Synthesis of bis(BINOL) substituted 2,2′-bipyridines and their late transition metal complexes

被引：10

作者：

Lützen, A ^{[1
]}

Hapke, M ^{[1
]}

Meyer, S ^{[1
]}

机构：

[1] Carl von Ossietzky Univ Oldenburg, Dept Chem, D-26111 Oldenburg, Germany

来源：

SYNTHESIS-STUTTGART | 2002年 / 15期

关键词：

cross-coupling reactions; palladium; ligands; complexes; supramolecular chemistry;

D O I：

10.1055/s-2002-34948

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Bis(BINOL) substituted 2,2'-bipyridines (1a and 1b) have been prepared via a twofold Sonogashira cross-coupling reaction from 3-iodo-2,2'-di(methoxymethoxy)-1,1'-binaphthyl (4) and 5,5'-diethynyl-2,2'-bipyridine (2), which could be synthesised through a palladium mediated homodimerisation using zinc powder as a reducing agent. 1a and 1b form well defined silver(I), copper(I) or zinc(II) complexes [M1(2)](+) and [Zn1a(2)](2+) thereby orienting the BINOL groups in a fashion potentially useful for molecular recognition of chiral substrates.

引用

页码：2289 / 2295

页数：7

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