FOERFARANDE Foer Reninge AV KLAVULANSYRA OCH SAOSOM an intermediate ANVAENDBARA AMIN SALT AV KLAVULANSYRA SAMT FOERFARANDE Foer FRAMSTAELLNING AV industry

摘要

This invention provides a novel process for the preparation of clavulanic acid and pharmaceutically acceptable salts and esters thereof which process utilizes the preparation of the tertiary-butylamine salt of clavulanic acid optionally in the form of an acetone solvate and subsequently converting said salt into the desired product.