Synthesis of new vanillin derivatives from natural eugenol

Indonesia has the world’s largest Syzygium aromaticum plant area. Leaves and buds of this plant are distilled to yield clove essential oil. Separation of eugenol from clove oil and its transformation to various derivatives have been carried to increase added value of these oil. This paper reports transformation of eugenol to vanillin, vanillyl alcohol, and three new fragrances.