ERYTHROSUAVINE, A NEW DITERPENIC ALKALOID FROM ERYTHROPHLEUM SUAVEOLENS (GUILL. & PERR.) BRENAN

From the chloroform extract of the stem bark of Erythrophleum suaveolens (Guill. & Perr.) Brenan, a new diterpenic alkaloid (Erythrosuavine) has been isolated and characterized as N-acetyl-9,11-dehydro-6-ketocassaidinyl-3-acetate 1 . The structure of the above compound was elucidated from one and two-dimensional 1 H and 13 C NMR spectra as well as from 1 H- 1 H COSY, HMQC and HMBC correlations. KEY WORDS : N-acetyl–9,11-dehydro–6-ketocassaidinyl-3-acetate, Erythrophleum suaveolens , Erythrosuavine Bull. Chem. Soc. Ethiop. 2005, 19(1), 69-74.