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Issue 9, 2019
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Reversible O–H bond activation by an intramolecular frustrated Lewis pair

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Abstract

The interactions of the O–H bonds in alcohols, water and phenol with dimethylxanthene-derived frustrated Lewis pairs (FLPs) have been probed. Within the constraints of this backbone framework, the preference for adduct formation or O–H bond cleavage to give the corresponding zwitterion is largely determined by pKa considerations. In the case of the PPh2/B(C6F5)2 system and p-tBuC6H4OH, an equilibrium is established between the two isomeric forms which allows the thermodynamic parameters associated with zwitterion formation via O–H bond cleavage to be probed.

Graphical abstract: Reversible O–H bond activation by an intramolecular frustrated Lewis pair

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Publication details

The article was received on 16 Jan 2019, accepted on 06 Feb 2019 and first published on 07 Feb 2019


Article type: Communication
DOI: 10.1039/C9DT00228F
Dalton Trans., 2019,48, 2896-2899
  • Open access: Creative Commons BY license
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    Reversible O–H bond activation by an intramolecular frustrated Lewis pair

    P. Vasko, M. Á. Fuentes, J. Hicks and S. Aldridge, Dalton Trans., 2019, 48, 2896
    DOI: 10.1039/C9DT00228F

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