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The first structurally authenticated alkali metal 1,3-diphosphaallyl complex [{ButC(PMes)2}Li(thf)3] (Mes = 2,4,6-Me3C6H2): An alternative synthetic approach to substituted 1,3-diphosphaallyl complexes

Lookup NU author(s): Dr Stephen Liddle, Dr Keith Izod


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Reaction of the phosphavinyl Grignard reagent [Z-MesP=C-(But)MgBr. OEt2]2 (Mes = 2,4,6-Me3C6H2) with MesPCl2 affords the corresponding 1,3-diphosphapropene compound [Z-MesP=C(But)P(X)Mes] (X = Cl, Br); subsequent reaction with two equivalents of elemental lithium in thf affords the title compound [{ButC(PMes)2}Li(thf)3], which contains an asymmetric η1-1,3-diphosphaallyl ligand.

Publication metadata

Author(s): Liddle ST, Izod K

Publication type: Article

Publication status: Published

Journal: Chemical Communications

Year: 2003

Volume: 9

Issue: 6

Pages: 772-773

ISSN (print): 1359-7345

ISSN (electronic): 1364-548X

Publisher: Royal Society of Chemistry


DOI: 10.1039/b300272a

PubMed id: 12703816


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