Recyclization of 3-(Thiophen-2-yl)imino-3H-furan-2-ones under the Action of Cyanoacetic Acid Derivatives
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DOI: 10.1134/s1070363220050084
Abstract: The recyclization of 2-{[5-aryl-2-oxofuran-3(2H)-ylidene]amino}thiophene-3-carboxylic acids with cyano-acetic acid derivatives in the presence of t-BuOK afforded potassium 1-cyano-3-{[5-R1-4-R2-3-(ethoxycarbonyl)-thiophen-2-yl]amino}-1-R3-5-oxo-5-arylpenta-1,3-dien-2-olates. read more here.
Keywords: imino furan; thiophen imino; acid derivatives; recyclization thiophen ... See more keywords