Patents Assigned to SMS Pharmaceuticals Limited
  • Process for preparing eletriptan hydrobromide having ?-form
    Patent number: 8754239
    Abstract: A process for preparation of eletriptan hydrobromide having ?-form of formula (I) is described that includes reducing 3-((R)-1-methylpyrrolidin-2-yl)methyl)-5-((E)-2-(phenylsulfonyl)vinyl)-1H-indole of formula (II) in presence of a metal catalyst to the product of formula (III) and then converting to hydrobromide salt having ?-form of formula (I).
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: June 17, 2014
    Assignee: SMS Pharmaceuticals Limited
    Inventors: Srinivasa Rao Venturi, Hari Prasad Kodali, Hariharakrishnan Venkata Subhramanian, Venkata Srihari Tadimalla, Ramesh Babu Potluri