The reaction between NaNH2 and B(C6F5)3
affords the amidodiborate anion [H2N{B(C6F5)3}2]-, the
structure of which shows multiple intramolecular
NH···F hydrogen bonding. Reaction with HCl affords
[H(OEt2)2][H2N{B(C6F5)3}2], while treatment of zirconocene dimethyls with [CPh3][H2N{B(C6F5)3}2] gives
highly active alkene polymerization catalysts.
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