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Convenient Preparation of Novel Fused Tri-heterocyclic Compounds.

โœ Scribed by Ying Liu; Xiao-Hong Zhang; Jun Ren; Gui-Yu Jin

Publisher
John Wiley and Sons
Year
2004
Weight
81 KB
Volume
35
Category
Article
ISSN
0931-7597

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## Abstract magnified image 2โ€(1โ€Arylโ€ethylidene)โ€malononitriles **1a**, **1b**, **1c**, **1d** undergo self dimerization in ethanol catalyzed by sodium ethoxide to afford 2โ€[4,6โ€diarylโ€3โ€cyanoโ€6โ€methylโ€5,6โ€dihydropyridinโ€2(1__H__)โ€ylidene]โ€malononitrile derivatives **3a**, **3b**, **3c**, **3d** r