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Note | Regular issue | Vol 60, No. 2, 2003, pp.373-378
Published online, 6th January, 2003
DOI: 10.3987/COM-02-9470
Three New Eremophilenolides from Ligularia hiberniflorum (Makino) Kitam.

Munehiro Nakatani,* Saori Maeda, Kenji Higashi, Junichi Kurawaki, Hiroaki Okamura, and Tetsuo Iwagawa

*Department of Chemistry and Bioscience, Faculty of Science, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan

Abstract

Three new eremophilenolides, 3β-angeloyloxy-6β,8α-dimethoxy-eremophil-7(11)-en-12,8β-olide, 3β-angeloyloxy-6β-hydroxy-8α-methoxy-eremophil-7(11)-en-12,8β-olide and 3β-angeloyloxy-6β-hydroxy-8β-methoxy-eremophil-7(11)-en-12,8α-olide, were isolated from the rhizomes of Ligularia hiberniflorum (Makino) Kitam. These structures were elucidated on the basis of spectroscopic evidence. The CD spectra of the compounds are also briefly discussed.