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Note | Regular issue | Vol 65, No. 8, 2005, pp.1963-1966
Published online, 27th May, 2005
DOI: 10.3987/COM-05-10429
New Coumarins from the Ailanthus altissima

Seon Woo Hwang, Jong Rok Lee, Jun Lee, Hyun Sook Kwon, Min Suk Yang, and Ki Hun Park*

*Department of Chemistry, Division of Applied Life Science, Gyeongsang National University, 900, Gaja-Dong, Chinju, 660-701, Korea

Abstract

Two new coumarin derivatives were isolated together with three known coumarins, artelin (3), isofraxidin (4), and scoploetin (5) from the bark of Ailanthus altissima (Simaroubaceae). New coumarin derivatives were elucidated as terpenylated coumarins, named altissimacoumarin A (1) and altissimacoumarin B (2), respectively. trans-Configuration of between C-2’ and C-9’ in compound (1) was clearly confirmed by NOESY experiments.