pyridinium p-toluenesulfonate in toluene 2 h; Heating;

trimethylsilylazide; N,N-diethyl carbamoyl chloride in acetonitrile Heating;

1: 83 percent / m-chloroperbenzoic acid (87percent) / 1,2-dichloro-ethane / 24 h / 65 °C 2: 92 percent / sodium / 12 h / Heating 3: 70 percent / trimethylsilyl azide, diethylcarbamoyl chloride / acetonitrile / Heating View Scheme

1: 92 percent / sodium / 12 h / Heating 2: 70 percent / trimethylsilyl azide, diethylcarbamoyl chloride / acetonitrile / Heating View Scheme

sodium methylate in methanol 1 h; Heating;

Substitution;