Reactions of Azovinylphosphonates with Nucleophilic Alkenes and Heterocycles: synthesis of Tetrahydropyridazine-3-phosphonate and 2-Substituted-1-hydrazonoethylphosphonate derivatives

Lemos, A.Lopes, Marta2012-04-182012-04-182008Lemos, A.; Lopes, Marta. Reactions of Azovinylphosphonates with Nucleophilic Alkenes and Heterocycles: synthesis of Tetrahydropyridazine-3-phosphonate and 2-Substituted-1-hydrazonoethylphosphonate derivatives. Phosphorus, Sulfur Silicon Relat. Elem. 183, 11, 2882-2890, 2008.AUT: ALE01411;http://hdl.handle.net/10400.1/1048Transient azovinylphosphonates, generated in situ by base induced dehydrohalogenation of the corresponding 2-bromo- and 2-chloro-acetylphosphonate- tertbutoxycarbonyl hydrazones are intercepted by electron rich alkenes and heterocycles in hetero Diels-Alder reactions, producing tetrahydopyridazine-3-phosphonates or open chain α-hydrazono phosphonates.engAzoalkeneCicloadiçãoHydrazonophosphonateAminofosfonatosHeterocyclesPiridazina fosfonatoReactions of Azovinylphosphonates with Nucleophilic Alkenes and Heterocycles: synthesis of Tetrahydropyridazine-3-phosphonate and 2-Substituted-1-hydrazonoethylphosphonate derivativesjournal article2012-04-13