14C tracer study of the dehydrocyclization of n-heptane over Pt on nonacidic alumina

Abstract

The 14C in the methyl position of toluene from the dehydrocyclization of n-heptane labeled in the 1 or 4 position was consistent with a mechanism including a direct six-carbon ring formation. The aromatic ring was degraded, and the 14C distribution in the ring was also in agreement with 80% or more of the aromatic being formed by a direct six-carbon ring formation.