Issue 6, 1988

Oligomeric flavanoids. Part 1. Novel dimeric profisetinidins from Colophospermum mopane

Abstract

The range of natural dimeric profisetinidins is extended by the recognition of a series of novel (4,6)-coupled analogues based not only on (–)-fisetinidol [(2R,3S)-2,3-trans-flavan-3,3′,4′,7-tetraol] but for the first time also on (+)-epifisetinidol [(2S,3S)-2,3-cis-flavan-3,3′,4′,7-tetraol] as constituent units, e.g. the (–)-fisetinidol-(4α,6)- and (4β,6)-(+)-epifisetinidols. They are accompanied by bis(4α,6′)-(–)-fisetinidol and (–)-fisetinidol-(4α,6′)-(+)-epifisetinidol, the first prototypes of naturally occurring B-ring coupled profisetinidins, and by the first dimeric peltogynoid analogue, (2S,3S,4R)-2,3-cis-3,4-trans-4[(2R,3S)-2,3-trans-3-hydroxy-3′,4′,7-trihydroxyflavan-6-yl]mopanane-3′,4′,7-triol.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1988, 1325-1330

Oligomeric flavanoids. Part 1. Novel dimeric profisetinidins from Colophospermum mopane

J. A. Steenkamp, J. C. S. Malan, D. G. Roux and D. Ferreira, J. Chem. Soc., Perkin Trans. 1, 1988, 1325 DOI: 10.1039/P19880001325

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