New tricks for an old ligand: Cyclometallated and didentate co-ordination of 2,2':6',2''-terpyridine to ruthenium(II)

被引：49
作者：
Bardwell, DA [1 ]
Thompson, AMWC [1 ]
Jeffery, JC [1 ]
McCleverty, JA [1 ]
Ward, MD [1 ]
机构：
[1] UNIV BRISTOL,SCH CHEM,BRISTOL BS8 1TS,AVON,ENGLAND
来源：
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1996年 / 06期
关键词：
D O I：
10.1039/dt9960000873
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Monomethylation of 2,2':6',2 ''-terpyridine (terpy) afforded the N-methyl-2,2':6':2 ''-terpyridinium cation, [Hmterpy](+). With one of the terminal pyridine ring nitrogen atoms thus protected;it co-ordinates to ruthenium(II) either as a didentate N,N'-donor giving [Ru(terpy)(Hmterpy-N,N')Cl][PF6](2), or as a cyclometallating terdentate ligand giving [Ru(terpy)(mterpy-N,N',C)][PF6](2), depending upon the reaction conditions. Both complexes have been fully characterised by spectroscopic and electrochemical methods, and the crystal structures of [Ru(terpy)(mterpy-N,N',C)][BF4](2) . 2MeCN and [Ru(terpy)(Hmterpy-N,N')Cl][PF6](2) . 2MeCN determined.
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页码：873 / 878
页数：6
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