1416854-28-8Relevant articles and documents
Competitive condensation and tandem cyclization reactions of 2-cyano-3-ferrocenylacrylonitrile with amidines in an aqueous medium
Klimova, Elena I.,Flores-Alamo, Marcos,Stivalet, Jose M. Mendez,Klimova, Tatiana
, p. 2505 - 2514 (2012)
The synthesis of a series of ferrocenyl-substituted 2-aminopyridineand 6-amino-4,5-dihydropyridine-3,5-dicarbonitriles, 4-aminopyrimidine- and 3,4-dihydropyrimidine-5-carbonitriles by reactions of 2-cyano-3- ferrocenylacrylonitrile with amidines in aqueous medium is described. New fused 6-amino-2-ethoxy-4-ferrocenyl-5-ferrocenylmethyl-5-ferrocenyl methyl-4,5- dihydropyridine-3,5-dicarbonitrile was prepared in a tricomponent cyclodimerization from 2-cyano-3-ferrocenylacrylonitrile in presence of ethanol. The structures of the obtained compounds were established by IR, 1H and 13C NMR spectroscopy, mass-spectrometry and X-ray diffraction analysis.