The meliacins (limonoids). Nimbolin A and B, two new meliacin cinnamates from Azadirachta indica L. and melia azedarach L.

Abstract

Two new meliacins, nimbolin A (I) and B (II), as well as fraxinellone (previously reported from Dictamnus albus L., fam. Rutaceae) and gedunin, have been isolated from the trunk woods of Azadirachta indica L. and Melia azedarach L. (both, fam. Meliaceae).