A Synthesis of Alkylpyridines

Abstract

The action of hydrochloric acid on a pentane-1,5-dialdehyde bis-2,4-dinitrophenylhydrazone, in acetic acid, yields the corresponding pyridine. The method is a useful one, applicable to the synthesis of various alkylpyridines. Its application to the synthesis of 2,3-dihydropyridines is also reported.