1: ethanol; H2O / 2.5 h / Ambient temperature 2: 92 percent / m-chloroperbenzoic acid / CHCl3 / Ambient temperature 3: 50 percent / Heating 4: 75 percent / K2CO3 / methanol / 2.5 h View Scheme

1: ethanol; H2O / 2.5 h / Ambient temperature 2: 92 percent / m-chloroperbenzoic acid / CHCl3 / Ambient temperature View Scheme

1: ethanol; H2O / 2.5 h / Ambient temperature 2: 92 percent / m-chloroperbenzoic acid / CHCl3 / Ambient temperature 3: 50 percent / Heating 4: 75 percent / K2CO3 / methanol / 2.5 h 5: 81 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature View Scheme

in acetonitrile T=25°C; Rate constantEquilibrium constant;

in acetonitrile T=25°C; Rate constantEquilibrium constant;

1,4-dioxane

in ethanol; water 2.5 h; Ambient temperature; Yield given;

1,4-dioxane