7,8-dihydroajugasterone C, norhygrine and other constituents of Nierembergia hippomanica

Phytochemistry
1996.0

Abstract

The new' ecdysteroid-like polyhydroxyketosterol (20R,22R)-2 beta,3 beta,11 alpha,14 alpha,20,22-hexahydroxy-5 beta-cholestan-6-one (7,8-dihydroajugasterone C or 7,8-dihydro-11 alpha-hydroxyponasterone A) and the new pyrrolidine alkaloid, norhygrine, were identified as constituents of whole plants of Nierembergia hippomanica, together with the known compounds, ecdysterone, quercetin 3-O-beta-D-galactopyranoside, D-mannitol, choline and tigloidine.

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