Patents by Inventor Jens-Dietmer Heinrich

Jens-Dietmer Heinrich 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 4-aminobut-2-enolides starting from 4-alkoxyfuran-2(5H)-one or 4-arylalkoxyfuran-2(5H)-one
    Patent number: 8344151
    Abstract: Process for the preparation of 4-aminobut-2-enolide compounds of the formula (I): comprising reaction of a 4-alkoxyfuran-2(5H)-one compound or 4-arylalkoxyfuran-2(5H)-one compound of the formula (II) with an amine of the formula (III) in which R1, R2 and A have the definitions given in the description, in the presence of a Brønstedt acid.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: January 1, 2013
    Assignee: Bayer Cropscience AG
    Inventors: Norbert Lui, Jens-Dietmer Heinrich
  • NOVEL PROCESS FOR THE PREPARATION OF 4-AMINOBUT-2-ENOLIDES STARTING FROM 4-ALKOXYFURAN-2(5H)-ONE OR 4-ARYLALKOXYFURAN-2(5H)-ONE
    Publication number: 20110152534
    Abstract: Process for the preparation of 4-aminobut-2-enolide compounds of the formula (I): comprising reaction of a 4-alkoxyfuran-2(5H)-one compound or 4-arylalkoxyfuran-2(5H)-one compound of the formula (II) with an amine of the formula (III) in which R1, R2 and A have the definitions given in the description, in the presence of a Brønstedt acid.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 23, 2011
    Applicant: BAYER CROPSCIENCE AG
    Inventors: Norber LUI, Jens-Dietmer Heinrich