 Additionally, Forsyth implemented the transformation in his synthesis of the C3-C14 (substituted 1,7-Dioxaspiro[5.5]undec-3-ene) System of okadaic acid.Epoxidation of alkenes is a common reaction because epoxides can be derivatized in a number of useful ways.Classically, laboratory epoxidation is carried out with mCPBA or other peracids.