Synthesis of 1-arylalk-2-enes and 1-arylalkanes via Friedel–Crafts alkylation with allylic alcohols catalysed by an acidic clay
Abstract
Moderately activated benzenoid compounds undergo alkylation with allylic alcohols in the presence of acidic K10 clay to give almost exclusively 1-arylalk-2-enes by attack at the terminal position of the intermediate allyl cation; catalytic hydrogenation yields the corresponding 1-arylalkanes.