n-butyllithium in tetrahydrofuran; hexane
BuLi in hexane was added at -60°C under N2 to a stirred soln. of Me3SiCCH in THF, after 10 min a soln. of ZnCl2 in THF was added, mixt. was stirred for addnl. 15 min at -20°C; not isolated from the soln., used directly for further reactions;
参考文献
Ruitenberg, K.; Westmijze, H.; Kleijn, H.; Vermeer, P.
Journal of Organometallic Chemistry, 1984 , vol. 277, # 2 p. 227 - 234