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Consecutive N2 loss from a uranium diphosphazide complex

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Abstract

A new ‘diphosphazidosalen’ ligand was synthesized and successfully transferred to uranium using salt metathesis strategies. The resultant 8-coordinate uranium(IV) diphosphazide complex [κ6-1,2-{(N3)PPh2(2-O-C6H4)}2C6H4]UCl2 (1) is unstable to consecutive N2 loss, affording the asymmetric species [κ5-1-{(N3)PPh2(2-O-C6H4)}-2-{N=PPh2(2-O-C6H4)}C6H4)]UCl2 (2), defined by a phosphazide-phosphinimine mixed-ligand framework, and ultimately, the uranium(IV) phosphasalen complex [κ4-1,2-{N=PPh2(2-O-C6H4)}2C6H4]UCl2(THF) (3).

Graphical abstract: Consecutive N2 loss from a uranium diphosphazide complex

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Article information


Submitted
06 Oct 2019
Accepted
27 Nov 2019
First published
06 Dec 2019

Dalton Trans., 2020, Advance Article
Article type
Communication

Consecutive N2 loss from a uranium diphosphazide complex

T. K. K. Dickie, C. S. MacNeil and P. G. Hayes, Dalton Trans., 2020, Advance Article , DOI: 10.1039/C9DT04517A

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