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Note | Regular issue | Vol 75, No. 3, 2008, pp.661-668
Published online, 7th December, 2007
DOI: 10.3987/COM-07-11242
Three New Furanosesquiterpenoids from Bombax malabaricum and Revised NMR Assignment of Hibiscone C

Xiaohui zhang, Shuwei Zhang, and Lijiang Xuan*

*State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institute for Biological Sciences, Chinese Academy of Science, 555 Zuchongzhi Rd., Zhangjiang Hi-Tech Park, Shanghai, 201203, China

Abstract

Hibiscone C (1), and three new furanosesquiterpenoids, namely bombaside, bombaxone, and 7β-O-β-glucopyranosyl bombaxone (2-4), were isolated from the roots of Bombax malabaricum. Their structures were characterized by extensive 1D and 2D NMR spectroscopic analyses. The NMR assignment of hibiscone C was revised.