Platinum(II) compounds with enantiomerically pure bis(pinene)-fused bipyridine ligands - Diimine-dichloro complexes and their substitution reactions

被引：0

作者：

Kolp, B

Abeln, D

Stoeckli-Evans, H

von Zelewsky, A ^{[1
]}

机构：

[1] Univ Fribourg, Inst Inorgan Chem, CH-1700 Fribourg, Switzerland

[2] Univ Bern, Crystallog Lab, CH-3012 Bern, Switzerland

[3] Univ Neuchatel, Inst Chim, CH-2000 Neuchatel, Switzerland

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2001年 / 05期

关键词：

chirality; platinum; substitution reactions; diastereoselectivity; N ligands;

D O I：

10.1002/1099-0682(200105)2001:53.0.co;2-4

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis of chiral square-planar Pt-II complexes using symmetrical and unsymmetrical bis(pinene)-fused 2,2'-bi-pyridine is described. The neutral diimine dichloro complexes show a strong deviation of the coordination sphere from planarity if the pinene groups are attached at the 5-and 6-positions of the pyridine rings. However, this distortion does not occur in parallel with the chiral configuration at the diimine Ligands. The substitution of the two cis-chloro ligands with diamines to form five-membered chelate rings shows little diastereoselectivity when racemic mixtures of chiral diamines are used. Also, ligands that are prochiral at the Ligating centers show Little selectivity upon coordination.

引用

页码：1207 / 1220

页数：14

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