New heteroyohimbine-type oxindole alkaloid from the leaves of Thai Mitragyna hirsuta

Journal of Natural Medicines
2007.0

Abstract

A new oxindole alkaloid, isomitraphyllinol (1), was isolated from the leaves of Thai Mitragyna hirsuta, together with five known oxindole alkaloids (2-6). The structure of the new compound was determined by spectroscopic analysis.

DOI： 10.1007/s11418-006-0114-7

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