A Scandium–Stabilized Diisophosphaethynolate Ligand: [OCPPCO]4–

Grant, Lauren N.; Pinter, Balazs; Manor, Brian C.; Grützmacher, Hansjörg; Mindiola, Daniel J.

doi:10.1002/anie.201710757

Title: A Scandium–Stabilized Diisophosphaethynolate Ligand: [OCPPCO]^4–

Journal Article · Wed Nov 29 00:00:00 EST 2017 · Angewandte Chemie (International Edition)

DOI:https://doi.org/10.1002/anie.201710757· OSTI ID:1843646

^[1]; Pinter, Balazs ^[2]; Manor, Brian C. ^[1]; Grützmacher, Hansjörg ^[3];

^[1]

Univ. of Pennsylvania, Philadelphia, PA (United States)
Vrije Univ. Brussel (Belgium)
ETH Zürich (Switzerland)

Abstract The first example of the OCPPCO ligand, diisophosphaethynolate, is reported via reductive coupling of a Sc−OCP precursor. Upon reduction with KC ₈ , isolation of the dinuclear complex, namely [K(OEt ₂ )] ₂ [(nacnac)Sc(OAr)] ₂ (OCPPCO), is observed, leading to a unique motif [OCPPCO] ⁴⁻ , stabilized by two scandium centers. Detailed NMR spectra of all complexes as well as IR and single crystal X‐ray studies were obtained to fully elucidate the nature of these complexes in solution as well as in the solid state. Theory is combined to probe the electronic structure and orbitals responsible for the bonding interactions in the Sc−OCPPCO−Sc skeleton but also to compare to the linear mode observed in the precursor.

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Research Organization:: Univ. of Pennsylvania, Philadelphia, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences & Biosciences Division; USDOE

Grant/Contract Number:: SC0012486; DEFG02-07ER15893

OSTI ID:: 1843646

Alternate ID(s):: OSTI ID: 1414601

Journal Information:: Angewandte Chemie (International Edition), Vol. 57, Issue 4; ISSN 1433-7851

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 22 works

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References (22)

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Title: A Scandium–Stabilized Diisophosphaethynolate Ligand: [OCPPCO]4–

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Title: A Scandium–Stabilized Diisophosphaethynolate Ligand: [OCPPCO]^4–