Manganese(III) Acetate Induced Cyclization of α-Arylalkyl and α-(Aryloxy)alkyl β-Dicarbonyl Derivatives
The oxidation of the title compounds by manganese(III) acetate in acetic acid at 50-80 deg C affords products of intramolecular aromatic alkylation.High yield and selectivity are observed in six-membered ring closures, whereas five- and seven-membered rin