Pentacyclic triterpene synthesis. Preparation of a useful intermediate
Abstract
3,4,4a,5,6,7,8,8aβ-Octahydro-2,4aβ,7,7-tetramethylnaphthyl-1-methanol, a useful intermediate for further elaboration into the pentacyclic triterpene β-amyrin, has been synthesized in a ten-step route from 2,5,5-trimethylcyclohexane-1,3-dione.