CHEMISTRY LETTERS, pp. 1229-1232, 1991. 1991 The Chemical Society of Japan Novel Single Step Preparation of 1,3,5-Thiadiazin-4-ones from Carbon Oxide Sulfide and Dialkylcyanamides under High Pressure Masahiko YASUMOTO, Tohru TSUCHIYA, Yoichi TAGUCHI, Isao ...