1: 85 percent / Na / methanol / 1.) reflux, 2 h; 2.) r.t. 12 h 2: 80 percent / palladium oxide, cyclohexene / ethanol / 3 h / Heating 3: 18 h / 25 °C / adenosine deaminase, pH = 7.5 View Scheme

1: 85 percent / Na / methanol / 1.) reflux, 2 h; 2.) r.t. 12 h 2: 80 percent / palladium oxide, cyclohexene / ethanol / 3 h / Heating View Scheme

1: 85 percent / Na / methanol / 1.) reflux, 2 h; 2.) r.t. 12 h 2: 200 mg / 60percent HF in pyridine / 0.25 h / -40 - -30 °C 3: 88 percent / palladium oxide, cyclohexene / ethanol / 3 h / Heating View Scheme