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Report | Regular issue | Vol 23, No. 2, 1985, pp.365-369
Published online, 1st January, 1970
DOI: 10.3987/R-1985-02-0365
New Functionalized Pyrazoles from Isoxazolopyridazinones

Vittorio Dal Piaz,* Giovanna Ciciani, and Stefano Chimichi

*Dipartimento di Scienze Farmaceutiche, Università di Ferrara, via Fossato di Mortara 17, I-44100, Ferrara, Italy


Treatment of 3-methylisoxazolo[3,4-d]pyridazin-7(6H)-ones (1a-d) with dilute NaOH affords in good yields new pyrazole derivatives which can be regarded as building blocks for condensed heterocycles with potential biological activity.