92486-97-0Relevant articles and documents
Ketene-S,N-acetals as Synthetic Intermediates for Heterocycles. New Synthesis of Multisubstituted Pyridine-2-thiones
Takahata, Hiroki,Wang, Eng-Chi,Nakajima, Tomoko,Yamazaki, Takao
, p. 3139 - 3145 (2007/10/02)
Ketene-S,N-acetals reacted with isothiocyanates to give β-aminothiocarbonyl-α-methylthioenamines, which were transformed into enaminonitriles by carbon-carbon bond formation with malononitriles.Treatment of the enaminonitriles with base afforded pyridine-