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).
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Patent number: 7498320Abstract: 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: GrantFiled: September 28, 2006Date of Patent: March 3, 2009Assignee: Metabasis Therapeutics, Inc.Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
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Patent number: 7351399Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described: and pharmaceutically acceptable prodrugs and salts thereof.Type: GrantFiled: June 3, 2005Date of Patent: April 1, 2008Assignee: Metabasis Therapeutics, Inc.Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
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Patent number: 7193081Abstract: 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: GrantFiled: May 12, 2003Date of Patent: March 20, 2007Assignee: Metabasis Therapeutics, Inc.Inventors: Joseph J. Kopcho, K. Raja Reddy, Michael C. Matelich, Bheemarao G. Ugarkar
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Patent number: 7148349Abstract: 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: GrantFiled: October 31, 2003Date of Patent: December 12, 2006Assignee: Metabasis Therapeutics, Inc.Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
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Patent number: 6946115Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacturing are described: and pharmaceutically acceptable prodrugs and salts thereof.Type: GrantFiled: October 15, 2001Date of Patent: September 20, 2005Assignee: Metabasis Therapeutics, Inc.Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
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Publication number: 20040192651Abstract: Compounds of Formula I, their preparation and synthetic intermediates, and their use in the synthesis of prodrugs: 1Type: ApplicationFiled: October 31, 2003Publication date: September 30, 2004Inventors: K. Raja Reddy, William Craigo, Zhili Sun, Serge Boyer, Bheemarao G. Ugarkar
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Publication number: 20030225277Abstract: The method of preparing compounds of Formula I is described: 1Type: ApplicationFiled: May 12, 2003Publication date: December 4, 2003Inventors: Joseph J. Kopcho, K. Raja Reddy, Michael C. Matelich, Bheemarao G. Ugarkar
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Publication number: 20020052345Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described: 1Type: ApplicationFiled: October 15, 2001Publication date: May 2, 2002Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
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Patent number: 6312662Abstract: Prodrugs of formula I, their uses, their intermediates, and their method of manufacture are described:Type: GrantFiled: September 8, 1999Date of Patent: November 6, 2001Assignee: Metabasis Therapeutics, Inc.Inventors: Mark D. Erion, K. Raja Reddy, Edward D. Robinson, Bheemarao G. Ugarkar
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Patent number: 5864033Abstract: 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: GrantFiled: May 26, 1995Date of Patent: January 26, 1999Assignee: Metabasis Therapeutics, Inc.Inventors: Clinton E. Browne, Bheemarao G. Ugarkar, Kevin M. Mullane, Harry E. Gruber, David A. Bullough, Mark D. Erion, Angelo Castellino
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Patent number: 5795977Abstract: 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: GrantFiled: June 7, 1996Date of Patent: August 18, 1998Assignee: Metabasis Therapeutics, Inc.Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno
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Patent number: 5777100Abstract: Analogs of 5-amino-1-beta-D-ribofuranosylimidazole-4-carboxamide (AICA riboside) are provided which are useful in increasing extracellular levels of adenosine.Type: GrantFiled: June 7, 1995Date of Patent: July 7, 1998Assignee: Gensia Inc.Inventors: David A. Bullough, Harry E. Gruber, Ernest K. Metzker, Kevin M. Mullane, Bheemarao G. Ugarkar, Clinton E. Browne
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Patent number: 5763597Abstract: 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: GrantFiled: June 7, 1996Date of Patent: June 9, 1998Assignee: Metabasis Therapeutics, Inc.Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno, Angelo J. Castellino, Clinton E. Browne
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Patent number: 5763596Abstract: 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: GrantFiled: June 7, 1996Date of Patent: June 9, 1998Assignee: Metabasis Therapeutics, Inc.Inventors: Serge H. Boyer, Bheemarao G. Ugarkar, Mark D. Erion
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Patent number: 5726302Abstract: 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: GrantFiled: June 7, 1995Date of Patent: March 10, 1998Assignee: Gensia Inc.Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno
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Patent number: 5721356Abstract: 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: GrantFiled: June 7, 1995Date of Patent: February 24, 1998Assignee: Gensia, Inc.Inventors: Bheemarao G. Ugarkar, Mark D. Erion, Jorge E. Gomez Galeno, Angelo J. Castellino, Clinton E. Browne
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Patent number: 5674998Abstract: 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: GrantFiled: June 7, 1995Date of Patent: October 7, 1997Assignee: Gensia Inc.Inventors: Serge H. Boyer, Mark D. Erion, Bheemarao G. Ugarkar
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Patent number: 5658889Abstract: 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: GrantFiled: December 14, 1994Date of Patent: August 19, 1997Assignee: 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
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Patent number: 5646128Abstract: 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: GrantFiled: December 1, 1994Date of Patent: July 8, 1997Assignee: 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
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Patent number: 5506347Abstract: 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: GrantFiled: February 3, 1994Date of Patent: April 9, 1996Assignee: Gensia, Inc.Inventors: Mark D. Erion, Bheemarao G. Ugarkar, Angelo J. Castellino