Thorium(IV) and Uranium(IV) Phosphaazaallenes

Thorium(IV) and Uranium(IV) Phosphaazaallenes

The synthesis of tetravalent thorium and uranium complexes with the phosphaazaallene moiety, [N(tBu)C=P(C6H5)]2−, is described. The reaction of the bis(phosphido) complexes, (C5Me5)2An[P(C6H5)(SiMe3)]2, An = Th, U, with two equivalents of tBuNC produces (C5Me5)2An(CNtBu)[η2-(N,C)-N(tBu)C=P(C6H5)] wi...

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Veröffentlicht in:Inorganics 2019-09, Vol.7 (9), p.105
Hauptverfasser: Rungthanaphatsophon, Pokpong, Fajen, O. Jonathan, Kelley, Steven P., Walensky, Justin R.
Format: Artikel
Sprache:eng
Schlagworte:
actinide
By products
Crystallography
Infrared spectroscopy
Ligands
Nitrogen
NMR
Nuclear magnetic resonance
phosphaazaallene
Phosphides
phosphido
Phosphorus
synthesis
Thorium
Uranium
X-ray crystallography
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Beschreibung
Zusammenfassung:The synthesis of tetravalent thorium and uranium complexes with the phosphaazaallene moiety, [N(tBu)C=P(C6H5)]2−, is described. The reaction of the bis(phosphido) complexes, (C5Me5)2An[P(C6H5)(SiMe3)]2, An = Th, U, with two equivalents of tBuNC produces (C5Me5)2An(CNtBu)[η2-(N,C)-N(tBu)C=P(C6H5)] with concomitant formation of P(SiMe3)2(C6H5) via silyl migration. These complexes are characterized by NMR and IR spectroscopy, as well as structurally determined using X-ray crystallography.
ISSN:2304-6740
2304-6740
DOI:10.3390/inorganics7090105