Esters of quinolizidine alkaloids from the genus Pearsonia

Phytochemistry
1990.0

Abstract

Alkaloidal extracts of two species from the genus Pearsonia yielded several quinolizidine alkaloids. Amongst these were four new esters of hydroxylated lupanines, cajanifoline (3β-hydroxylupanine-13α-O-angelate), sessilifoline (3β-hydroxylupanine-4α-O-angelate), pearsonine (3β,8α-dihydroxylupanine-13α-O-angelate) and cryptanthine (8α-hydroxylupanine-13α-O-angelate). The correct structure for a hydroxylated lupanine (previously believed to be nuttalline), namely 3β-hydroxylupanine, is reported. © 1990.

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