Patents by Inventor Sundeep Dugar

Sundeep Dugar 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: 20060199821
    Abstract: The invention is directed to compounds and methods to inhibit p38 kinase wherein the compounds are a pyrimidine or pyridine coupled to two mandatory substituents.
    Type: Application
    Filed: August 3, 2005
    Publication date: September 7, 2006
    Applicant: Scios, Inc.
    Inventors: Richard Tester, Xuefei Tan, Kurt Schinzel, Imad Nashashibi, Gregory Luedtke, Weiling Liang, Joon Jung, R. Goehring, Sundeep Dugar, Steven Do
  • Publication number: 20050288299
    Abstract: The invention is directed to methods to inhibit p38 kinase, preferably p38-? using compounds which are azaindoles wherein the azaindoles are coupled through a piperidine or piperazine type linker to another cyclic moiety.
    Type: Application
    Filed: April 15, 2005
    Publication date: December 29, 2005
    Inventors: Babu Mavunkel, John Perumattam, Qing Lu, Sundeep Dugar, Bindu Goyal, Dan Wang, Sarvajit Chakravarty, Gregory Luedtke, Imad Nashashibi, Richland Tester, Xuefei Tan
  • Publication number: 20050245508
    Abstract: The invention concerns methods of treating malignant gliomas, by administering inhibitors of TGF-? the TGF-? signaling pathway, including molecules preferably binding to the type I TGF-? receptor (TGF?-R1). Preferably, the inhibitors are non-peptide small molecules, including quinazoline derivatives. The invention also concerns methods for reversing the TGF-?-mediated effect on glioma cells to make them less refractile to signaling and other immune cells, comprising contacting a glioma cell or tissue in vivo or in vitro, with an inhibitor of TGF-?.
    Type: Application
    Filed: December 22, 2004
    Publication date: November 3, 2005
    Applicant: SCIOS, Inc.
    Inventors: Michael Weller, Sundeep Dugar, Linda Higgins, David Liu, George Schreiner, Sarvaji Chakravarty
  • Publication number: 20050220784
    Abstract: The invention is directed to methods to inhibit TGF-? and/or p38-? kinase using compounds of the formula or the pharmaceutically acceptable salts thereof wherein R3 is a noninterfering substituent; each Z is CR2 or N, wherein no more than two Z positions in ring A are N, and wherein two adjacent Z positions in ring A cannot be N; each R2 is independently a noninterfering substituent; L is a linker; n is 0 or 1; and Ar? is the residue of a cyclic aliphatic, cyclic heteroaliphatic, aromatic or heteroaromatic moiety optionally substituted with 1-3 noninterfering substituents.
    Type: Application
    Filed: May 23, 2005
    Publication date: October 6, 2005
    Applicant: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, John Perumattam, George Schreiner, David Liu, John Lewicki
  • Publication number: 20050176957
    Abstract: The present invention is directed to a process for making 2-substituted pyridopyrimidones. In particular, 2-substituted pyridopyrimidones are made through the single step reaction of suitable acid derivatives with desired derivatives of amidines.
    Type: Application
    Filed: December 31, 2004
    Publication date: August 11, 2005
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Richland Tester, Aurelia Conte
  • Publication number: 20050171123
    Abstract: The invention is directed to methods to inhibit TGF-? and/or p38-? kinase using compounds of the formula or the pharmaceutically acceptable salts thereof wherein R3 is a noninterfering substituent; each Z is CR2 or N, wherein no more than two Z positions in ring A are N, and wherein two adjacent Z positions in ring A cannot be N; each R2 is independently a noninterfering substituent; L is a linker; n is 0 or 1; and Ar? is the residue of a cyclic aliphatic, cyclic heteroaliphatic, aromatic or heteroaromatic moiety optionally substituted with 1-3 noninterfering substituents.
    Type: Application
    Filed: February 7, 2005
    Publication date: August 4, 2005
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, John Perumattam, George Schreiner, David Liu, John Lewicki
  • Publication number: 20050171183
    Abstract: Compounds that inhibit p38-? kinase are those wherein a bicyclic aromatic system is coupled through a saturated ring to an aryl group.
    Type: Application
    Filed: April 4, 2005
    Publication date: August 4, 2005
    Applicant: SCIOS, INC.
    Inventors: Gregory Luedtke, Richland Tester, Sundeep Dugar, Qing Lu, John Perumattam, Xuefei Tan
  • Publication number: 20050130965
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds comprising saturated heterocycles coupled to a fused ring system.
    Type: Application
    Filed: November 18, 2004
    Publication date: June 16, 2005
    Inventors: Sundeep Dugar, John Perumattam, Gregory Luedtke, Xuefei Tan, Qing Lu
  • Patent number: 6903096
    Abstract: The invention is directed to methods to inhibit TGF-? and/or p38-? kinase using compounds of the formula or the pharmaceutically acceptable salts thereof wherein R3 is a noninterfering substituent; each Z is CR2 or N, wherein no more than two Z positions in ring A are N, and wherein two adjacent Z positions in ring A cannot be N; each R2 is independently a noninterfering substituent; L is a linker; n is 0 or 1; and Ar? is the residue of a cyclic aliphatic, cyclic heteroaliphatic, aromatic or heteroaromatic moiety optionally substituted with 1-3 noninterfering substituents.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: June 7, 2005
    Assignee: Scios, Inc.
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, John J. Perumattam, George F. Schreiner, David Y. Liu, John A. Lewicki
  • Patent number: 6890938
    Abstract: Compound with an indole linked through an aliphatic ring system to an aromatic moiety are useful in treating conditions associated with enhanced P38? kinase activity.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: May 10, 2005
    Assignee: Scios, Inc.
    Inventors: Gregory Luedtke, Richland Tester, Sundeep Dugar, Qing Lu, John Perumattam, Xuefei Tan
  • Publication number: 20050096333
    Abstract: Quinazoline derivatives have the formula: or the pharmaceutically acceptable salts thereof; wherein each of Z5, Z6, Z7 and Z8 is N or CH and wherein one or two Z5, Z6, Z7 and Z8 are N and wherein two adjacent Z positions cannot be N; wherein m and n are each independently 0-3; wherein R1 is independently OH, SH, NH2, OR, SR, NHR, halo or R-halide; wherein two adjacent R1 groups may be joined to form an aliphatic hetero cycle ring of 5-6 members; wherein R2 is independently R, halo, R-halide, OR-halide, NH2, CONH2 or CONHR; wherein R is optionally substituted C1-C12 alkyl, C1-C12 alkenyl, C1-C12 alkynyl, or aryl C1-C12 alkyl, containing 0-4 heteroatoms in place of a carbon in the carbon backbone, where the optional substituents are ?O, ?N, or OH; and wherein R3 is H or CH3. Such compounds are useful in pharmaceutical compositions and methods of treating conditions characterized by enhanced TGF? activity.
    Type: Application
    Filed: September 30, 2004
    Publication date: May 5, 2005
    Inventors: Sundeep Dugar, Sarvajit Chakravarty, Alison Murphy, Glenn McEnroe, Aurelia Conte, John Perumattam
  • Publication number: 20050065344
    Abstract: Improved reagents and methods of amination are provided. The reagents are phenyl hydroxylamines containing one nitro and at least one CF3 substituent on the phenyl moiety.
    Type: Application
    Filed: July 11, 2003
    Publication date: March 24, 2005
    Inventors: Babu Mavunkel, John Perumattam, Richland Tester, Sundeep Dugar
  • Patent number: 6867209
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds of the formula and the pharmaceutically acceptable salts thereof, or a pharmaceutical composition thereof, wherein represents a single or double bond; one Z2 is CA or CR8A and the other is CR1, CR12, NR6 or N wherein each R1, R6 and R8 is independently hydrogen or noninterfering substituent; A is —Wi—COXjY wherein Y is COR2 or an isostere thereof and R2 is hydrogen or a noninterfering substituent, each of W and X is a spacer of 2-6 ?, and each of i and j is independently 0 or 1; as Z3 is NR7 or O; each R3 is independently a noninterfering substituent; n is 0-3; each of L1 and L2 is a linker; each R4 is independently a noninterfering substituent; m is 0-4; Z1 is CR5 or N wherein R5 is hydrogen or a noninterfering substituent; each of 1 and k is an integer from 0-2 wherein the sum of 1 and k is 0-3; Ar is an aryl group substituted with 0-5 noninterfering substituents, wherein two noninterfering substituents can form a fused ring
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: March 15, 2005
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sarvajit Chakravarty, John J. Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Patent number: 6864260
    Abstract: The invention is directed to methods to inhibit p38-? kinase using compounds which contain a phenyl group linked through a piperazine ring to a substituted indole.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: March 8, 2005
    Assignee: Scios, Inc.
    Inventors: Babu J. Mavunkel, Sarvajit Chakravarty, John J. Perumattam, Sundeep Dugar, Qing Lu, Xi Liang
  • Publication number: 20050004143
    Abstract: Compounds in which a pyrimidine nucleus is bridged at the 5 and 6 position and are further substituted at positions 2 and 4 with substituents comprising aromatic moieties are useful in treating subjects with conditions ameliorated by inhibition of TGF? activity.
    Type: Application
    Filed: March 26, 2004
    Publication date: January 6, 2005
    Inventors: Sundeep Dugar, Sarvajit Chakravarty, Aurelia Conte, Jonathan Axon, Glenn McEnroe, Alison Murphy
  • Patent number: 6821966
    Abstract: The invention is directed to methods to inhibit p38-&agr; kinase using compounds of the formula and the pharmaceutically acceptable salts thereof, or a pharmaceutical composition thereof, wherein represents a single or double bond; B is —Wi—COXjY wherein Y is COR2 or an isostere thereof and R2 is hydrogen or a noninterfering substituent, each of W and X is a spacer of 2-6 Å, and each of i and j is independently 0 or 1; each R3 is independently a noninterfering substituent, where n is 0-3; Z3 is NR7 or O; wherein R7 is H or a noninterfering substituent; one Z2 is CA or CR8A and the other is CR1, CR12, NR6 or N wherein each R1, R6 and R8 is independently hydrogen or noninterfering substituent; wherein A is: such that Z1 is CR5 or N wherein R5 is hydrogen or a noninterfering substituent; each of l and k is an integer from 0-2 wherein the sum of l and k is 0-3; Ar is an aryl group substituted with 0-5 noninterfering substituents, wherein two noninterfe
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: November 23, 2004
    Assignee: Scios, Inc.
    Inventors: Sundeep Dugar, John Perumattam, Gregory Luedtke, Xuefei Tan, Qing Lu
  • Publication number: 20040176598
    Abstract: The invention is directed to methods to inhibit p38 kinase, preferably p38-&agr; using compounds which are azaindoles wherein the azaindoles are coupled through a piperidine or piperazine type linker to another cyclic moiety.
    Type: Application
    Filed: October 9, 2003
    Publication date: September 9, 2004
    Inventor: Sundeep Dugar
  • Publication number: 20040176382
    Abstract: The invention is directed to inhibition of p38-&agr; kinase using compounds of the formula 1
    Type: Application
    Filed: January 13, 2004
    Publication date: September 9, 2004
    Inventors: Babu Mavunkel, Sundeep Dugar, Gregory Luedtke, Glenn Mcenroe, Xuefei Tan
  • Publication number: 20040142940
    Abstract: The invention is directed to methods to inhibit p38-&agr; kinase using compounds comprising a phenyl or thienyl coupled through a piperidine or piperazine nucleus to an indole residue wherein the indole residue mandatorily has a substituent on the ring nitrogen which is an amino or substituted amino group.
    Type: Application
    Filed: September 3, 2003
    Publication date: July 22, 2004
    Inventors: Sarvajit Chakravarty, Sundeep Dugar, Qing Lu, Gregory R. Luedtke, Babu J. Mavunkel, John J. Perumattam, Richland W. Tester
  • Publication number: 20040132730
    Abstract: Certain appropriately substituted forms of pyrimidine and triazine are useful in the treatment to conditions associated with enhanced TGF&bgr; activity.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 8, 2004
    Inventors: Jonathan Axon, Sarvajit Chakravarty, Sundeep Dugar, Glenn McEnroe, Alison Murphy