反应条件
in tetrahydrofuran; pentane
C2H2 introduced in THF, stirred at room temp. for 3 h, C2H5MgBr added to THF soln. of B-compd. at -60°C for 2.8 h, stirred at room temp.for 15 h, THF removed in vac., pentane added to residue, Mg-salt pptd.,soln. concd.; filtered, washed with pentane, distd.; elem. anal.;
参考文献
Berger, Hans-Otto; Noeth, Heinrich; Rub, Guenther; Wrackmeyer, Bernd
Chemische Berichte, 1980 , vol. 113, # 4 p. 1235 - 1244
