hydrogenchloride T=100°C;

Multi-step reaction with 5 steps 1: 79 percent / Na2CO3 / diethyl ether / 2.5 h / Ambient temperature2: 38 percent / methanol; diethyl ether / 3 h3: 70 percent / K2CO3 / acetone; H2O / 60 °C5: 71 percent / NaHCO3 / CHCl3; H2O / 2.5 h  

Multi-step reaction with 2 steps 2: 71 percent / NaHCO3 / CHCl3; H2O / 2.5 h  

Multi-step reaction with 3 steps 1: 70 percent / K2CO3 / acetone; H2O / 60 °C3: 71 percent / NaHCO3 / CHCl3; H2O / 2.5 h