Ivanov DV, Igidov NM, Rubtsov AE. Synthesis of 2-amino-5-(2-aryl-2-oxoethylidene)-4-oxo-1H-4,5-dihydrofuran-3-carboxylic acids derivatives by recyclization of 5-arylfuran-2,3-diones under the action of cyanoacetic acid derivatives.
RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2016. [DOI:
10.1134/s1070428016050109]
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