potassium fluoride supported on Clinoptilolite in dimethyl sulfoxide T=110 - 115°C; 5.66667 h;

T=170°C;

1: 1.) aq. ammonium chloride, zinc 2.) sodium hydrogen carbonate / 1.) dioxane, 15 min 2.) ether, water, 1.5 h 2: 5 percent / silver(I) carbonate / benzene / 24 h / Ambient temperature 3: 91 percent / barium methoxide / methanol / 1.5 h 4: 61 percent / sodium hydrogen carbonate, 4 A molecular sieves / dioxane / 2.5 h View Scheme

ammonium chloride; sodium hydrogencarbonate; zinc 1.) dioxane, 15 min 2.) ether, water, 1.5 h; Yield given. Multistep reaction;

ammonium chloride; zinc in 1,4-dioxane T=50 - 60°C; 0.416667 h;