作者:I. V. Dyachenko
DOI:10.1134/s1070363215080083
日期:2015.8
Condensation of acetaldehyde with cyanothioacetamide and 1-(prop-1-en-2-yl)pyrrolidine has afforded 4,6-dimethyl-2-thioxo-1,2-dihydronicotinonitrile. Alkylation of the latter with alpha-haloketones yields substituted 2-alkylsulfanyl-4,6-dimethylnicotinonitriles and thieno[2,3-b]pyridines.