A REGIOSPECIFIC SYNTHESIS OF ~Y-ACETYL-CY'- ... R. Sabie H. Fillion, *a M.Daudon , a H .Pinatelb ... Abstract : A regiospecific synthesis of l-acetyl-5- carbamoyloxy-8-hydroxy naphthalenes from the adduct of benzoquinone and (E)-2,4-pentadienoic acid was described. ... The Diels-Alder reaction is one of the most useful ... We describe in this paper a new methodology for the ... The aromatic lactone was initially prepared in a two-