Phosphorus, Sulfur and Silicon and the Related Elements p. 47 - 52 (2017)
Update date:2022-08-05
Topics:
Dotsenko, Victor V.
Bushmarinov, Ivan S.
Goloveshkin, Alexander S.
Chigorina, Elena A.
Frolov, Konstantin A.
Krivokolysko, Sergey G.
The Mannich-type reaction of N-methylmorpholinium 4-aryl-3-cyano-6-oxo-1,4,5,6-tetrahydropyridine-2-thiolates with 3-(1,3-benzodioxol-5-yl)-2-methylpropanal (ocean propanal) and p-toluidine afforded 7-aryl-2-(1,3-benzodioxol-5-ylmethyl)-2-methyl-3-[(4-methylphenyl)amino]-5-oxo-2,3,6,7-tetrahydro-5H-thiazolo[3,2-a]pyridine-8-carbonitriles in modest (25–46%) yields. The structure of the key compound was confirmed by X-ray crystal structure analysis.
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