1: water / acetonitrile / pH 7.5 / |Photolysis; |Inert atmosphere 2: sodium carbonate / toluene / 6 h / 0 °C View Scheme

1: water / acetonitrile / pH 7.5 / |Photolysis; |Inert atmosphere 2: 4-(N,N-dimethlyamino)pyridine / dichloromethane / 20 °C 3: water / acetonitrile / pH 7.5 / |Photolysis; |Inert atmosphere View Scheme

water in acetonitrile pH=7.5; PhotolysisInert atmosphere; Quantum yieldKineticsMechanism; SolventReagent/catalyst;