Synthesis and alkylation of N-methylmorpholinium 5-cyano-4-(3- and 4-hydroxyphenyl)-2-oxo-1,2,3,4-tetrahydropyridine-6-thiolates
The reactions of 3- or 4-hydroxybenzaldehydes with cyanothioacetamide and Meldrum's acid in the presence of N-methylmorpholine afforded N-methylmorpholinium 5-cyano-4-(3- or 4-hydroxyphenyl)-2-oxo-1,2,3,4-tetrahydropyridine-6-thiolates, respectively. The
Krivokolysko,Dyachenko,Litvinov
p. 2308 - 2311
(2007/10/03)
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