1965 Volume 38 Issue 11 Pages 1865-1868
Hydride-free triethylaluminum has been prepared by destroying diethylaluminum hydride by reaction with diethylzinc. The reaction of hydride-free triethylalumi and titanium tetrachloride in benzene shows the instantaneous reduction of titanium tetrachloride. It has been concluded that the reduction of titanium tetrachloride is not cussed, caused only by the presence of diethylaluminum hydride as an impurity in triethylaluminum, as has been proposed by Roha. Triethylaluminum treated with ethylene at a highi pressure does not reduce titanium tetrachloride under ordinary conditions, even though it contains appreciable amount of the hydride.
On the basis of the above facts, the reaction of Ziegler-catalyst component has been discussed.
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