tert-butylhypochlorite in dichloromethane T=0°C; 0.333333 h;

1: 13.72 g / sodium carbonate / methanol; H2O / 1) room temperature, 2) reflux, 2 h 2: 7.0 g / t-butylhypochlorite / benzene / 2 h / in the dark View Scheme

1: silver carbonate; trifluoroacetic acid / 0.5 h / Cooling with ice 2: palladium diacetate; acetic acid; silver(l) oxide / 24 h / 120 °C 3: methanol / 0.17 h / Inert atmosphere; UV-irradiation View Scheme

silver tetrafluoroborate in diethyl ether; benzene

1: silver carbonate; trifluoroacetic acid / 0.5 h / Cooling with ice 2: palladium diacetate; acetic acid; silver(l) oxide / 24 h / 120 °C View Scheme