(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
Efficient preparation of some biologically active substances from natural and nonnatural aromatic compounds by m-chloroperbenzoic acid oxidation
作者:Yoshinori Asakawa、Reiko Matsuda、Motoo Tori、Masakazu Sono
DOI:10.1021/jo00258a010
日期:1988.11
Enantioselective Synthesis of Cuparane Sesquiterpenes. Synthesis of (−)-Cuparene and (−)-δ-Cuparenol
作者:Antonio Abad、Consuelo Agulló、Manuel Arnó、Ana C. Cuñat、M. Teresa García、Ramón. J. Zaragozá
DOI:10.1021/jo960463g
日期:1996.1.1
(-)-Cuparene land (-)-delta-cuparenol, two cuparane-type sesquiterpenoids, were synthesized from beta-cyclogeraniol in 47% and 27% overall yield, respectively, using a Katsuki-Sharpless asymmetric epoxidation, a pinacollic rearrangement, and a Robinson annulation as key synthetic steps.