ACTIVATED NITRILES IN HETEROCYCLIC SYNTHESIS: NOVEL SYNTHESIS OF PYRIDINE, BENZO[1,4]THIAZINE AND BENZO [1,3]THIAZOLE DERIVATIVES

Abstract

A novel synthesis of pyridine. benzo[1,4]thiazine and benzo[1,3]thiazole derivatives utilizing o-aminobenzenethiol and α,β-unsaturated nitriles as starting components is reported.

Key Words:

• α,β-Unsaturated nitriles
• o-aminobenzenethiol
• 4H-benzo[1,4]thiazines
• 2-arylbenzo[1,3]thiazoles