formula (I) and a pharmaceutically acceptable excipient, wherein the molar ratio of said compound to said excipient is from 1:20 to 1:1, and methods for preparing these compositions.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: March 16, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Walter J. Lunsmann, Ninad Deshpanday
  • Patent number: 7671092
    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 R8 are each independently —H, an aliphatic or substituted aliphatic group, or R7 is —H and R8 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: Grant
    Filed: January 18, 2008
    Date of Patent: March 2, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Shoujun Chen, Noriaki Tatsuta, Yaming Wu, Mitsunori Ono
  • 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
  • Patent number: 7652168
    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: Grant
    Filed: August 29, 2008
    Date of Patent: January 26, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Lijun Sun, Zhi-Qiang Xia, Keizo Kova, Mitsunori Ono
  • Patent number: 7645904
    Abstract: Disclosed herein are methods of purifying a bis(thio-hydrazide amides) compounds of the following structural formula: wherein R1, R2, R3, R4, R7, R8, Z, and Y are defined herein.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: January 12, 2010
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Shoujun Chen, Zhi-Qiang Xia, Elena I. Kostik, Keizo Koya, Lijun Sun
  • Patent number: 7615552
    Abstract: This invention provides fused heterocyclic compounds, pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12 related disease and disorders.
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: November 10, 2009
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Zachary Demko, Dinesh Chimmanamada
  • Patent number: 7608635
    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: Grant
    Filed: August 10, 2006
    Date of Patent: October 27, 2009
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Weiwen Ying, Shijie Zhang, Zhenjian Du, Kevin Foley
  • Publication number: 20090253694
    Abstract: This invention provides fused heterocyclic compounds, pharmaceutical compositions of the compounds, and methods of using the compounds for the treatment of, inter alia, IL-12 related disease and disorders.
    Type: Application
    Filed: February 20, 2009
    Publication date: October 8, 2009
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Mitsunori Ono, Lijun Sun, Yumiko Wada, Teresa Przewloka, Hao Li, Zachary Demko, Dinesh Chimmanamada
  • Patent number: 7579503
    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: April 18, 2008
    Date of Patent: August 25, 2009
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Lijun Sun, Elena Kostik, Farid Vaghefi, Shoujun Chen, Noriaki Tatsuta, Guiqing Liang, Takayo Inoue, Zhi-Qiang Xia
  • Patent number: 7572821
    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: November 17, 2006
    Date of Patent: August 11, 2009
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Jun Jiang, Christopher Borella, Shoujun Chen, Keizo Koya
  • Publication number: 20090163708
    Abstract: This invention relates to a method of preparing mesylate salts of compounds that inhibit IL-12, IL-23 and/or IL-27 production.
    Type: Application
    Filed: April 26, 2008
    Publication date: June 25, 2009
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Elena Kostik, Lijun Sun, Keizo Koya, Pierre L. Boulas
  • Publication number: 20090093538
    Abstract: The invention relates to a method of treating cancer in a subject, comprising administering to the subject an anti-cancer therapy and a compound that increases the oxidative stress of the cancer cells and activates p38.
    Type: Application
    Filed: December 27, 2007
    Publication date: April 9, 2009
    Applicant: Synta Pharmaceuticals Corp
    Inventors: John Bertin, Jessica R. Kirshner, Zhenjian Du
  • Publication number: 20090023736
    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: April 28, 2008
    Publication date: January 22, 2009
    Applicant: Synta Pharmaceuticals Corp.
    Inventors: Keizo Koya, Weiwen Ying, Teresa Przewloka, Lijun Sun
  • Patent number: 7470681
    Abstract: This invention features pyrimidine compounds of formula (I): R1 is each of R2 and R4 is H; R3 is H, alkyl, aryl, heteroaryl, cyclyl, heterocyclyl, or alkylcarbonyl; R5 is H or alkyl; n is 0, 1, 2, 3, 4, 5, or 6; X is NRc; Y is covalent bond, CH2, C(O), C?N—Rc, C?N—ORc, C?N—SRc, O, S, S(O), S(O2), or NRc; Z is N or CH; one of U and V is N, and the other is CRc; and W is O, S, S(O), S(O2), NRc, or NC(O)Rc; in which each of Ra and Rb, independently, is H, alkyl, aryl, heteroaryl; and Rc is H, alkyl, aryl, heteroaryl, cyclyl, heterocyclyl, or alkylcarbonyl.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: December 30, 2008
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Lijun Sun, Mitsunori Ono, Teresa Przewloka, Elena Kostik, Yumiko Wada