Two new azadiron limonoids from Turraea cornucopia.

Abstract

Two novel limonoids, 12a-acetoxy-7-deacetylazadiron (1) and 1a, 12a-diacetoxy-Zsdeacetyl-I, 2-dihydro-3 a-hydroxyazadiron (2) were isolated and characterized from the root bark of Turraea cornucopia Styles & F. White along with the known 12a-acetoxy-7-deacetyl-1,2- dihydroazadiron [mzikonone (3)).