Patents by Inventor Guillaume Revol

Guillaume Revol 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 PREPARATION OF ISOXAZOLINE DERIVATIVES
    Publication number: 20140206633
    Abstract: The present invention relates to processes for the preparation of compounds of formula IB wherein A1, A2, A3, A4, L, Y1, Y2, R1, R2, R3, R4 and R5 are as defined in the claims, comprising reacting a compound of formula (II) wherein Y1, Y2, L, A1, A2, R1, R2, R3, R4 and R5 are as defined for the compound of formula (I); with hydroxylamine in the presence of water, a base and a chiral phase transfer catalyst, which chiral phase transfer catalyst is a quinine derivative. The invention also relates to compounds of formula IB and enantiomerically enriched mixtures comprising compounds of formula IB.
    Type: Application
    Filed: February 3, 2011
    Publication date: July 24, 2014
    Applicant: SYNGENTA CROP PROTECTION LLC
    Inventors: Nicholas Phillip Mulholland, Edouard Godineau, Jérôme Yves Cassayre, Peter Renold, Myriem El Qacemi, Guillaume Revol