Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Thermolysis on the surface of Al 2 O 3 is proposed as a mild and convenient preparative method for /3,3/-sigmatropic Carrol rearrangement of acetoacetic esters of tertiary allyl alcohols into respective γ-δ-unsaturated ketones. ... An adsorption of Al 2 O 3 may serve as an effective tool to ...