Umsetzung von 1-(2-Benzoxazolon-3-yl)-2-propanonen mit Hydrazinhydrat
1979
Reaction of 1-(2-Benzoxazolon-3-yl)-2-propanones with Hydrazinhydrate. The reaction of 1-(2-benzoxazolon-3-yl)-2-propanones 1a–g with hydrazinhydrate is studied. It is shown that according to the reactional conditions are obtained hydrazones 2a–b, azines 4a–b and 6-Methyl-4-(2-hydroxyphenyl)-2,3,4,5-tetrahydro-1,2,4-triazine-3-ones 6a–g. The structure of the products is discussed on the base of i.r. and n.m.r.-spectras.
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