hydrogenchloride; water in methanol; ethanol; dichloromethane T=20°C; 12 h; Inert atmosphereSchlenk technique;

1.1: C6H5LiO2S / toluene; tetrahydrofuran; hexane / 2 h / -78 - 20 °C / |Inert atmosphere; |Schlenk technique 1.2: 18 h / -78 - 20 °C / |Inert atmosphere; |Schlenk technique 2.1: water; toluene; tetrahydrofuran; hexane / |Inert atmosphere; |Schlenk technique; |Reflux 3.1: hydrogenchloride; water / dichloromethane; ethanol; methanol / 12 h / 20 °C / |Inert atmosphere; |Schlenk technique View Scheme