FREMGANGSMAADE TIL FREMSTILLING AF ALFA-6-DESOXY-5-HYDROXYTETRACYCLIN VED HYDROGENERING AF DEN TILSVARENDE 6-METHYLENFORBINDELSE I NAERVAER AF RHODIUMMETAL

摘要

The catalytic hydrogenation of 6-methylenetetracyclines, or salts of these compounds, in a reaction-inert solvent medium containing a catalytic amount of rhodium metal to which a phosphine and a promoter is added.