(S)-2-hydroxycuparene [p-(1,2,2-trimethylcyclopentyl)-o-cresol] and 3,4′-ethylenebisphenol from a liverwort, Marchantia polymorpha linn
作者:Barrie J. Hopkins、Guido W. Perold
DOI:10.1039/p19740000032
日期:——
(S)-2-Hydroxycuparene and 3,4′-ethylenebisphenol have been isolated fromMarchantiapolymorphaLinn., 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.
Total Synthesis of (+)-Aquaticol by Biomimetic Phenol Dearomatization: Double Diastereofacial Differentiation in the Diels–Alder Dimerization of Orthoquinols with aC2-Symmetric Transition State