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Note | Regular issue | Vol 51, No. 5, 1999, pp.1137-1140
Published online, 1st January, 1970
DOI: 10.3987/COM-99-8530
Michael Reactions of β-Keto Phosphonates with Arylmethylene-malononitriles: The First Synthesis of Densely Functionalized 5-Diethylphosphinyl-2-amino-4H-pyrans

José L. Marco* and Pilar M. Chinchón

*Laboratorio de Radicales Libres, Instituto de Química OrgÁnica General , C. S. I. C., Calle Juan de la Cierva 3, E-28006 Madrid, Spain


A convenient synthesis of densely functionalized derivatives of 5-diethylphosphinyl-2-amino-4H-pyrans (1a-d) is described for the first time.