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Communication Dans Un Congrès Année : 2020

Phosphasalen ligands: Coordination, reactivity and catalysis

Audrey Auffrant

Résumé

Salen ligands are widely used in numerous domains among which bioinorganic chemistry, catalysis, and material science. Their popularity stems from their convenient synthesis allowing facile structural variations and their ability to coordinate a wide range of metals with different oxidation states. However, among all the skeleton variations proposed, only few concerns the introduction of a heteroatom in place of the carbon in the imine function. In 2010, we became interested in replacing the imine in salen by iminophosphorane (P=N) function to generate the phosphasalen platform, as we termed it. Initial coordination study started with groups 10 metals and allowed us to point divergences compared to salen. Since then, phosphasalen (Psalen) has been proved to be able to coordinate a large variety of metals. In this presentation, we will show the performances of their group 3 and group 4 compIexes as initiator of ring opening polymerization of lactide, discuss the redox non-innocence of their Cu and Ni complexes, and present the reactivity of their Fe and Mn complexes. With these results we will try to underline the impact of the introduction of the phosphorus atom in the ligand skeleton.

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Chimie
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Dates et versions

hal-04547531 , version 1 (15-04-2024)

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  • HAL Id : hal-04547531 , version 1

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Audrey Auffrant. Phosphasalen ligands: Coordination, reactivity and catalysis. European Workshop on Phosphorus Chemistry EWPC17, Feb 2020, Rennes, France. ⟨hal-04547531⟩
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