Behavior of 5,6-dihydrobenzo[h]cinnolinones towards hydrazine. Synthesis of benzo[h]cinnolinones and of 4-aminobenzo[h]cinnolinones
Articolo
Data di Pubblicazione:
1999
Citazione:
Behavior of 5,6-dihydrobenzo[h]cinnolinones towards hydrazine. Synthesis of benzo[h]cinnolinones and of 4-aminobenzo[h]cinnolinones / S. Villa, G.L. Evoli, G. Cignarella, M.M. Curzu, G.A. Pinna. - In: JOURNAL OF HETEROCYCLIC CHEMISTRY. - ISSN 0022-152X. - 36:2(1999), pp. 485-492.
Abstract:
Dehydrogenation and amination of 4,4a,5,6-tetrahydro and 5,6- dihydrobenzocinnolinones in refluxing hydrazine hydrate to give new benzo[h]cinnolinones and 4-aminobenzo[h]cinnolinones are reported, and reaction mechanisms proposed. Experiments were also extended to 4,4a-dihydro- 5H-indenopyridazinone which underwent hydrazine induced dehydrogenation to 5H-indenopyridazin-3-one but not subsequent amination.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
S. Villa, G.L. Evoli, G. Cignarella, M.M. Curzu, G.A. Pinna
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