Structural characterization of piperidine alkaloids from Pandanus amaryllifolius by inverse-detected 2D NMR techniques

Phytochemistry
1993.0

Abstract

Three novel piperidine alkaloids were isolated and identified from the leaves of Pandanus amaryllifolius. The structures of pandamarilactone-1, pandamarilactone-32 and pandamarilactone-31 were elucidated using 2D NMR techniques including inverse-detected Heteronuclear Multiple Bond Correlation (HMBC) and Heteronuclear Multiple Quantum Coherence (HMQC) spectroscopy. All of these piperidine alkaloids have a C9-N-C9 skeleton and could be derived biogenetically from 4-hydroxy-4-methylglutamic acid. © 1993.

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