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Issue 11, 2005
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Tris(pentafluorophenyl)borane: a special boron Lewis acid for special reactions

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Abstract

Tris(pentafluorophenyl)borane is best known for its role as an excellent activator component in homogeneous Ziegler–Natta chemistry. However, the special properties of B(C6F5)3 have made this strong boron Lewis acid an increasingly used catalyst or stoichiometric reagent in organic and organometallic chemistry. This includes catalytic hydrometallation reactions, alkylations and catalyzed aldol-type reactions. B(C6F5)3 catalyzes tautomerizations and can sometimes stabilize less favoured tautomeric forms by adduct formation. It induces some rather unusual reactions of early metal acetylide complexes and can help in stabilizing uncommon coordination geometries of carbon. The growing number of such examples indicates an increasing application potential of the useful Lewis acid B(C6F5)3 aside from its established role in olefin polymerization catalysis.

Graphical abstract: Tris(pentafluorophenyl)borane: a special boron Lewis acid for special reactions

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Publication details

The article was received on 11 Mar 2005, accepted on 05 Apr 2005 and first published on 29 Apr 2005


Article type: Perspective
DOI: 10.1039/B503688G
Citation: Dalton Trans., 2005,0, 1883-1890
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    Tris(pentafluorophenyl)borane: a special boron Lewis acid for special reactions

    G. Erker, Dalton Trans., 2005, 0, 1883
    DOI: 10.1039/B503688G

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