Surprising Substituent Effects on the Self-Assembly of Helicates from Bis(bipyridyl) BINOL Ligands

被引：22

作者：

Bunzen, Jens ^{[1
]}

Hovorka, Rainer ^{[1
]}

Luetzen, Arne ^{[1
]}

机构：

[1] Univ Bonn, Kekule Inst Organ Chem & Biochem, D-53121 Bonn, Germany

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2009年 / 74卷 / 15期

关键词：

CROSS-COUPLING REACTION; COORDINATION-COMPOUNDS; BIOLOGICAL PRINCIPLES; METAL-ION; 2,2'-BIPYRIDINES; COMPLEXES; CHIRALITY; CATALYST; 2-CHLOROPYRIDINES; DERIVATIVES;

D O I：

10.1021/jo900254r

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A number of different bis(bipyridyl) BINOL ligands were prepared using a convergent building block approach, These were studied with regard to their ability to undergo self-assembly to dinuclear helicatcs upon coordination to suitable late-transition-metal ions. Surprisingly, the substituents at the periphery of the ligand structure were found to have a marked influence on the outcome of the self-assembly processes with regard to the helicates composition, the stereoselectivity of the helicate formation, their redox reactivity, and their electronical properties as scrutinized by NMR- and CD-spectroscopic methods as well as ESI-mass spectrometric methods.

引用

页码：5228 / 5236

页数：9

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