MCM-41 mesoporous silica in ethanol; water T=80 - 90°C; 8 h; Green chemistry;

1.1: n-butyllithium / tetrahydrofuran; hexane / 2 h / -30 - -20 °C / |Inert atmosphere 1.2: 4 h / 15 - 25 °C / |Inert atmosphere 1.3: 4 h / 55 - 65 °C 2.1: pyridine; 4-(N,N-dimethlyamino)pyridine / 24 h / 60 - 75 °C 3.1: 3-chloro-benzenecarboperoxoic acid / dichloromethane / 16.5 h / 0 - 20 °C View Scheme