Аннотация:
Highly electrophilic 6-nitro-4-azabenzofuroxan and 6-nitro-4-azabenzo[1,2,5]selenadiazole add π-excessive (het)arenes and other neutral nucleophiles at 7-position to give C–C and N–C-bonded adducts, 1,4-dihydropyridines fused with furoxan or selenadiazole ring.