A metallotricycle: Synthesis, one-electron reduction, and crystal structure of the thermally robust complex tris-o-xylidenetungsten(VI), [W(CH 2C6H4CH2-o)3]

Michael F. Lappert, Colin L. Raston, Brian W. Skelton, Allan H. White

Research output: Contribution to journalArticlepeer-review

Abstract

Reaction of [WCl4(O)] with excess of the diGrignard reagent o-C6H4(CH2MgC1)2 in tetrahydrofuran (thf) yields [W(CH2C6H4CH2-o) 3] (1), a thermally robust, reversible one-electron-reducible complex, of quasi 3/m symmetry with the o-xylidene ligand planes aligned parallel to the molecular axis and unusually folded, with significant, and possibly stabilising, W-π interactions, as shown by its X-ray structure determination, the mean W-CαH2 and W-C β distances being 2.21 and 2.48 Å respectively.

Original languageEnglish
Pages (from-to)485-486
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Issue number10
DOIs
Publication statusPublished - 1981
Externally publishedYes

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