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The Metaphosphite (PO₂ ^- ) Anion as a Ligand.

ABSTRACT: The utilization of monomeric, lower phosphorous oxides and oxoanions, such as metaphosphite (PO₂ ^- ), which is the heavier homologue of the common nitrite anion but previously only observed in the gas phase and by matrix isolation, requires new synthetic strategies. Herein, a series of rhenium(I-III) complexes with PO₂ ^- as ligand is reported. Synthetic access was enabled by selective oxygenation of a terminal phosphide complex. Spectroscopic and computational examination revealed slightly stronger ?-donor and comparable ?-acceptor properties of PO₂ ^- compared to homologous NO₂ ^- , which is one of the archetypal ligands in coordination chemistry.

SUBMITTER: Abbenseth J

PROVIDER: S-EPMC7756739 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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The Metaphosphite (PO2 - ) Anion as a Ligand.

Abbenseth Josh J Wätjen Florian F Finger Markus M Schneider Sven S

Angewandte Chemie (International ed. in English) 20201025 52

The utilization of monomeric, lower phosphorous oxides and oxoanions, such as metaphosphite (PO2 - ), which is the heavier homologue of the common nitrite anion but previously only observed in the gas phase and by matrix isolation, requires new synthetic strategies. Herein, a series of rhenium(I-III) complexes with PO2 - as ligand is reported. Synthetic access was enabled by selective oxygenation of a terminal phosphide complex. Spectroscopic and compu ...[more]

PMID: 32936501

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