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Cubane and step-form structures of dilithium bis(aryloxy)phosphines.

Authors
  • Carmichael, Christopher D
  • Fryzuk, Michael D
Type
Published Article
Journal
Dalton transactions (Cambridge, England : 2003)
Publication Date
Feb 14, 2008
Issue
6
Pages
800–806
Identifiers
DOI: 10.1039/b710506a
PMID: 18239836
Source
Medline
License
Unknown

Abstract

The lithium complexes RP(3,5-tBu2C6H2OLi)2(THF)4, where R = Ph or i Pr, (R[OPO]Li2)2(THF)4, synthesized by reaction of the 2-bromo-4,6-di-tert-butylphenol with BuLi and the appropriate dichlorophosphine, possess solid state structures composed of lithium oxide tetragons arranged in a step-form or face sharing half-cubane arrangements. Incorporation of excess lithium aryloxide results in the formation of complexes that display an extended step-form structure, [Ph[OPO]Li2(ArOLi)]2, or a distorted cubane arrangement of tetragons, [iPr[OPO]Li3Cl(ArOLi)](THF)3.

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