ChemInform Abstract: A Convenient Method for the Preparation of 1‐Substituted and 1,3‐ Disubstituted Pyrroles from Acetals of 3‐Alkenals.

Abstract

A Convenient Method for the Preparation of 1-Substituted and 1,3-Disubstituted Pyrroles from Acetals of 3-Alkenals.-Bromination and hydrolysis of the acetals (I) followed by reaction with the amines (II) leads to the formation of the pyrroles (III). ( Mechanism). -(KULINKOVITSCH, O. G.; SOROKIN, V. L.; AZZUZ, A.; SVIRIDOV, S. V.; MASALOV, N. V.; Synthesis (1993) 11, 1059-1060 Beloruss. gos. univ., Minsk 220080, Belarus; DE)