sodium methylate in methanol 24 h; Heating;

1: 82 percent / O2 / methanol / 8 h / Irradiation 2: 85 percent / CH3ONa / methanol / 24 h / Heating View Scheme

1: 75 percent / 0.33 h / 180 °C 2: 70 percent / N,N-dimethyl-acetamide / 5 h / 50 °C 3: 82 percent / O2 / methanol / 8 h / Irradiation 4: 85 percent / CH3ONa / methanol / 24 h / Heating View Scheme

1: 70 percent / N,N-dimethyl-acetamide / 5 h / 50 °C 2: 82 percent / O2 / methanol / 8 h / Irradiation 3: 85 percent / CH3ONa / methanol / 24 h / Heating View Scheme