cesium fluoride in N,N-dimethyl-formamide 3 h; Ambient temperature;

1: 50 percent / imidazole / dimethylformamide / 1.25 h / Ambient temperature 2: 4 percent / sodium bicarbonate, m-chloroperbenzoic acid / 0.5 h / Ambient temperature 3: 52 percent / cesium fluoride / dimethylformamide / 3 h / Ambient temperature View Scheme

1: 78 percent / sodium methoxide / methanol / 16 h / Heating 2: 50 percent / imidazole / dimethylformamide / 1.25 h / Ambient temperature 3: 4 percent / sodium bicarbonate, m-chloroperbenzoic acid / 0.5 h / Ambient temperature 4: 52 percent / cesium fluoride / dimethylformamide / 3 h / Ambient temperature View Scheme

1: 4 percent / sodium bicarbonate, m-chloroperbenzoic acid / 0.5 h / Ambient temperature 2: 52 percent / cesium fluoride / dimethylformamide / 3 h / Ambient temperature View Scheme

1: 29 percent / triphenylphosphine, iodine, pyridine / dioxane / 7 h / Ambient temperature 2: 78 percent / sodium methoxide / methanol / 16 h / Heating 3: 50 percent / imidazole / dimethylformamide / 1.25 h / Ambient temperature 4: 4 percent / sodium bicarbonate, m-chloroperbenzoic acid / 0.5 h / Ambient temperature 5: 52 percent / cesium fluoride / dimethylformamide / 3 h / Ambient temperature View Scheme

manganese triacetate T=25°C; 1.5 h; Irradiation; Yield given;