n-butyllithium; diisopropylamine in tetrahydrofuran
cooling of soln. of diisopropylamine in THF to -70°C for 10 min; addn. of n-BuLi for 5 min; after 15 min heating to room temp.; addn. of SnH(n-Bu)3 for 5 min; stirring at room temp. for 30 min; addn. of SiEt3Cl; stirring for 3 h at room temp.; evapn., chromy. on silica gel (hexanes);
参考文献
Warren, Sandra; Chow, Albert; Fraenkel, Gideon; Rajanbabu
Journal of the American Chemical Society, 2003 , vol. 125, # 50 p. 15402 - 15410