ACTION DU REACTIF DE LA WESSON SUR LES HYDRAZONES γ-PHOSPHONATEES: SYNTHESE DE NOUVEAUX DERIVES DE LA Δ⁵-3-THIOXO-1,2,3-DIAZAPHOSPHOLINE

Soufiane Touil Laboratoire de Synthèse Organique. Faculté des Sciences, 1060, Tunis, Tunisie

Mohamed Taieb Ben Dhia Laboratoire de Synthèse Organique. Faculté des Sciences, 1060, Tunis, Tunisie

Hedi Zantour Laboratoire de Synthèse Organique. Faculté des Sciences, 1060, Tunis, Tunisie

Belgacem Baccar Laboratoire de Synthèse Organique. Faculté des Sciences, 1060, Tunis, Tunisie

Abstract

The Lawesson reagent (L.R) reacts with phenylhydrazones of ketones γ-disubstituted phosphonates and phosphine oxide 1 to give 1,2,3-diazaphospholine derivatives 2 and 2′. Two diastereomers were obtained in some cases. The structure of the products 2 and 2′ is confirmed by NMR and IR spectroscopy.

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ACTION DU REACTIF DE LA WESSON SUR LES HYDRAZONES γ-PHOSPHONATEES: SYNTHESE DE NOUVEAUX DERIVES DE LA Δ⁵-3-THIOXO-1,2,3-DIAZAPHOSPHOLINE

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ACTION DU REACTIF DE LA WESSON SUR LES HYDRAZONES γ-PHOSPHONATEES: SYNTHESE DE NOUVEAUX DERIVES DE LA Δ5-3-THIOXO-1,2,3-DIAZAPHOSPHOLINE

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ACTION DU REACTIF DE LA WESSON SUR LES HYDRAZONES γ-PHOSPHONATEES: SYNTHESE DE NOUVEAUX DERIVES DE LA Δ⁵-3-THIOXO-1,2,3-DIAZAPHOSPHOLINE