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Prenylated bisresorcinols from Grevillea floribunda

Hao Wang, Southern Cross University
David N. Leach, Southern Cross University
Paul I. Forster, Brisbane Botanic Gardens
Michael C. Thomas, University of Wollongong
Stephen J. Blanksby, University of Wollongong
Peter G. Waterman, Southern Cross University

Abstract

Seven new bisresorcinol derivatives, together with four known resorcinols, have been isolated from the ethyl acetate extract of the stems of Grevillea floribunda. Five of the new compounds (floribol A–E) were characterized as bisnorstriatol derivatives substituted at C-2 of both resorcinol units with variously modified prenyl (3-methylbut-2-enyl) units. The remaining two new compounds are similarly substituted derivatived of grebustol-B.

Suggested Citation

Wang, H, Leach, DN, Thomas, MC, Blanksby, SJ, Forster, PI & Waterman, PG 2009, 'Prenylated bisresorcinols from Grevillea floribunda', Phytochemistry Letters, vol. 2, no. 1, pp. 41-45.

The publisher's version of this article is available at http://dx.doi.org/10.1016/j.phytol.2008.11.004