[(C5Me5)2U][(mu-Ph)2BPh2] as a four electron reductant

Examination of the reactivity of [(C5Me5)2U][(mu-Ph)2BPh2] as a "blank" for comparison with the four- and eight-electron reductive chemistry of the sterically crowded (C5Me5)3U and [(C5Me5)2U]2(C6H6) complexes revealed that the tetraphenylborate complex surprisingly functions as a four-ele...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2005-10 (37), p.4681-4683
Main Authors: Evans, William J, Kozimor, Stosh A, Ziller, Joseph W
Format: Article
Language:English
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Summary:Examination of the reactivity of [(C5Me5)2U][(mu-Ph)2BPh2] as a "blank" for comparison with the four- and eight-electron reductive chemistry of the sterically crowded (C5Me5)3U and [(C5Me5)2U]2(C6H6) complexes revealed that the tetraphenylborate complex surprisingly functions as a four-electron reductant by combining [BPh4]1- and U(III) reduction; all three complexes cleave the N=N bond in PhN=NPh to form the bis(organoimido) U(VI) complex, (C5Me5)2U(NPh)2, and they also reduce PhC[triple bond]CPh to form (C5Me5)2U(C4Ph4).
ISSN:1359-7345
1364-548X
DOI:10.1039/b508612d