Patents by Inventor G. Pratap REDDY

G. Pratap REDDY 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).

  • Process for preparing beta agonist
    Patent number: 10414717
    Abstract: Disclosed is a process for preparing ?-agonist, 1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino) ethanol, of Formula I. The process comprises refluxing 1-(4-amino-3,5-dichlorophenyl) ethanone of Formula II and selenium dioxide in the presence of 1,4-dioxane to form compound of Formula III. Further, compound of Formula III is heated at a temperature below 30° C. in the presence of t-butyl amine to form compound of Formula IV. The compound of Formula IV is treated with sodium borohydride to form compound of Formula I.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: September 17, 2019
    Assignee: Vamsi Lab Ltd.
    Inventors: G Pratap Reddy, M. Kesava Reddy
  • Process for preparing indacaterol and salts thereof
    Patent number: 10227305
    Abstract: The present invention relates to a process for preparing indacaterol or salts thereof. The process comprises of forming compound of Formula 1 by reacting compound of Formula 2 and compound of Formula 3 in the presence of a solvent to Form compound of Formula 4, which on removal of the protecting groups forms compound of Formula 1.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: March 12, 2019
    Inventors: G. Pratap Reddy, Venkataiah Sunku, Sunkaraneni Suresh Babu
  • A PROCESS FOR PREPARING BETA AGONIST
    Publication number: 20190055189
    Abstract: Disclosed is a process for preparing ?-agonist, 1-(4-amino-3,5-dichlorophenyl)-2-(tert-butylamino) ethanol, of Formula I. The process comprises refluxing 1-(4-amino-3,5-dichlorophenyl) ethanone of Formula II and selenium dioxide in the presence of 1,4-dioxane to form compound of Formula III. Further, compound of Formula III is heated at a temperature below 30° C. in the presence of t-butyl amine to form compound of Formula IV. The compound of Formula IV is treated with sodium borohydride to form compound of Formula I.
    Type: Application
    Filed: August 4, 2016
    Publication date: February 21, 2019
    Inventors: G. Pratap REDDY, M. Kesava REDDY
  • Process for preparing olodaterol and intermediates thereof
    Patent number: 10059678
    Abstract: The present invention relates to a process for preparing olodaterol and intermediates thereof. The process comprises of forming compound of Formula 1 by reacting compound of Formula 2 or its acid salt with compound of Formula 3 in the presence of an organic solvent to obtain compound of Formula 4. Protecting groups are removed from compound of Formula 4 in the presence of a suitable solvent to form compound of Formula 1.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: August 28, 2018
    Inventor: G. Pratap Reddy
  • A Process for Preparing Indacaterol and Salts Thereof
    Publication number: 20180215714
    Abstract: The present invention relates to a process for preparing indacaterol or salts thereof. The process comprises of forming compound of Formula 1 by reacting compound of Formula 2 and compound of Formula 3 in the presence of a solvent to Form compound of Formula 4, which on removal of the protecting groups forms compound of Formula 1.
    Type: Application
    Filed: August 20, 2015
    Publication date: August 2, 2018
    Inventor: G. Pratap REDDY
  • A Process for Preparing Olodaterol and Intermediates Thereof
    Publication number: 20170260149
    Abstract: The present invention relates to a process for preparing olodaterol and intermediates thereof. The process comprises of forming compound of Formula 1 by reacting compound of Formula 2 or its acid salt with compound of Formula 3 in the presence of an organic solvent to obtain compound of Formula 4. Protecting groups are removed from compound of Formula 4 in the presence of a suitable solvent to form compound of Formula 1.
    Type: Application
    Filed: September 9, 2014
    Publication date: September 14, 2017
    Inventor: G. Pratap REDDY