Dipl.-Chem. Lutz Greb, Dr. Constantin-Gabriel Daniliuc, Dr. Klaus Bergander and Priv.-Doz. Dr. Jan Paradies Functional-Group Tolerance in Frustrated Lewis Pairs: Hydrogenation of Nitroolefins and Acrylates Angewandte Chemie International Edition 52
Weak Lewis acid for high nucleophilicity: Hydridoborate derived from B(2,6-F2C6H3)3 shows significant hydride character. Solid-state and solution structure analysis revealed a dihydrogen-bonded aggregate. The new frustrated Lewis pair was applied in the hydrogenation of nitroolefins and acrylates (see scheme; EWG=electron-withdrawing group). The decreased Lewis acidity provides higher reactivity and functional-group tolerance.
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