反应条件
potassium tert-butoxide in tetrahydrofuran; diethyl ether; pentane Ar-atmosphere; dissoln. of ferrocene and KO(t)Bu in THF, cooling (-78°C), dropwise addn. of (t)BuLi (pentane), stirring for 60 min at -78°C, pouring into dry ice:Et2O mixture, warming to room temp.; extn. (0.75M NaOH, 2x), neutralization (HCl, to pH>4, pptn.), extn. (Et2O), filtration, drying (MgSO4), concn., addn. of hexanes, concn. (pptn.), collection (filtration); NMR-spectroscopy;
参考文献
Organometallics, , vol. 18, # 20 p. 4147 - 4155