Abstract
The reaction of ethoxymethylenacetylacetanilide with cyanothioacetamide or cyanoselenoacetamide in the presence of N-methylmorpholine and alkylating agents gave substituted 2-alkylthio- and 2-alkylselenopyridines and thieno[2,3-b]pyridines.
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Yakunin, Y.Y., Dyachenko, V.D. & Litvinov, V.P. Synthesis of Derivatives of 3-Cyano-6-methyl-5-phenylcarbamoylpyridine-2(1H)-thione and 3-Cyano-6-methyl-5-phenyl-carbamoylpyridine-2(1H)-selenone. Chemistry of Heterocyclic Compounds 37, 766–770 (2001). https://doi.org/10.1023/A:1011981716490
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DOI: https://doi.org/10.1023/A:1011981716490