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Note | Regular issue | Vol 57, No. 12, 2002, pp.2409-2412
Published online, 1st January, 1970
DOI: 10.3987/COM-02-9622
A New Tricyclic Iridoid Glucoside from the Thai Medicinal Plant, Rothmannia wittii

Tripetch Kanchanapoom, Sapsuang Klai-on, Ryoji Kasai, Hideaki Otsuka, and Kazuo Yamasaki*

*Department of Pharmaceutical Botany and Pharmacognosy, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand

Abstract

A new tricyclic iridoid glucoside, rothwittioside, was isolated from the aerial part of Rothmannia wittii, along with four known iridoid glucosides, macrophylloside, gardenoside, 6α-hydroxygeniposide and 6β-hydroxygeniposide. The structural elucidations were based on analyses of spectroscopic data.