Synthesis,crystal structures,and properties of 5-(het)aryl-3-cyano-1-ethyl-2(1<Emphasis Type="Italic">H</Emphasis>)-pyrazinones |
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| Authors: | E V Verbitskiy M V Berezin P A Slepukhin O N Zabelina G L Rusinov V N Charushin |
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| Institution: | 1.I. Ya. Postovsky Institute of Organic Synthesis,Ural Branch of the Russian Academy of Sciences,Ekaterinburg,Russian Federation |
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| Abstract: | A simple method for the synthesis of 5-(het)aryl-3-cyano-1-ethyl-2(1H)-pyrazinones was proposed. The method is based on the hydrolysis of the corresponding 2,3-dicyanopyrazinium salts. The spectral
properties of pyrazinones were studied and their crystallographic investigation was carried out. The possibility of introduction
of 5-(het)aryl-3-cyano-1-ethyl-2(1H)-pyrazinones into the 2+4] cycloaddition under the microwave activation conditions was shown. |
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