Activation of White Phosphorus by Reduction in the Presence of a Zirconium Diamidodiphosphine Macrocycle: Formation of a Bridging Square-Planar cyclo-P₄ Unit

It's hip to be square: A perfectly planar square of phosphorus atoms is prepared by the reduction of [ZrCl2{PhP(CH2SiMe2NSiMe2CH2)2PPh}] in the presence of P4 (see structure). On the basis of the PP single bond lengths and oxidation state of the Zr centers, this unit is formulated as a [P4]4−...

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Bibliographic Details
Published in:Angewandte Chemie (International ed.) 2009, Vol.48 (1), p.115-117
Main Authors: Seidel, Wolfram W, Summerscales, Owen T, Patrick, Brian O, Fryzuk, Michael D
Format: Article
Language:English
Subjects:
Group 15 elements
phosphorus
reductive bond cleavage
zirconium
Online Access:Get full text
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Summary:It's hip to be square: A perfectly planar square of phosphorus atoms is prepared by the reduction of [ZrCl2{PhP(CH2SiMe2NSiMe2CH2)2PPh}] in the presence of P4 (see structure). On the basis of the PP single bond lengths and oxidation state of the Zr centers, this unit is formulated as a [P4]4− fragment.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200803739