dihydrogen peroxide; benzonitrile; Mg-Al-O-t-Bu HT (Catalyst B) in methanol; water T=65°C; 0.5 h; Product distribution / selectivity;

1: With N,N-dimethylthiocarbamoyl chloride in dichloromethane T=20°C; 2 h; 2: in acetonitrile 3 h; Reflux;