The intramolecular metalation of a β-silyl methyl group in [U{N(CH2CH2NsiMe2But)3}(CH2Ph) occurs rapidly, despite the conformational demands of the triamidoamine ligand, to produce a highly strained metallacycle (U-C ca. 2.75Å); this complex reacts cleanly with a range of carbon and other acids to give, for example, an alkynyl with a bent (156°)U-C≡C unit.
Structure and reactions of a metallacyclic complex containing a remarkably long uranium-carbon bond
BOARETTO, Rita;
1999
Abstract
The intramolecular metalation of a β-silyl methyl group in [U{N(CH2CH2NsiMe2But)3}(CH2Ph) occurs rapidly, despite the conformational demands of the triamidoamine ligand, to produce a highly strained metallacycle (U-C ca. 2.75Å); this complex reacts cleanly with a range of carbon and other acids to give, for example, an alkynyl with a bent (156°)U-C≡C unit.File in questo prodotto:
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