Title: Chemical constituents of gentianaceae IX: Natural occurrence of erythrocentaurin in Enicostemma hyssopifolium and Swertia lawii
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Abstract
Erythrocentaurin was isolated from two gentianaceous plants—viz., Enicostemma hyssopifolium (Willd.) Verd. (synonymous with E. littorale) and Swertia lawii Burkill., as a native compound. Its natural occurrence was demonstrated for the first time by using a modified isolation procedure. The identity of the compound was established by chemical transformations and spectral (UV, IR, NMR, and mass spectra) evidence. Phylogenetic significance of the cooccurrence of erythrocentaurin and a number of structurally related monoterpene alkaloids in E. hyssopifolium is discussed. Copyright © 1974 Wiley‐Liss, Inc., A Wiley Company
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Enicoflavine—spontaneous transformation into erythrocentaurin, gentiocrucine, and gentianine, Enicostemma hyssopifolium—natural occurrence of erythrocentaurin and structurally related monoterpene alkaloids, Erythrocentaurin—isolation and identification from Enicostemma hyssopifolium and Swertia lawii, Swertia lawii—natural occurrence of erythrocentaurin and gentianine