Patents by Inventor Fanny BOIS

Fanny BOIS 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 benzonorbornenes
    Patent number: 9878970
    Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula I1, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula I1, wherein X is chloro, b) reacting the compound of formula I1 with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 30, 2018
    Assignee: Syngenta Crop Protection, LLC
    Inventors: Denis Gribkov, Bjorn Antelmann, Fanny Bois, Harald Walter, Alain De Mesmaeker
  • PROCESS FOR THE PREPARATION OF BENZONORBORNENES
    Publication number: 20180016211
    Abstract: The present invention relates to a novel a process for the preparation of 9-dichloromethylene-1,2,3,4-tetrahydro-1,4-methano-naphthalen-5-ylamine which process comprises a) reacting cyclopentadiene in the presence of a radical initiator and CXCl3, wherein X is chloro or bromo, to a compound of formula II, or aa) reacting cyclopentadiene with CXCl3, wherein X is chloro, in the presence of a metal catalyst to a compound of formula II, wherein X is chloro, b) reacting the compound of formula II with a base in the presence of an appropriate solvent to the compound of formula III, c) and converting the compound of formula III in the presence of 1,2-dehydro-6-nitrobenzene to the compound of formula IV, and d) hydrogenating the compound of formula IV in the presence of a metal catalyst.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: Syngenta Crop Protection, LLC
    Inventors: Denis GRIBKOV, Bjorn ANTELMANN, Fanny BOIS, Harald WALTER, Alain DE MESMAEKER