Approaches to wired terpyridine: Bithienyl alkynyl derivatives of 2,2′:6′,2"-terpyridine and their ruthenium(II) complexes

被引：5

作者：

Constable, Edwin C. ^{[1
]}

Figgemeier, Egbert ^{[1
]}

Housecroft, Catherine E. ^{[1
]}

Medlycott, Elaine A. ^{[1
]}

Neuburger, Markus ^{[1
]}

Schaffner, Silvia ^{[1
]}

Reymann, Sebastien ^{[1
]}

机构：

[1] Univ Basel, Dept Chem, CH-4056 Basel, Switzerland

来源：

POLYHEDRON | 2008年 / 27卷 / 18期

基金：

瑞士国家科学基金会;

关键词：

Alkyne; 2,2 ':6 ',2 ''-Terpyridine; Heterocyclic; Coordination; Ruthenium; Thienyl;

D O I：

10.1016/j.poly.2008.09.002

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two approaches to the formation of ruthenium(II) complexes containing ligands with conjugated 2,2':6',2"-terpyridine (tpy), alkynyl and bithienyl units have been investigated. Bromination of 4'-(2 2',bithien-5'-yl)-2,2':6',2"-terpyridine leads to 4'-(5-bromo-2,2'-bithien-5'-yl)-2,2':6',2"-terpyridine (1), the single crystal structure of which has been determined. The complexes [Ru(1)(2)][PF6](2) and [Ru(tpy)(1)][PF6](2) have been prepared and characterized. Sonogashira coupling of the bromo-substituent with (TIPS)C CH did not prove to be an efficient method of preparing the corresponding complexes with pendant alkynyl units. The reaction of 4'-ethynyl-2,2':6',2"-terpyridine with 5-bromo-2,2'-bithiophene under Sonoashira conditions yielded ligand 2, and the heteroleptic ruthenium(II) complex [Ru(2)9 (tpy)][PF6](2) has been prepared and characterized. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：3601 / 3606

页数：6

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