Heterocyclisch anellierte Derivate des Strychnins: Imidazo-, Oxazolo- und (1,3-Dioxolo)strychnine

Heterocyclic anellated derivatives of strychnine: Imidazo-, oxazolo- and (1,3-dioxolo)strychnine The synthesis of imidazo-, oxazolo- and dioxolo-strychnine derivatives, anellated at the 2,3-position of the aromatic nucleus is described. The spectroscopic properties of these compounds and of some intermediates are given.