Monatshefte fur Chemie p. 721 - 732 (1993)
Update date:2022-09-26
Topics:
Bogdanowicz-Szwed, K.
Krasodomska, M.
Lipowska, M.
Rys, B.
Skonecka, A.
The tandem Michael addition-cyclization of 2-oxo-cycloalkane carbothioic acid anilides 1-3 to benzylidenemalononitrile 4 yielded spiroannulated pyridines 5-7.Reaction of acrylonitrile with 2 and 3 gave 2,2-disubstituted Michael adducts 14, 15, whereas with 1 led to 2,2,5-tri(2-cyanoethyl)cyclopentanone 11. - Keywords: 2-Oxo-cycloalkane carbothioic acid anilides; 3-Pyridine-spiro-2'-cycloalkanone; α,β-Unsaturated nitriles
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