Patents by Inventor Sagar Shakya

Sagar Shakya 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).

  • SNAR process for preparing benzimidazole compounds
    Patent number: 8183385
    Abstract: Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-2 and their synthetic intermediates: wherein X1, X2, X5, R1, R2 and R4 are as defined herein. Compounds of Formula Ia-2 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: May 22, 2012
    Assignees: Array BioPharma Inc., AstraZeneca AB
    Inventors: John DeMattei, Sagar Shakya, Paul J. Nichols, Bradley R. Barnett, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, John Leonard
  • PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS
    Publication number: 20110319631
    Abstract: Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ib-1: wherein Z, X1, X2, X5, R2b and R10 are as defined herein. Compounds of Formula Ib-1 can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Application
    Filed: September 9, 2011
    Publication date: December 29, 2011
    Applicant: ARRAY BIOPHARMA INC.
    Inventors: John Demattei, Sagar Shakya, Anthony D. Piscopio, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, Simon Mark Pointon, Koen Peeters, Timothy John Lilley, John Leonard
  • PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS
    Publication number: 20110319632
    Abstract: Provided are compounds having Formula VIIIa-1: wherein Z, X5, R2, R2a and R10 are as defined herein. Compounds of Formula VIIIa-1 can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Application
    Filed: September 9, 2011
    Publication date: December 29, 2011
    Applicant: ARRAY BIOPHARMA INC.
    Inventors: John Demattei, Sagar Shakya, Anthony D. Piscopio, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, Simon Mark Pointon, Koen Peeters, Timothy John Lilley, John Leonard
  • Process for preparing benzimidazole compounds
    Patent number: 8039637
    Abstract: Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-1 and their synthetic intermediates: wherein Z, X1, X2, X5, R2 and R10 are as defined herein. Compounds of Formula Ia-1 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Grant
    Filed: June 21, 2006
    Date of Patent: October 18, 2011
    Assignee: Array BioPharma Inc.
    Inventors: John DeMattei, Sagar Shakya, Anthony D. Piscopio, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, Simon Mark Pointon, Koen Peeters, Timothy John Lilley, John Leonard
  • PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS
    Publication number: 20100145065
    Abstract: Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-1 and their synthetic intermediates: wherein Z, X1, X2, X5, R2 and R10 are as defined herein. Compounds of Formula Ia-1 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Application
    Filed: June 21, 2006
    Publication date: June 10, 2010
    Applicant: ARRAY BIOPHARMA INC.
    Inventors: John Demattei, Sagar Shakya, Anthony D. Piscopio, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, Simon Mark Pointon, Koen Peeters, Timothy John Lilley, John Leonard
  • SNAR PROCESS FOR PREPARING BENZIMIDAZOLE COMPOUNDS
    Publication number: 20100130748
    Abstract: Provided are methods for the synthesis of heterocyclic compounds such as benzimidazole carboxylic acid core structures having Formula Ia-2 and their synthetic intermediates: wherein X1, X2, X5, R1, R2 and R4 are as defined herein. Compounds of Formula Ia-2 and their synthetic intermediates can be used to prepare heterocyclic derivatives such as benzimidazole derivatives.
    Type: Application
    Filed: June 21, 2006
    Publication date: May 27, 2010
    Applicants: ARRAY BIOPHARMA INC., ASTRAZENECA AB
    Inventors: John Demattei, Sagar Shakya, Paul J. Nichols, Bradley R. Barnett, Bruno P. Hache, Matthew Charles Evans, James Gair Ford, John Leonard