![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]()
Cycloaddition?double fragmentation reactions of mesoionic compounds with dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate: synthesis of aromatic heterocyclesMatsukubo, Hiroshi; Kato, Hiroshi · Journal of the Chemical Society, Chemical Communications · 1975