Isomerization and Hydration of Longifolene with Chloroacetic Acids

Abstract

Isomerization and hydration of longifolene [1] by the action of equimolar mono-, di-, and trichloroacetic acids have been studied under anhydrous and/or aqueous conditions.
Longicamphene hydrate [3], longifenchyl alcohol [4], and longiborneol [5] were obtained as minor products along with isolongifolene [2], the major product. The conversion of C to these products was almost quantitative under selected conditions.