thiophosphoryl trichloride; sodium hydroxide; tetrabutylammomium bromide in dichloromethane; water 8 h; Ambient temperature;

1: 2-chlorophenol With sodium hydroxide in water T=0°C; 2: thiophosphoryl trichloride With tetrabutylammomium bromide in dichloromethane; water T=0 - 20°C; 8 h;

thiophosphoryl trichloride; sulfur T=180°C;