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From the same journal

Synthesis, immobilization and catalytic activity of a copper(II) complex with a chiral bis(oxazoline)

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Published copy (DOI)



Publication details

DatePublished - Aug 2014
Issue number8
Number of pages11
Pages (from-to)11988-11998
Original languageEnglish


A chiral bis(oxazoline) bearing CH2OH groups was synthesized from a commercial bis(oxazoline) and characterized by 1H- and 13C-NMR, high resolution ESI-mass spectrometry and FTIR. The corresponding copper(II) complex was immobilized onto the surface of a mesoporous carbonaceous material (Starbon® 700) in which the double bonds had been activated via conventional bromination. The materials were characterized by elemental analysis, ICP-OES, XPS, thermogravimetry and nitrogen adsorption at 77 K. The new copper(II) bis(oxazoline) was tested both in the homogeneous phase and once immobilized onto a carbonaceous support for the kinetic resolution of hydrobenzoin. Both were active, enantioselective and selective in the mono-benzoylation of hydrobenzoin, but better enantioselectivities were obtained in the homogeneous phase. The heterogeneous catalyst could be separated from the reaction media at the end of the reaction and reused in another catalytic cycle, but with loss of product yield and enantioselectivity.

    Research areas

  • Asymmetric catalysis, Bis(oxazoline), Copper(II), Heterogeneous catalysis, Homogeneous catalysis

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