1-n-butyl-3-methylimidazolium chloride; potassium hydroxide in pyridine; toluene T=80°C; 0.0166667 h; Microwave irradiation; regioselective reaction;

pyridine T=60°C; Hydrogenolyse des erhaltenen, nicht naeher beschriebenen 3-Benzyloxy-17β-stearoyloxy-oestratriens-(1.3.5(10)) in Eisessig an Palladium;

pyridine; sodium hydrogencarbonate 1.) 12 h, r.t., 2.) C6H6, CH3OH, 50-55 deg C; Yield given. Multistep reaction;