exclusion of moisture; at 100°C, phosgene is passed through tin isocyanate; within 20 min the temperature is raised to 160°C; distillation; reaction is finished after 2 h; redistillation;
参考文献
Akteries, Bernhard; Jochims, Johannes C.
Chemische Berichte, 1986 , vol. 119, # 1 p. 83 - 95
exclusion of moisture; at 100°C, phosgene is passed through tin isocyanate; within 20 min the temperature is raised to 160°C; distillation; reaction is finished after 2 h; redistillation;
参考文献
Akteries, Bernhard; Jochims, Johannes C.
Chemische Berichte, 1986 , vol. 119, # 1 p. 83 - 95