TEA in methanol T=20°C; 4 h;

1: 2,6-lutidine / various solvent(s) / 0.5 h / 20 °C 2: 5.73 g / TEA / methanol / 4 h / 20 °C View Scheme

1: 5.5 g / H2O2 / 2,2,2-trifluoro-ethanol; CH2Cl2; H2O / 4 h / 20 °C 2: 2,6-lutidine / various solvent(s) / 0.5 h / 20 °C 3: 5.73 g / TEA / methanol / 4 h / 20 °C View Scheme