Complexes of phosphine oxides with substituted phenols: hydrogen bond characterization based on shifts of PO stretching bands

Kostin, Mikhail A.; Alkhuder, Omar; Xu, Luhang; Krutin, Danil V.; Asfin, Ruslan E.; Tolstoy, Peter M.

doi:10.1039/d3cp05817d

Phys. Chem. Chem. Phys.

2024

DOI: 10.1039/d3cp05817d

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Complexes of phosphine oxides with substituted phenols: hydrogen bond characterization based on shifts of PO stretching bands

Mikhail A. Kostin,

Omar Alkhuder,

Luhang Xu

et al.

Abstract: In this work IR spectral characteristics of P=O groups are used to evaluate the strength of OHO hydrogen bonds. Three phosphine oxides: triphenylphosphine oxide, tributylphosphine oxide and hexamethylphosphoramide are investigated...

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Cited by 2 publications

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Diverse Catalytic Applications of Phosphine Oxide‐Based Metal Complexes

Vijai Anand,

Perinbanathan,

Singh

et al. 2024

ChemCatChem

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Phosphine oxides are an interesting class of compounds possessing tetracoordinate and pentavalent phosphorus atoms and have been employed in a wide range of applications including reagents in organic synthesis, metal extractants, flame retardants, pharmaceuticals, and bioactivity studies. Among all, the degree of basicity of phosphoryl oxygen driven by the nature of substituents influences the electronic properties of the central metal in a complex toward the diversified catalytic processes. Further, the presence of heteroatoms adjacent to the central phosphorus atom enhances the nucleophilicity of the phosphoryl oxygen atom. In view of this, the present review covers the past two decades of remarkable catalytic versatility of P=O‐based metal complexes and describes the governing factors influencing the structural properties and the resultant coordination behavior. Interestingly, some of the P=O bond distances of metal complexes are either longer or shorter compared to their free ligands, indicating the catalytic activity. These complexes can effectively catalyze a wide range of chemical reactions including polymerizations, C‐C and Si‐C bond activations, oxidation, reduction, hydroformylation, hydrophosphination, hydrogenation and cyclization reactions. Furthermore, this review emphasizes the impact of substituents, solvents, additives, light, and temperature on the catalytic efficiency.

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Diverse Catalytic Applications of Phosphine Oxide‐Based Metal Complexes

Vijai Anand,

Perinbanathan,

Singh

et al. 2024

ChemCatChem

View full text Add to dashboard Cite

show abstract

Twin hydrogen bonds with phosphine oxide: anticooperativity effects caused by competing proton donors

Kostin,

Alkhuder,

Asfin

et al. 2025

Phys. Chem. Chem. Phys.

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Complexes of phosphine oxides with substituted phenols: hydrogen bond characterization based on shifts of PO stretching bands

Abstract: In this work IR spectral characteristics of P=O groups are used to evaluate the strength of OHO hydrogen bonds. Three phosphine oxides: triphenylphosphine oxide, tributylphosphine oxide and hexamethylphosphoramide are investigated...

Cited by 2 publications

References 27 publications

Diverse Catalytic Applications of Phosphine Oxide‐Based Metal Complexes

Diverse Catalytic Applications of Phosphine Oxide‐Based Metal Complexes

Twin hydrogen bonds with phosphine oxide: anticooperativity effects caused by competing proton donors

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