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

Chemical Communications : Chem Comm
Holger BraunschweigQing Ye

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.

References

Nov 22, 2005·Angewandte Chemie·Holger BraunschweigKatharina Uttinger
May 5, 2007·Accounts of Chemical Research·Rory WatermanT Don Tilley
Aug 10, 2007·Journal of the American Chemical Society·Holger BraunschweigFabian Seeler
May 31, 2008·Journal of the American Chemical Society·Holger BraunschweigHongmei Wu
Apr 15, 2002·Angewandte Chemie·Holger BraunschweigKrzysztof Radacki
Dec 24, 2009·Chemical Reviews·Ibraheem A I MkhalidJohn F Hartwig
Feb 4, 2012·Chemical Communications : Chem Comm·Holger BraunschweigKrzysztof Radacki
Jun 22, 2012·Nature Chemistry·Holger BraunschweigAlexander Damme
Jun 25, 2014·Journal of the American Chemical Society·Holger BraunschweigFlorian Hupp

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Citations

May 17, 2017·Angewandte Chemie·Marco NutzHolger Braunschweig
Jun 14, 2017·Chemistry : a European Journal·Holger BraunschweigSunewang Rixin Wang
Nov 26, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Bret B MachaHolger Braunschweig

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