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- W2890843575 abstract "Bioinspired asymmetric catalysts combine transition metals with biooligomers. In these metallated chiral biooligomers, the metal centre dominates the chemical activity, while the biooligomer has the potential to induce selectivity. Recently, we applied amino acid substituted triphenylphosphines as ligands in the Rh(I)-catalyzed asymmetric hydrogenation with selectivity up to 68% e.e.[1] Herein we present the synthesis and characterization of potential alkylation catalysts [Pd(Lig-Gly-OMe)2Cl2] 1 and [Pd(Lig-Phe-OEt)2Cl2] 2 ; Lig- = Ph2P-pC6H4-C(O)-. Both studied complexes 1 and 2 reveal trans square-planar coordination geometry. Their crystal packing is dominated by hydrogen bonding of the amide groups, the H-bonding patterns are however different. In the orthorhombic complex 1, perpendicular orientation of the two amide groups (connected by two-fold rotation symmetry) results in a 3D H-bonding network. In the monoclinic complex 2, the amide groups are almost coplanar (connected by a pseudo-centre of inversion) resulting in a 2D H-bonded array. [1] Z. Kokan and S. I. Kirin, RSC Adv. 2012, in press ; doi: 10.1039/c2ra20598j" @default.
- W2890843575 created "2018-09-27" @default.
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- W2890843575 date "2012-01-01" @default.
- W2890843575 modified "2023-10-02" @default.
- W2890843575 title "Synthesis, Characterization, and Crystal Structures of Palladium(II) Complexes with Amino Acid Substituted Triphenylphosphine Ligands" @default.
- W2890843575 hasPublicationYear "2012" @default.
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