反应条件
hydrogenchloride; air; carbon dioxide in diethyl ether Addn. of n-PrMgBr (Et2O) to stirred Et2O suspn. of Cp2TiCl2 and C4H6 (Ar, 0°C) over 5 min, stirring (30 min) at room temp. Bubbling of CO2 through soln. (1 h, room temp.), hydrolysis with aq. HCl, passing of air into react. mixt. for 15 min.; Filtn. gives Cp2TiCl2 in 93percent yield recovery. Addn. of aq. NaOH to filtrate, sepn. of org. layer, discarding; extn. of aq. layer with ether, discarding, addn. of concd. HCl, extn. with ether, drying, concn. in vac. Purifn. by trap-to-trap distn.;
参考文献
Inorganica Chimica Acta, , vol. 222, p. 145 - 154
