976. Conjugated macrocycles. Part XXIV. A new type of cross-conjugated macrocycle, related to the azaporphins

Abstract

Elvidge and Linstead 976. Conjugated Macrocycles. Part XXIV.* A New Type of Cross-conjugated Macrocycle related to the Azaporphins. By J. A. ELVIDGE and R. P.'LINSTEAD. 1 3-Di-iminoisoindoline readily reacts with 2 6-diaminopyridine to give a red compound C,,H,,NS. The structure of this has been established as (11