The Reaction of para-Substituted β-Aminocinnamonitriles with Benzonitrile Oxides
β-Aminocinnamonitrile para-substituted by electron-withdrawing groups (5a,b) with benzonitrile oxides (2) give the expected cycloadducts (6) to the C-N triple bond.The p-methyl derivative (5c) behaves similarly, but the yields are smaller.Reactions of (2) with derivatives para-substituted by electron-donating groups (5d,e) give two bis-adducts, the structures of which have been elucidated.
Corsaro, Antonino,Chiacchio, Ugo,Compagnini, Anna,Purrello, Giovanni
p. 1635 - 1640
(2007/10/02)
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