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Planta Med 1989; 55(3): 307-308
DOI: 10.1055/s-2006-962014
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© Georg Thieme Verlag Stuttgart · New York

Guaiacin A and B from the Leaves of Guaiacum officinale

Viqar Uddin Ahmad, Shaista Perveen, Shaheen Bano
  • H. E. J. Research Institute of Chemistry, University of Karachi, Karachi-32, Pakistan
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Publication History

1988

Publication Date:
24 January 2007 (online)

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Abstract

Guaiacin A and B, two new saponins, have been isolated from the leaves of G. officinale and were characterised on the basis of 13C-NMR and FAD mass spectroscopy as 3-O-(β-D-glucopyranosyl (1→3)-α-L-arabinopyranosyl]-30-nor-olean-12,20(29)-dien-28-O-β-D-glucopyranosyl ester (1) and 3-O-[D-glucopyranosyl-(1→3)-α-L-arabinopyranosyl] oleanolic acid-28-O-β-D-glucopyranosyl ester (2).