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SYNTHESIS AND TRANSFORMATIONS OF 3-R-1-CARBAMOIL-5-CHLOROMETHYLPYRAZOLES
Journal: Azerbaijan Chemical Journal (Vol.0, No. 1)Publication Date: 2017-03-30
Authors : R.A.Gadzhily A.G.Aliyev A.R.Karayeva Sh.F.Naghiyeva L.Y.Gadzhiyeva;
Page : 50-53
Keywords : semicarbazones of 3; 4–dichloro-2-butene-1-ones; heterocyclization; 1-car¬bamoil-5-chlorine-methylpyrazoles; 1-carbamoil-5-dimethylamino(morpholino)methylpyra¬zo¬¬¬les; 1-carbamoil-5-phenoxy-me¬thyl¬pyrazoles;
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Abstract
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
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