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Planta Med 1986; 52(4): 302-304
DOI: 10.1055/s-2007-969159
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© Georg Thieme Verlag Stuttgart · New York

Two Novel Minor Alkaloids From Ethiopian Calpurnia aurea Ssp. aurea

Kaleab Asres, J. David Phillipson, Paolo Mascagni
  • The School of Pharmacy, University of London 29-39 Brunswick Square, London WC1N 1AX, U.K.
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1985

Publikationsdatum:
26. Februar 2007 (online)

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Abstract

Two novel minor quinolizidine alkaloids 4 β-hydroxy-13α-O-(2′-pyrrolylcarbonyl)-lupanine (digittine) and its amino alcohol, 4 β, 13α-dihydroxylupanine, have been isolated from Ethiopian Calpurnia aurea ssp. aurea. The structures of these alkaloids were determined by chemical transformation and by means of spectroscopic techniques (UV, IR, CD, MS, 1H-NMR and 13C-NMR) including two dimensional NMR.

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