(S)-2-hydroxycuparene [p-(1,2,2-trimethylcyclopentyl)-o-cresol] and 3,4′-ethylenebisphenol from a liverwort, Marchantia polymorpha linn

Abstract

(S)-2-Hydroxycuparene and 3,4′-ethylenebisphenol have been isolated from Marchantia polymorpha Linn., together with a mixture of campesterol, stigmasterol, and β-sitosterol, and other terpenoid constituents. Syntheses of (R)-2-hydroxycuparene and of the bisphenol are reported.