Infoscience

Journal article

Ruthenium-benzocrownether complexes: Synthesis, structures, catalysis and immobilisation in ionic liquids

A facile pathway to [RuCl26-benzocrownether)]2 complexes is described and crystal structures of the complexes [RuCl26-benzo-15-crown-5)]2 and [RuCl26-dibenzo-18-crown-6)]2 are reported. The complexes were derivatised with (1S,2R)-2-amino-1,2-diphenylethanol and evaluated in the enantioselective transfer-hydrogenation of acetophenone. The effect of complexation of different alkaline metals (Na, K, Cs) within the crown on the selectivity and reaction rate was studied. Interaction of a sulfonated phosphine ligand with the crown was probed by NOESY-NNIR and utilisation of the crownether to serve as an anchor for catalyst immobilisation was investigated.

    Reference

    • LCOM-ARTICLE-2006-010

    Record created on 2006-02-13, modified on 2016-08-08

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