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Coordination complexes of the tungsten(VI) oxide fluorides WOF4 and WO2F2 with neutral oxygen- and nitrogen-donor ligands

Coordination complexes of the tungsten(VI) oxide fluorides WOF4 and WO2F2 with neutral oxygen- and nitrogen-donor ligands
Coordination complexes of the tungsten(VI) oxide fluorides WOF4 and WO2F2 with neutral oxygen- and nitrogen-donor ligands
[WOF4(MeCN)], prepared from a 1:1 ratio of WF6 and O(SiMe3)2 in MeCN, is a convenient synthon for the preparation of complexes of WOF4 and WO2F2 with neutral N- or O-donor ligands. It reacts with monodentate ligands L (L = OPPh3, OPMe3, dmso, py) in a 1:1 ratio to form [WOF4L], whilst reaction of [WOF4(MeCN)], O(SiMe3)2 and L? (L? = OPPh3, py, pyNO, dmso) in 1:1:2 ratio affords [WO2F2L?2]. The synthesis of [WO2F2(L-L)] (L-L = Ph2P(O)CH2P(O)Ph2 or 1,10-phenanthroline) are also described. Similar complexes with arsines, thio- or seleno-ethers are not formed by these routes. The complexes have been characterised by microanalysis, IR, 1H and 19F{1H} NMR spectroscopy, and X-ray crystal structures are reported for [WOF4(OPPh3)], [WO2F2(OPPh3)2], [WO2F2{Ph2P(O)CH2P(O)Ph2}] and [WO2F2(pyNO)2]
0022-1139
50-57
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037
Zhang, Wenjian
1f80ac5e-d4c2-4720-b19e-be700cd411e7
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037
Zhang, Wenjian
1f80ac5e-d4c2-4720-b19e-be700cd411e7

Levason, William, Reid, Gillian and Zhang, Wenjian (2016) Coordination complexes of the tungsten(VI) oxide fluorides WOF4 and WO2F2 with neutral oxygen- and nitrogen-donor ligands. Journal of Fluorine Chemistry, 184, 50-57. (doi:10.1016/j.jfluchem.2016.02.003).

Record type: Article

Abstract

[WOF4(MeCN)], prepared from a 1:1 ratio of WF6 and O(SiMe3)2 in MeCN, is a convenient synthon for the preparation of complexes of WOF4 and WO2F2 with neutral N- or O-donor ligands. It reacts with monodentate ligands L (L = OPPh3, OPMe3, dmso, py) in a 1:1 ratio to form [WOF4L], whilst reaction of [WOF4(MeCN)], O(SiMe3)2 and L? (L? = OPPh3, py, pyNO, dmso) in 1:1:2 ratio affords [WO2F2L?2]. The synthesis of [WO2F2(L-L)] (L-L = Ph2P(O)CH2P(O)Ph2 or 1,10-phenanthroline) are also described. Similar complexes with arsines, thio- or seleno-ethers are not formed by these routes. The complexes have been characterised by microanalysis, IR, 1H and 19F{1H} NMR spectroscopy, and X-ray crystal structures are reported for [WOF4(OPPh3)], [WO2F2(OPPh3)2], [WO2F2{Ph2P(O)CH2P(O)Ph2}] and [WO2F2(pyNO)2]

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Accepted/In Press date: 13 February 2016
Published date: 22 February 2016
Organisations: Chemistry

Identifiers

Local EPrints ID: 398639
URI: http://eprints.soton.ac.uk/id/eprint/398639
ISSN: 0022-1139
PURE UUID: 70a877a8-3b49-46aa-be3c-fb8f1c4a4d46
ORCID for William Levason: ORCID iD orcid.org/0000-0003-3540-0971
ORCID for Gillian Reid: ORCID iD orcid.org/0000-0001-5349-3468

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Date deposited: 29 Jul 2016 11:40
Last modified: 18 Feb 2021 16:34

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Contributors

Author: William Levason ORCID iD
Author: Gillian Reid ORCID iD
Author: Wenjian Zhang

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