Tl2[Aryl2P4]: A Thallium Complexed Diaryltetraphosphabutadienediide and its Two-Electron Oxidation to a Diaryltetraphosphabicyclobutane, Aryl2P4

An analogue with P: Reaction of the “dithallene” (TlAr Dipp 2)2 (1; Ar Dipp 2=C6H3‐2,6‐(C6H2‐2,6‐iPr2)2) with P4 afforded Tl2[P4(Ar Dipp 2)2] (2), a thallium complexed diaryltetraphosphabutadienediide. The negative charge in the anion of 2 is delocalized over the P4 array to afford an average PP bo...

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Published inAngewandte Chemie (International ed.) Vol. 44; no. 47; pp. 7729 - 7733
Main Authors Fox, Alexander R., Wright, Robert J., Rivard, Eric, Power, Philip P.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 02.12.2005
WILEY‐VCH Verlag
Subjects
bond order
multiple bonds
phosphabutadiene
phosphorus
thallium
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Summary:An analogue with P: Reaction of the “dithallene” (TlAr Dipp 2)2 (1; Ar Dipp 2=C6H3‐2,6‐(C6H2‐2,6‐iPr2)2) with P4 afforded Tl2[P4(Ar Dipp 2)2] (2), a thallium complexed diaryltetraphosphabutadienediide. The negative charge in the anion of 2 is delocalized over the P4 array to afford an average PP bond order of approximately 1.33.
Bibliography:The authors thank the National Science Foundation for financial support. E.R. thanks NSERC of Canada for a Postdoctoral Fellowship. We also thank Professor M. M. Olmstead and Dr. J. de Ropp for assistance with crystallographic and NMR spectroscopic studies.
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ArticleID:ANIE200502865
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content type line 23
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200502865