STEREOSELECTIVE SYNTHESIS OF OCTAHEDRAL COMPLEXES WITH PREDETERMINED HELICAL CHIRALITY

被引：174
作者：
HAYOZ, P
VONZELEWSKY, A
STOECKLIEVANS, H
机构：
[1] UNIV FRIBOURG,INST INORGAN CHEM,CH-1700 FRIBOURG,SWITZERLAND
[2] UNIV NEUCHATEL,INST CHEM,CH-2000 NEUCHATEL,SWITZERLAND
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1993年 / 115卷 / 12期
关键词：
D O I：
10.1021/ja00065a023
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Facile stereoselective synthesis of an enantiomerically pure DELTA-Ru-trisbipyridine type complex is accomplished by using a new chiral and conformationally rigid ligand, which completely predetermines the helical chirality of the metal, yielding exclusively DELTA-configuration in the present case. The ligand, abbreviated chiragen[6] is a bisbipyridine compound, where two pinene substituted bipyridine units are linked through an aliphatic C6-chain. The two remaining coordination sites of the complex are occupied by 4,4'-dimethylbipyridine. The structure of the DELTA-[Ru(chiragen-[6])(4,4'-dimethylbipyridine)](CF3SO3)2 complex has been determined by X-ray crystallography. Metal complexes formed by chiragen ligands have potential applications in enantioselective catalysis and as chiral building blocks for polynuclear species.
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页码：5111 / 5114
页数：4
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