Oxidative Cleavage of 7-Oxo-6,7-dihydroisoxazolo[3,4-<i>d</i>] pyridazines by Cerium(IV) Diammonium Nitrate. A Synthetic Approach to New 5-Acyl-4-nitro-3-oxo-2,3-dihydropyridazines - Concepedia

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Oxidative Cleavage of 7-Oxo-6,7-dihydroisoxazolo[3,4-<i>d</i>] pyridazines by Cerium(IV) Diammonium Nitrate. A Synthetic Approach to New 5-Acyl-4-nitro-3-oxo-2,3-dihydropyridazines

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References

1989

Year

Vittorio Dal Piaz, Giovanna Ciciani, Giovanni Turco

Chemical EngineeringEngineeringHeterocyclicNitric AcidOrganic ChemistryOxidative CleavageChemistryDiammonium NitrateNew 5-Acyl-4-nitro-3-oxo-2,3-dihydropyridazinesHeterocycle ChemistrySynthetic Chemistry5-Acyl-4-nitro-3-oxo-2,3-dihydropyridazines 3

Abstract

5-Acyl-4-nitro-3-oxo-2,3-dihydropyridazines 3 were prepared by heating 7-oxo-6,7-dihydroisoxazolo[3,4-d]pyridazines, 2 with cerium(IV) diammonium nitrate in dilute acetic and nitric acid.