Patents by Inventor Sandip Sinore

Sandip Sinore 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 the production of etravirine
    Patent number: 8653266
    Abstract: A novel process for the preparation of Etravirine comprises the condensing of ethyl cyanoacetate with N-cyanophenylguanidine to obtain an —OH compound of formula (II), which is further converted to a leaving group of formula (III). The compound of formula (III) is optionally protected and brominated to yield compound of formula (IV). The condensation of formula (IV) with 3,5-dimethyl-4-hydroxybenzonitrile yields a compound of formula (VI), and an optional deprotection of the compound of formula (VI) results in Etravirine.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: February 18, 2014
    Assignee: Mylan Laboratories Limited
    Inventors: Vinayak Gore, Choudhari Bharati, Mahesh Hublikar, Prakash Bansode, Sandip Sinore
  • PROCESS FOR THE PRODUCTION OF ETRAVIRINE
    Publication number: 20130116433
    Abstract: A novel process for the preparation of Etravirine comprises the condensing of ethyl cyanoacetate with N-cyanophenylguanidine to obtain an —OH compound of formula (II), which is further converted to a leaving group of formula (III). The compound of formula (III) is optionally protected and brominated to yield compound of formula (IV). The condensation of formula (IV) with 3,5-dimethyl-4-hydroxybenzonitrile yields a compound of formula (VI), and an optional deprotection of the compound of formula (VI) results in Etravirine.
    Type: Application
    Filed: April 26, 2012
    Publication date: May 9, 2013
    Inventors: Vinayak Gore, Choudhari Bharati, Mahesh Hublikar, Prakash Bansode, Sandip Sinore