Patents by Inventor Shreerang Joshi

Shreerang Joshi 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: 8471039
    Abstract: Processes for the preparation of Silodosin and its intermediates comprising reductive amination of compound of Formula (VIII) with a compound of Formula (VII) or a compound of Formula (XV) in a suitable solvent using a reducing agent.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: June 25, 2013
    Assignee: Sandoz AG
    Inventors: Shreerang Joshi, Sachin Bhuta, Sanjay Talukdar, Sudhir Sawant, Deepak Venkataraman, Abhinay Pise, Shashikant Metkar, Dattatraya Chavan, Parven Kumar Luthra
  • Publication number: 20120253038
    Abstract: Efficient processes for the synthesis of pharmaceutically useful compounds such as (1-[4-(2-azepan-1-yl-ethoxy)-benzyl]-2-(4-hydroxy-phenyl)-3-methyl-1H-indol-5-ol acetic acid commonly known as bazedoxifene acetate (Formula IX) using cyanomethoxybenzyl halides of Formula III, where X=Halogens e.g., Cl, F, Br, I; G=Any electron donating or electron withdrawing substituent.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 4, 2012
    Applicant: SANDOZ AG
    Inventors: Shreerang Joshi, Sachin Bhuta, Sanjay Talukdar, Sudhir Sawant, Deepak Venkatraman
  • Publication number: 20120165548
    Abstract: Processes for the preparation of Silodosin and its intermediates comprising reductive amination of compound of Formula (VIII) with a compound of Formula (VII) or a compound of Formula (XV) in a suitable solvent using a reducing agent.
    Type: Application
    Filed: September 13, 2010
    Publication date: June 28, 2012
    Applicant: SANDOZ AG
    Inventors: Shreerang Joshi, Sachin Bhuta, Sanjay Talukdar, Sudhir Sawant, Deepak Venkataraman, Abhinay Pise, Shashikant Metkar, Dattatraya Chavan, Parven Kumar Luthra
  • Publication number: 20120136015
    Abstract: The present invention relates to processes for the preparation of an endothelial receptor antagonist. The present invention particularly relates to synthesis of 4-tert-butyl-N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2-(2-pyrimidinyl)-4-pyrimidinyl]benzene sulfonamide (bosentan).
    Type: Application
    Filed: April 9, 2010
    Publication date: May 31, 2012
    Applicant: SANDOZ AG
    Inventors: Shreerang Joshi, Rashid Khan, Deven Bendre, Dadasaheb Salunkhe, Sanket Gudekar
  • Publication number: 20110190502
    Abstract: A process for the preparation of (S)-Clopidogrel free base or a pharmaceutically acceptable salt thereof by the racemization of the undesired (R)-Clopidogrel in the presence of a suitable base followed by resolution with camphor sulfonate salt and further treatment with an inorganic acid to yield the title compound.
    Type: Application
    Filed: October 23, 2009
    Publication date: August 4, 2011
    Applicant: SANDOZ AG
    Inventors: Shreerang Joshi, Sachin Bhuta, Raji Nair, Sanjukumar Salunke