Reactions of pyridinium salts and pyridinium betaines with hydrogen peroxide: novel ring transformations to pyrroles, β-hydroxylation, and ring-opening

Abstract
N-(2-Oxidophenyl and 2-oxido-1-naphthyl)-2,4,6-triarylpyridiniums are oxidised by hydrogen peroxide to mixtures of tetra-arylpyrroles and 3-oxidopyridinium betaines whereas 2,4,6-triarylpyridinium salts and alkaline hydrogen peroxide give β-amino- and β-aroylamino-chalcones.

This publication has 0 references indexed in Scilit: