palladium 10 on activated carbon; hydrogen in tetrahydrofuran

1: N,N-dimethyl-formamide / 50 °C 2: methanesulfonyl chloride; pyridine; 4-(N,N-dimethlyamino)pyridine / |Reflux 3: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane 4: perchloric acid; water / tetrahydrofuran / 20 °C 5: hydrogen; palladium 10 on activated carbon / tetrahydrofuran View Scheme

1: methanesulfonyl chloride; pyridine; 4-(N,N-dimethlyamino)pyridine / |Reflux 2: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane 3: perchloric acid; water / tetrahydrofuran / 20 °C 4: hydrogen; palladium 10 on activated carbon / tetrahydrofuran View Scheme

1: 3-chloro-benzenecarboperoxoic acid; sodium hydrogencarbonate / dichloromethane 2: perchloric acid; water / tetrahydrofuran / 20 °C 3: hydrogen; palladium 10 on activated carbon / tetrahydrofuran View Scheme

1: perchloric acid; water / tetrahydrofuran / 20 °C 2: hydrogen; palladium 10 on activated carbon / tetrahydrofuran View Scheme