Substituted Acrylonitriles in Heterocyclic Synthesis. The Reaction of α-Substituted β-(2-Furyl)-acrylonitriles with Some Active-Methylene Heterocycles

Abstract

La reaction d'α-cyano-, d'α-benzoyl- et d'α-ethoxycarbonylfuranneacrylonitriles-2 avec des pyrazoline-2ones-5, thiazolidinedione-2,4 et thioxo-4 thiazolidone-2 conduit respectivement aux [furyl-2]-4 pyranno [2,3-c] pyrazolecarbonitriles-5, [furyl-2]-4 pyranno [2,3-d] thiazolecarbonitriles-5 et [furyl-2]-4 thiopyranno [2,3-d] thiazolecarbonitriles-5