Phosphorylated enaminones can be obtained by the reaction of enaminone dianions with diphenylphosphinoyl chloride. In most cases, the reaction gave a mixture of monosubstituted and disubstituted compounds. Disubstituted compounds show an interesting NMR spectrum. In fact, the methine proton appears as a broad signal whose chemical shift varies with concentration. The chemistry of the alpha'-derivatives partially parallels that of the corresponding silicon derivatives in reaction with aldehydes.

Dianions of Acyclic b-Enamino Ketones and Electrophiles. 9. Synthesis and Reactivity of Phosphorylated Enaminones,

DALPOZZO R.;DE NINO A.;TAGARELLI, Antonio;
2000

Abstract

Phosphorylated enaminones can be obtained by the reaction of enaminone dianions with diphenylphosphinoyl chloride. In most cases, the reaction gave a mixture of monosubstituted and disubstituted compounds. Disubstituted compounds show an interesting NMR spectrum. In fact, the methine proton appears as a broad signal whose chemical shift varies with concentration. The chemistry of the alpha'-derivatives partially parallels that of the corresponding silicon derivatives in reaction with aldehydes.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11770/140174
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