1,2-Halosilane vs. 1,2-alkylborane elimination from (boryl)(silyl) complexes of iron: Switching between borylenes and silylenes just by changing the alkyl group

Holger Braunschweig*, Rian D. Dewhurst, Krzysztof Radacki, Benedikt Wennemann, Qing Ye

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

Reaction of different combinations of aryl(dihalo)boranes and trialkylsilyl iron metallates, a route previously used to prepare a terminal iron arylborylene complex, is found to lead to three distinct new reaction outcomes, including unselective decomposition, an inert iron(ii) (boryl)(silyl) complex, and a dinuclear bis(μ-silylene) complex. The latter result is to our knowledge the first example of a 1,2-alkylborane elimination, in contrast to the facile and ubiquitous 1,1-alkylborane elimination observed from (alkyl)(boryl) transition metal complexes, and is also a novel route to bridging silylene complexes.

Original languageEnglish
Pages (from-to)15465-15468
Number of pages4
JournalChemical Communications
Volume51
Issue number84
DOIs
Publication statusPublished - 2015
Externally publishedYes

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