Cyclopentanoid Cyanohydrin Glucosides and Amides of Lindackeria dentata

Abstract

A mixture of cyanogenic glucosides epivolkenin and taraktophyllin, 1,4-dihydroxy-2-cyclopentenecarboxamide, and uridine were isolated from leaves of Lindackeria dentata (Flacourtiaceae). Another cyclopentanoid amide, (1R,4S,5R)-1,4,5-trihydroxy-2-cyclopentenecarboxamide, was synthesized in two steps from gynocardin, and shown to have the same relative configuration as a partially identified amide previously isolated from L. dentata bark.

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