Cycloaddition—double fragmentation reactions of mesoionic compounds with dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate: synthesis of aromatic heterocycles

Abstract

H. Matsukubo and H. Kato, J. Chem. Soc., Chem. Commun., 1975, 840 DOI: 10.1039/C39750000840