Patents by Inventor Bheemarao G. Ugarkar

Bheemarao G. Ugarkar 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).

  • Patent number: 7498320
    Abstract: Compounds of Formula I, their preparation and synthetic intermediates, and their use in the synthesis of prodrugs: wherein: V and L are trans relative to one another; V is selected from group consisting of carbocyclic aryl, substituted carbocyclic aryl, heteroaryl, and substituted heteroaryl; and L is a leaving group selected from the group consisting of halogen, alkyl sulfonate, aryloxy optionally substituted with 1-2 substituents, N-containing heteroaryl, and N-hydroxy-nitrogen containing heteroaryl; and salts thereof.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: March 3, 2009
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
  • Patent number: 7351399
    Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described: and pharmaceutically acceptable prodrugs and salts thereof.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: April 1, 2008
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
  • Patent number: 7193081
    Abstract: The method of preparing compounds of Formula I is described: wherein: M and V are cis to one another and MPO3H2 is a phosphonic acid selected from the group consisting of 9-(2-phosphonylmethoxyethyl)adenine, and (R)-9-(2-phosphonylmethoxypropyl)adenine; wherein V is phenyl, optionally substituted with 1–2 substituents selected from a group consisting of fluoro, chloro, and bromo; comprising: coupling a chiral 1-phenylpropane-1,3-diol, wherein the phenyl may be optionally substituted, with MPOCl2 or an N-6 substituted analogue thereof. Additionally, methods and salt forms are described that enable isolation and purification of the desired isomer.
    Type: Grant
    Filed: May 12, 2003
    Date of Patent: March 20, 2007
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Joseph J. Kopcho, K. Raja Reddy, Michael C. Matelich, Bheemarao G. Ugarkar
  • Patent number: 7148349
    Abstract: Compounds of Formula I, their preparation and synthetic intermediates, and their use in the synthesis of prodrugs: wherein: V and L are trans relative to one another; V is selected from group consisting of carbocyclic aryl, substituted carbocyclic aryl, heteroaryl, and substituted heteroaryl; and L is a leaving group selected from the group consisting of halogen, alkyl sulfonate, aryloxy optionally substituted with 1–2 substituents, N-containing heteroaryl, and N-hydroxy-nitrogen containing heteroaryl; and salts thereof.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: December 12, 2006
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
  • Patent number: 6946115
    Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacturing are described: and pharmaceutically acceptable prodrugs and salts thereof.
    Type: Grant
    Filed: October 15, 2001
    Date of Patent: September 20, 2005
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
  • Publication number: 20040192651
    Abstract: Compounds of Formula I, their preparation and synthetic intermediates, and their use in the synthesis of prodrugs: 1
    Type: Application
    Filed: October 31, 2003
    Publication date: September 30, 2004
    Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
  • Publication number: 20030225277
    Abstract: The method of preparing compounds of Formula I is described: 1
    Type: Application
    Filed: May 12, 2003
    Publication date: December 4, 2003
    Inventors: Joseph J. Kopcho, K. Raja Reddy, Michael C. Matelich, Bheemarao G. Ugarkar
  • Publication number: 20020052345
    Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described: 1
    Type: Application
    Filed: October 15, 2001
    Publication date: May 2, 2002
    Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
  • Patent number: 6312662
    Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described:
    Type: Grant
    Filed: September 8, 1999
    Date of Patent: November 6, 2001
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
  • Patent number: 5864033
    Abstract: Novel compounds which selectively inhibit adenosine kinase and methods of preparing adenosine kinase inhibitors are provided. Also provided are methods of treating various conditions which may be ameliorated by increased local concentrations of adenosine using adenosine kinase inhibitors.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: January 26, 1999
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Clinton E. Browne, Bheemarao G. Ugarkar, Kevin M. Mullane, Harry E. Gruber, David A. Bullough, Mark D. Erion, Angelo Castellino
  • Patent number: 5795977
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, specifically to water soluble, aryl substituted 4-amino pyrrolo?2,3-d! pyrimidine and pyrazolo?3,4-d! pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors The invention also relates to the preparation and use of these adenosine kinase inhibitors in the treatment of cardiovascular, and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: August 18, 1998
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno
  • Patent number: 5777100
    Abstract: Analogs of 5-amino-1-beta-D-ribofuranosylimidazole-4-carboxamide (AICA riboside) are provided which are useful in increasing extracellular levels of adenosine.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 7, 1998
    Assignee: Gensia Inc.
    Inventors: David A. Bullough, Harry E. Gruber, Ernest K. Metzker, Kevin M. Mullane, Bheemarao G. Ugarkar, Clinton E. Browne
  • Patent number: 5763597
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, specifically to orally active, substituted 5-aryl pyrrolo?2,3-d! pyrimidine and 3-aryl pyrazolo?3,4-d! pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors. The invention also relates to the preparation and use of these and other adenosine kinase inhibitors in the treatment of cardiovascular and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: June 9, 1998
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno, Angelo J. Castellino, Clinton E. Browne
  • Patent number: 5763596
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, C-4' modified pyrrolo?2,3-d!pyrimidine and pyrazolo?3,4-d!pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors. The invention relates to nucleoside analogs of this kind, having zero substitutions or two substitutions at the C-4' position of the furanose (sugar) moiety. The invention also relates to the preparation and use of these adenosine kinase inhibitors in the treatment of cardiovascular, and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1996
    Date of Patent: June 9, 1998
    Assignee: Metabasis Therapeutics, Inc.
    Inventors: Serge H. Boyer, Bheemarao G. Ugarkar, Mark D. Erion
  • Patent number: 5726302
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, specifically to water soluble, aryl substituted 4-amino pyrrolo?2,3-d! pyrimidine and pyrazolo?3,4-d! pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors. The invention also relates to the preparation and use of these adenosine kinase inhibitors in the treatment of cardiovascular, and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 10, 1998
    Assignee: Gensia Inc.
    Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno
  • Patent number: 5721356
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, specifically to orally active, substituted 5-aryl pyrrolo?2,3-d!pyrimidine and 3-aryl pyrazolo?3,4-d! pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors. The invention also relates to the preparation and use of these and other adenosine kinase inhibitors in the treatment of cardiovascular and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 24, 1998
    Assignee: Gensia, Inc.
    Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno, Angelo J. Castellino, Clinton E. Browne
  • Patent number: 5674998
    Abstract: This invention relates to adenosine kinase inhibitors and to nucleoside analogs, C-4' modified pyrrolo?2,3-d!pyrimidine and pyrazolo?3,4-d!pyrimidine nucleoside analogs having activity as adenosine kinase inhibitors. The invention relates to nucleoside analogs of this kind, having zero substitutions or two substitutions at the C-4' position of the furanose (sugar) moiety. The invention also relates to the preparation and use of these adenosine kinase inhibitors in the treatment of cardiovascular, and cerebrovascular diseases, inflammation and other diseases which can be regulated by increasing the local concentration of adenosine.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 7, 1997
    Assignee: Gensia Inc.
    Inventors: Serge H. Boyer, Mark D. Erion, Bheemarao G. Ugarkar
  • Patent number: 5658889
    Abstract: AICA riboside and prodrugs of AICA riboside are provided which lower blood glucose for the treatment of various pathologic conditions, including hypoglycemia, insulin deficiency, insulin resistance diabetes and Syndrome X. Prodrugs of AICA riboside provide AICA riboside in an orally bioavailable form. The use of adenosine kinase inhibition and ZMP enhancement for lowering blood glucose are also described.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: August 19, 1997
    Assignee: Gensia Pharmaceuticals, Inc.
    Inventors: Harry E. Gruber, Ronald R. Tuttle, Clinton E. Browne, Bheemarao G. Ugarkar, Jack W. Reich, Ernest K. Metzner, Paul J. Marangos
  • Patent number: 5646128
    Abstract: Novel compounds which selectively inhibit adenosine kinase and methods of preparing adenosine kinase inhibitors are provided. Also provided are methods of treating various inflammatory conditions, including arthritis and SIRS, which may be ameliorated by increased local concentrations of adenosine using adenosine kinase inhibitors.
    Type: Grant
    Filed: December 1, 1994
    Date of Patent: July 8, 1997
    Assignee: Gensia, Inc.
    Inventors: Gary S. Firestein, Bheemarao G. Ugarkar, Leonard P. Miller, Harry E. Gruber, David A. Bullough, Mark D. Erion, Angelo J. Castellino, Clinton E. Browne
  • Patent number: 5506347
    Abstract: Novel lyxose derivatives which selectively inhibit adenosine kinase and methods of preparing these compounds are provided. These compounds are useful in treating certain conditions in vivo which may be ameliorated by increased local concentrations of adenosine.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: April 9, 1996
    Assignee: Gensia, Inc.
    Inventors: Mark D. Erion, Bheemarao G. Ugarkar, Angelo J. Castellino