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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Conversion of D-penicillaminato trinuclear to mononuclear palladium(II) structure by diamine ligands: remarkable enantioselectivity toward racemic 1,2-cyclohexanediamine
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Conversion of D-penicillaminato trinuclear to mononuclear palladium(II) structure by diamine ligands: remarkable enantioselectivity toward racemic 1,2-cyclohexanediamine

机译:二胺配体将D-青霉氨基三核转变为单核钯(II)结构:对外消旋1,2-环己二胺的显着对映选择性

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摘要

The reactions of an S-bridged trinuclear palladium(II) complex, [Pd_3(D-pen-N,O,S)_3] (D-H_2pen = D-penicillamine), with ethylenediamine (en) and racemic (R,R/S,S) 1,2-cyclo-hexanediamine (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)] (2_R) and [Pd(D-pen-N,S)(S,S-chxn)] (2_s), possible for 2, 2_s was exclusively isolated in a high yield.
机译:S桥联的三核钯(II)配合物[Pd_3(D-pen-N,O,S)_3](D-H_2pen = D-青霉胺)与乙二胺(en)和外消旋(R,R / S,S)在水中的1,2-环己二胺(chxn)得到单核钯(II)络合物,[Pd(D-pen-N,S)(en)](1)和[Pd(D-pen) -N,S)(chxn)](2)。在两个非对映异构体中,[Pd(D-pen-N,S)(R,R-chxn)](2_R)和[Pd(D-pen-N,S)(S,S-chxn)](2_s),仅以高产量分离出2s可能的2s。

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