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Planta Med 1990; 56(3): 295-297
DOI: 10.1055/s-2006-960962
Paper

© Georg Thieme Verlag Stuttgart · New York

Ambrosanolides and Other Constituents of Two Rudbeckia Species

Alicia B. Gutiérrez, Werner Herz
  • Department of Chemistry, The Florida State University, Tallahassee, Florida 32306, USA
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Publication History

1989

Publication Date:
05 January 2007 (online)

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Abstract

Aerial parts of Rudbeckia subtomentosa Pursh furnished four C-15 functionalized ambrosanolides, one of them new, as well as coumarin. Aerial parts of Rudbeckia triloba L. var. triloba furnished coumarin and two closely related thiopheneacetylenes.

Key words

Rudbeckia tomentosa - R. triloba - Heliantheae - Compositae - sesquiterpene lactones - ambrosanolides - thiopheneacetylenes - coumarin