molar ratio of educts 1:8, heating at 200°C, or at 140°C in a sealed tube for 3 h; sublimation of C9H7NO*HCl at 250°C and 0.05 Torr, sublimation of product at ca. 350°C and 0.05 Torr;

sulfuryl dichloride; chloroform

trichlorophosphate T=60°C; 10 h;