The Reactions of (+)-2- and (+)-3-Carenes with the Retention of the Bicyclic Framework

Carane-type compounds have attracted attention in recent years due to their practical importance. This review is focused on describing the developments in the synthesis of trimethylbicyclo[4.1.0]heptanes and their unsaturated analogues from monoterpenes (+)-2- and (+)-3-carenes published mostly during the last decade.