Abstract

The reactions of trimethylaluminium with aliphatic diols, derivatives of 1,4-butandiol and 1,3-propadiol were studied. A mixtures of linear and cyclic organoaluminium compounds were the products of these reactions carried out for AIME 3: diol molar ratios of 3:2 or greater. One of the products isolated in all the studied reactions was a complex of a formula Me 5Al 3[diol(-2H)] 2 possessing one central five-coordinated aluminium atom and two terminal four-coordinated aluminium atoms. All the complexes were characterized by means of 1H, 13C and 27Al NMR spectra, elemental analysis and molecular weight determination.

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