The pentafluorophenylxenon(II) cation: [C6F5Xe]+; the first stable system with a xenon–carbon bond
- 1 January 1989
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 10,p. 625-627
- https://doi.org/10.1039/c39890000625
Abstract
Pentafluorophenylxenon(II) pentafluorophenyltrifluoroborate, [C6F5Xe]+[C6F5BF3]–, can be prepared analogously to pentafluorophenylhalogen(III) and (V) fluorides, C6F5HalF2 and C6F5HalF4(with Hal = Br or I), by nucleophilic displacement of fluorine in XeF2 using B(C6F5)3 as an aryl-transfer reagent; the resulting colourless solid with a stable xenon–carbon bond is characterised in solution by 129Xe and 19F n.m.r. and chemically as an electrophilic transfer reagent for pentafluorophenyl groups.Keywords
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