Patents by Inventor Virendar Kumar Agrawal

Virendar Kumar Agrawal 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).

  • Preparation of diazapentalene derivatives via epoxydation of dihydropyrroles
    Publication number: 20090005575
    Abstract: The present invention relates to a process for preparing a compound of formula I, wherein R1 is Pg1 or P1?; P1? is CO-hydrocarbyl; P2 is CH2, O or N-Pg2; and Pg1 and Pg2 are each independently nitrogen protecting groups; (i) reacting a compound of formula II with a dioxirane to form an epoxide of formula III; where X is selected from CN, CH2N3, CH2NH-Pg2, ONH-Pg2, NHNH-Pg2, N(Pg2)NH-Pg2; (ii) converting a compound of formula III to a compound of formula I
    Type: Application
    Filed: February 8, 2008
    Publication date: January 1, 2009
    Applicant: Amura Therapeutics Ltd.
    Inventors: Martin Quibell, Yikang Wang, James Nally, John Paul Watts, Virendar Kumar Agrawal, Michael Standen