Scheme 1From: Auto-oxidation of Ent-beyer-15-en-19-al isolated from the essential oil of the heartwood of Erythroxylum monogynum Roxb.: formation of 15,16-epoxy-ent-beyeran-19-oic acid and other productsAuto-oxidation of an aldehyde group with concurrent epoxidation of a carbon–carbon double bondBack to article page