ISSN 0005-2531 (Print) ISSN 2522-1841 (Online)
SYNTHESIS AND TRANSFORMATIONS OF 3-R-1-CARBAMOIL-5-CHLOROMETHYLPYRAZOLES
R.A.Gadzhily, A.G.Aliyev, A.R.Karayeva, Sh.F.Naghiyeva, L.Y.Gadzhiyeva

As a result of the reaction between 3,4-dichloro-2-butene-1-ones and semicarbazide hydrochloride with natrium hydrocarbonate, the hydrazones of ketones are produced. When boiled with the pyridine within surrounding of the dioxan, they are heterocyclized into 3-R-1-carbamoil-5-chloromethylpyrazoles. When the latter is influenced with binary amines and potassium phenolate, produced are 3-R-1-carbamoil-5-dialkylamino- and 3-R-1-carbamoil-5-phenoxymethylpyrazoles.

Keywords : semicarbazones of 3,4–dichloro-2-butene-1-ones, heterocyclization, 1-car­bamoil-5-chlorine­methylpyrazoles, 1-carbamoil-5-dimethylamino(morpholino)methylpyra­zo­­­les, 1-carbamoil-5-phenoxy­me­thyl­pyrazoles
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