Showing papers by "Ernest Wenkert published in 1974"

TL;DR: The following oxygenated diterpenes have been isolated from the bark of Podocarpus ferrugineus D. Don: isopimarol, sandaracopimaric acid, ferruginol, sugiol, sugiyl methyl ether, xanthoperol, royleanone, 6-dehydroroyleanone, cryptojaponol and 5β-hydroxy-6-oxasugiyl methyl Ether.

TL;DR: The minor alkaloids of Discaria longispina have been shown to be the known compounds adouetine Y' and frangufoline as mentioned in this paper, as well as Scutianine B and the new alkalo

TL;DR: The trunk wood of Emmotum nitens (Benth.) Miers (Icacinaceae) contains the aromatic sesquiterpenes 2-Hydroxy-3-(2′-hydroxyisopropyl)-8-methoxymet.

TL;DR: In this article, the PMR spectra of the peptide alkaloids discarine B and frangulanine have been recorded and the signals assigned to the signals.