Macrocyclic Platinum(II) Complexes with a Bifunctional Diphosphine Ligand

被引：7

作者：

Pascui, Andrea E. ^{[1
]}

van Rees, Karlotta ^{[1
]}

Zant, Dirk W. ^{[1
]}

Broere, Daniel L. J. ^{[1
]}

Siegler, Maxime A. ^{[2
]}

van der Vlugt, Jarl Ivar ^{[1
]}

机构：

[1] Univ Amsterdam, Vant Hoff Inst Mol Sci, Homogeneous Bioinspired & Supramol Catalysis, NL-1098 XH Amsterdam, Netherlands

[2] Johns Hopkins Univ, Dept Chem, Baltimore, MD 21218 USA

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2015年 / 34期

基金：

欧洲研究理事会;

关键词：

N; P ligands; Metallacycles; Platinum; Macrocyclic ligands; Ligand design; CIS-TRANS ISOMERIZATION; C-H ACTIVATION; STRUCTURAL-CHARACTERIZATION; CATALYZED HYDROFORMYLATION; SUPRAMOLECULAR CONTROL; PALLADIUM COMPLEXES; BIDENTATE PHOSPHINE; BOND ACTIVATION; METAL CATALYSIS; REACTIVITY;

D O I：

10.1002/ejic.201501055

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The preparation and coordination chemistry of a ditopic ligand scaffold (1(H2)), containing both a phosphorus-donor (P) and a nitrogen-donor (N) binding pocket, is reported. The ligand was synthesized by reductive amination from 3-(di-phenylphosphino)benzaldehyde and N-(2-aminophenyl)-N-methylbenzene-1,2-diamine. Selective coordination in the P-pocket was achieved for PtII, with careful control over the reaction conditions and precursor materials providing access to either the thermodynamic cis isomer, cis-PtCl2(1(H2)) (2), or the kinetic trans isomer, trans-PtCl2(1(H2)) (3). Both species have been fully characterized both in the solid state and in solution. Thermodynamic parameters for isomerization processes of 2 and 3 have been determined. Halide abstraction from 2 and 3 led to formation of cis-[Pt(CH3CN)(Cl)(1(H2))]BF4 and trans-[Pt(CH3CN)(Cl)(1(H2))]BF4.

引用

页码：5687 / 5693

页数：7

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