ChemInform Abstract: 2‐Aza‐1,3‐dienes. Part 6. “tert.‐Amino Effect” on Acidic Treatment of (Pyrrolidin‐1‐yl)azadienes.

Abstract

The title compounds (III) and (V) furnish, by a (1,5)‐H shift, the heterocyclic systems (IV) and (VI), resp.; the latter loose HCN spontaneously to give (VII).