反应条件
sodium in tetrahydrofuran; toluene
Na suspended in boiling toluene, cooled, toluene removed, Na washed with THF, THF added, C2H2 introduced in suspn. with stirring, mixt. standing at 45°C for 1 h, cooled to room temp., soln. of Et2NBCl2 in THFadded for 1 h; filtered, solvents removed;
参考文献
Berger, Hans-Otto; Noeth, Heinrich; Rub, Guenther; Wrackmeyer, Bernd
Chemische Berichte, 1980 , vol. 113, # 4 p. 1235 - 1244
