A convenient method for the preparation of strongly Lewis acidic tris-perfluoro-tert-butoxyborane B(OR) (1), (OR = OC(CF)) was developed, and its X-ray structure was determined. 1 was used as a precursor, guided by density functional theory (DFT) calculations and volume-based thermodynamics, for the synthesis of [NEt][NCB(OR)] (3) and [NMe][FB(OR)] (5) and the novel large and weakly coordinating anion salts [Li 15-Crown-5][B(OR)] (2) and [NEt][CN{B(OR)}] (4). The stability of [B(OR)] was compared with that of some related known weakly coordinating anions by appropriate DFT calculations.
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| http://dx.doi.org/10.1021/acs.inorgchem.6b02670 | DOI Listing |
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