反应条件
cyanic acid sodium salt in tetrahydrofuran byproducts: NaCl, methyl carbamate; with light exclusion, THF soln. BiCl3 was added to THF suspn. of NaOCN, THF soln. of 3 equiv. of oxo-compd. was dropped, 80 °C for 6 h; Na-salts were filtered off, solvents were removed, methyl carbamate was sublimed in vac. at 60 °C, recrystn. from THF, elem. anal.;
参考文献
Echigo, Masatoshi; Takao, Ryoji; Wakeshima, Ikuko
Nippon Kagaku Kaishi (Journal of the Chemical Society of Japan), 2000 , p. 237 - 242