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Chemical communications (Cambridge, England)

BF3.OEt2 and TMSOTf: A synergistic combination of Lewis acids.


PMID 17057868

Abstract

The combination of BF3.OEt2 and TMSOTf gives BF2OTf.OEt2, which is a more powerful Lewis acid than its components and especially effective in CH3CN solvent; the complex formed has been characterised by 1H, 19F, 11B and 31P (using Et3PO as an additive) NMR spectroscopy.

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225649
Trimethylsilyl trifluoromethanesulfonate, 99%
C4H9F3O3SSi