Organo-magnesium reagents: the crystal structures of [Mg(anthracene)(THF)3] and [Mg(triphenylmethyl)Br(OEt2)2]

Lutz M. Engelhardt, Stephen Harvey, Colin L. Raston, Allan H. White

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

[Mg(anthracene)(THF)3] (1), (THF = tetrahydrofuran), is monomeric in the solid state; the metal is bound to the C(9) and C(10) centres with r -(MgC) 2.30 Å, and the [anthracene]2- ligand folded along the C(9)-C(10) vector with a mean angle of 28.6°. [Mg(CPh3)Br(OEt2)2] (4) is also monomeric; the metal centre is four-coordinate, bound only to the ipso-carbon of the carbanion, r(MgC) 2.225(1) Å. Reaction of 1 or elemental magnesium with BrCPh3 in THF or addition of THF to 4, yields a red solid of the Grignard reagent containing some paramagnetic species.

Original languageEnglish
Pages (from-to)39-51
Number of pages13
JournalJOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume341
Issue number1-3
DOIs
Publication statusPublished - 1 Mar 1988
Externally publishedYes

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