1: 94 percent / N-methylmorpholine; IBC-Cl; NaN3 / tetrahydrofuran / 0.5 h / -10 °C 2: 93 percent / toluene / 0.25 h / microwave irradiation 3: 84 percent / LiOH / tetrahydrofuran / Heating View Scheme

1: 94 percent / N-methylmorpholine; IBC-Cl; NaN3 / tetrahydrofuran / 0.5 h / -10 °C 2: 88 percent / toluene / 0.25 h / microwave irradiation 3: 73 percent / LiOH / tetrahydrofuran / 20 °C View Scheme

1: 94 percent / N-methylmorpholine; IBC-Cl; NaN3 / tetrahydrofuran / 0.5 h / -10 °C 2: 91 percent / toluene / 0.25 h / microwave irradiation 3: 81 percent / LiOH / tetrahydrofuran / Heating View Scheme