Patents Assigned to Geneva Agriscience LLC
  • PREPARATION OF SULFONAMIDE HERBICIDE PROCESS INTERMEDIATES
    Publication number: 20220024873
    Abstract: Improved methods for preparing chemical precursors to sulfonyl chloride III, which are important intermediates in the preparation of pyroxsulam herbicide, are provided. Also provided are compounds of Formula III, Formula VII, and IV, wherein R1 is a C1-C6 alkyl, X is Cl or OH, Y is halogen, OH, or OR2, and R2 is a C1-C6 alkyl.
    Type: Application
    Filed: December 20, 2019
    Publication date: January 27, 2022
    Applicant: Geneva Agriscience LLC
    Inventors: Jossian Oppenheimer, Matthias S. Ober, Mark E. Ondari