ausblenden:
Schlagwörter:
Nitrilimines; Hydrazones; Triazoles; Cyclo-addition reactions; Spiro compounds
Zusammenfassung:
Hydrazonoyl halides (1) react with substituted hydrazones of alkanone, cycloalkanone and heterocyclic ketones (2-4) to give the cycloaddition products 4,5-dihydro-1,2,4-triazoles (5-7). The assignment of structures (5-7) was based on spectral data (mass spectra, IR, 1H and 13C NMR).