Method for preparing alkyloxy furanone derivatives, compounds obtained by said method and use of said compounds

摘要

The invention relates to a novel process for preparing compounds of the formula (IV) or (I):from the racemic alkoxyfuranone of the formula (II):R1 and R2 being as defined in the description, to the novel compounds of the formula (IV) as well as to the intermediate compounds of this process, and to the use of the compounds of the formula (IV) or (I) in the process for the synthesis of compounds which inhibit interleukin-1beta converting enzyme.