1.1: NaH / tetrahydrofuran / 1 h / 20 °C 1.2: tetrahydrofuran / 2 h / Heating 2.1: 1-methyl-pyrrolidin-2-one / 0.33 h / 180 °C View Scheme

in 1-methyl-pyrrolidin-2-one T=180°C; 0.333333 h;