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Boron trifluoride etherate

Boron Trifluoride Diethyl Etherate | NFPA-H = 3 | NFPA-F = 2 | NFPA-R = 2 | NFPA-S = W Boron trifluoride etherate, strictly boron trifluoride diethyl etherate, or boron trifluoride–ether complex, is the chemical compound with the formula BF3O(C2H5)2, often abbreviated BF3OEt2. It is a colorless liquid, although older samples can appear brown. The compound is used as a source of boron trifluoride in many chemical reactions that require a Lewis acid. The compound features tetrahedral boron coordinated to a diethylether ligand. Many analogues are known, including the methanol complex.

Reactions

Boron trifluoride etherate serves as a source of boron trifluoride according to the equilibrium: :BF3OEt2 BF3 + OEt2 The BF3 binds to even weak Lewis bases, inducing reactions of the resulting adducts with nucleophiles.

References

References

  1. (2007). "Boron Trifluoride Etherate". John Wiley & Sons.
  2. V. V. Saraev. (2008). "Synthesis, Molecular Structure, and EPR Analysis of the Three-Coordinate Ni(I) Complex [Ni(PPh3)3][BF4]". J. Phys. Chem. A.
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fluorides boron-halides acid-catalysts oxonium-compounds ethyl-compounds
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