The transformation of arenes into acetyl dienes via nucleophilic addition to arene–Cr(CO)3complexes and trapping with Mel

Abstract
Anionic cyclohexadienyl–Cr(CO)3 complexes, formed by addition of reactive carbanions to benzene–Cr(CO)3 and naphthalene–Cr(CO)3 complexes, react with Mel by addition and carbonylation to yield disubstituted cyclohexadienes and dihydronaphthalenes, respectively.