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Communication | Regular issue | Vol 20, No. 5, 1983, pp.765-770
Published online, 1st January, 1970
DOI: 10.3987/R-1983-05-0765
Studies on Pyridazine Compounds, XIV. Cyclization of Pyridazinylhydrazones

Géza Szilágyi, Márta Sóti, Péter Mátyus, and Endre Kasztreiner

*Institute for Drug Research Ltd., H-1325 Budapest, POB 82, Hungary

Abstract

Under suitable thermal or basic conditions pyridazinylhydrazones are transformed to the desmotropic pyridazinylpyrazolinones, the structure of which was proven by alkylation and acylation.