Patents Assigned to BYK Gulden Fabrik Lomberg Chemische Fabrik GmbH
  • Process and intermediates for the preparation of imidazopyridines
    Publication number: 20040059127
    Abstract: The invention relates to compounds of formula (2) in which R1, R2, R3 and R4 have the meanings indicated in the description, their preparation and their further reaction to give compounds of formula (1), in which A1, A2 and R4 have the meanings indicated in the description. The compounds of the formula (1) are valuable intermediates for the preparation of medicaments.
    Type: Application
    Filed: September 23, 2003
    Publication date: March 25, 2004
    Applicants: BYK Gulden Fabrik Lomberg Chemische Fabrik GmbH, Altana Pharma AG
    Inventors: Wolf-Rudiger Ulrich, Christian Scheufler, Thomas Fuchss, Jorg Senn-Bilfinger