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Identification of novel chiral aluminium containing oxonium cations in the enantioselective hydrogenation of ethyl pyruvate catalyzed using cinchonidine modified Pt-alumina in acetic acid

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Summary

The first identification of aluminium containing oxonium cations having chiral atomic groups is described which may play a role in enantioselective hydrogenation of ethyl pyruvate using Pt-alumina catalyst in AcOH. The structure these cations at m/z = 509 and m/z = 567 is: [O{Al(OAc)2}2Al(OPy.OLt)]+ and [O(AlOAc.OLt)2Al(OPy)2]+

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Authors and Affiliations

  1. Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged

    Imre Bucsi

  2. Organic Catalysis Research Group, Department of Organic Chemistry, Organic Catalysis Research Group of the Hungarian Academy of Sciences, Dóm tér 8, H-6720 Szeged, Hungary. Fax.: (36)62- 544 200,, Szeged

    György Szöllősi

  3. Analytical Laboratory of the Cereal Research Institute, P.O.Box 391, H-6701 Szeged

    Tibor Bartók

  4. Department of Organic Chemistry, I: Department of Organic Chemistry, University of Szeged; II: Organic Catalysis Research Group of the Hungarian Academy of Sciences, I: Dóm tér 8, H-6720 Szeged; II: Dóm tér 8, H-6720 Szeged, Hungary. Fax.: (36)62- 544 200,, H-6820, Szeged

    Mihály Bartók

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  1. Imre Bucsi
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  2. György Szöllősi
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  3. Tibor Bartók
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  4. Mihály Bartók
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Bucsi, I., Szöllősi, G., Bartók, T. et al. Identification of novel chiral aluminium containing oxonium cations in the enantioselective hydrogenation of ethyl pyruvate catalyzed using cinchonidine modified Pt-alumina in acetic acid. React Kinet Catal Lett 85, 361–366 (2005). https://doi.org/10.1007/s11144-005-0282-6

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  • DOI: https://doi.org/10.1007/s11144-005-0282-6

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