Sameera Ranasinghe, Yijie Li, Madison E. Andrews, Manjur O. Akram, Ragene A. Thornton and Caleb D. Martin
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Müller versus Gutmann–Beckett for assessing the Lewis acidity of boranes†
A 19F NMR spectroscopic probe, p-fluorobenzonitrile, is used to evaluate the relative Lewis acidity of boranes. The resulting scale is compared with the Gutmann–Beckett method which uses triethylphosphine oxide as a 31P NMR probe and both are compared to computed fluoride affinities.
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