Formation of derivatives of benzofuran, indole, and cinnoline in the reaction of 7-(N-morpholinyl)-7-methyl-8a-hydroxy-4,5,8,8a-tetrahydro-7H-pyrrolo[3,2-e]-2,1,3-benzoxadiazole 6-oxide with nucleophilic reagents
Formation of derivatives of indole and 1-hydroxyindole upon reaction of 4-oxo-5-hydroximino-4,5,6,7-tetrahydrobenzofurazan and -tetrahydrobenzofuroxan with enamines