2003•PubMedRequires access
2'-(2,3-Dihydroxybenzoyloxy)-7-ketologanin: a novel iridoid glucoside from the leaves of Gentiana kurroo.
Varun Kumar, Ramesh Chand, Abdurazag A. Auzi, Yasumasa Ikeshiro, Satyajit D. Sarker
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Abstract
A new bitter acylated iridoid glucoside, 2'-(2,3-dihydroxybenzoyloxy)-7-ketologanin (1), has been isolated from the leaves of Gentiana kurroo. The structure of the compound was elucidated conclusively by chemical analysis, and extensive 1D and 2D NMR experiments.