Synthesis of 2-amino-5-(2-aryl-2-oxoethylidene)-4-oxo-1<Emphasis Type="Italic">H</Emphasis>-4,5-dihydrofuran-3-carboxylic acids derivatives by recyclization of 5-arylfuran-2,3-diones under the action of cyanoacetic acid derivatives |
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Authors: | D V Ivanov N M Igidov A E Rubtsov |
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Abstract: | Recyclization of 5-arylfuran-2,3-diones under the action of ethyl cyanoacetate or of malonic acid dinitrile resulting in the corresponding esters or nitriles of 2-amino-5-(2-aryl-2-oxoethylidene)-4-oxo-1Н-4,5-dihydrofuran-3-carboxylic acids was investigated. |
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