A synthesis of 7-isopimarene-18-oic acid (dihydroisopimaric acid)
Abstract
A synthesis is described of 7-isopimarene-18-oic acid (dihydroisopimaric acid) from methyl 8(14),15-isopimaradien-18-oate (methyl sandaracopimarate) based on the reactivity of α-epoxides in this series.