A convenient synthesis of (–)-11-nor-Δ9-tetrahydrocannabinol-9-methanol

Abstract
A convenient enantiospecific total synthesis of (–)-11-nor-Δ9-tetrahydrocannabinol-9-methanol, a human urinary metabolite of Δ9-tetrahydrocannabinol, has been accomplished in six steps from (R)-(+)-perillaldehyde.