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- W2046198269 endingPage "9414" @default.
- W2046198269 startingPage "9406" @default.
- W2046198269 abstract "Abstract An axially chiral dihydroborepine with a binaphthyl backbone and a C 6 F 5 substituent at the boron atom was prepared by transmetalation from the corresponding tin precursor. This novel motif was structurally characterized by X‐ray diffraction analysis as its THF and its PhCN Lewis acid/base complex. 1 H NMR measurements at variable temperatures of the former adduct revealed a remarkable dynamic behavior in solution. Several more Lewis pairs with oxygen, nitrogen, carbon, and phosphorus σ‐donors were synthesized and analyzed by multinuclear NMR spectroscopy. The determination of the borane’s Lewis acidity with the Gutmann–Beckett method attests its substantial Lewis acidity [85 % with Et 3 PO as well as 74 % with Ph 3 PO relative to the parent B(C 6 F 5 ) 3 ]. Representative examples of SiH bond activation (carbonyl reduction and dehydrogenative SiO coupling) are included, demonstrating the chemical stability and the synthetic potential of the new chiral boron‐based Lewis acid." @default.
- W2046198269 created "2016-06-24" @default.
- W2046198269 creator A5002792140 @default.
- W2046198269 creator A5039921470 @default.
- W2046198269 creator A5077234233 @default.
- W2046198269 date "2011-07-05" @default.
- W2046198269 modified "2023-10-18" @default.
- W2046198269 title "An Axially Chiral, Electron-Deficient Borane: Synthesis, Coordination Chemistry, Lewis Acidity, and Reactivity" @default.
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