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Issue 37, 2012
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Conversion of D-penicillaminato trinuclear to mononuclear palladium(II) structure by diamine ligands: remarkable enantioselectivity toward racemic 1,2-cyclohexanediamine

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Abstract

The reactions of an S-bridged trinuclear palladium(II) complex, [Pd3(D-pen-N,O,S)3] (D-H2pen = D-penicillamine), with ethylenediamine (en) and racemic (R,R/S,S) 1,2-cyclohexanediamine (chxn) in water gave mononuclear palladium(II) complexes, [Pd(D-pen-N,S)(en)] (1) and [Pd(D-pen-N,S)(chxn)] (2), respectively. Of two diastereomers, [Pd(D-pen-N,S)(R,R-chxn)] (2RR) and [Pd(D-pen-N,S)(S,S-chxn)] (2SSS), possible for 2, 2SSS was exclusively isolated in a high yield.

Graphical abstract: Conversion of d-penicillaminato trinuclear to mononuclear palladium(ii) structure by diamine ligands: remarkable enantioselectivity toward racemic 1,2-cyclohexanediamine

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Publication details

The article was received on 18 May 2012, accepted on 17 Jul 2012 and first published on 20 Jul 2012


Article type: Communication
DOI: 10.1039/C2DT31076G
Citation: Dalton Trans., 2012,41, 11259-11262
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    Conversion of D-penicillaminato trinuclear to mononuclear palladium(II) structure by diamine ligands: remarkable enantioselectivity toward racemic 1,2-cyclohexanediamine

    N. Yoshinari, Y. Nagao, A. Yokoi, A. Igashira-Kamiyama and T. Konno, Dalton Trans., 2012, 41, 11259
    DOI: 10.1039/C2DT31076G

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