Syntheses of nonracemic ortho-mercurated and ortho-ruthenated complexes of 2-[tricarbonyl(η6-phenyl)chromium]pyridine

被引：43

作者：

Djukic, JP

Berger, A

Duquenne, M

Pfeffer, M

de Cian, A

Kyritsakas-Gruber, N

Vachon, J

Lacour, J

机构：

[1] Univ Strasbourg, CNRS, UMR 7513, F-67000 Strasbourg, France

[2] Univ Geneva, Dept Chim Organ, CH-1211 Geneva 4, Switzerland

来源：

ORGANOMETALLICS | 2004年 / 23卷 / 24期

关键词：

D O I：

10.1021/om0494667

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of racemic orthomercurated (eta(6)-arene)tricarbonylchromium complexes with bis [(eta(6) -eymene)ruthenium(II)dichloride] affords the corresponding dinuclear (Cr,Ru) products with moderate yields, which have been satisfactorily characterized by X-ray diffraction analysis. The synthesis of nonracemic orthomercurated (eta(6) -arene)tricarbonylchromium complexes has been attempted starting from enantio-enriched homo- and heteroleptic Pd-(II) bischelated complexes. Both enantiomers of ortho-mercurated 2-[tricarbonyl( eta(6) -phenyl)chromium] pyridine have been synthesized by reaction of a heteroleptic Pd(II) bischelated with HgCl2. The two mercury(II) complexes were also submitted to a transmetalation reaction with bis [(eta(6) -cymene)ruthenium(II)dichloride] and yielded the corresponding nonracemic (Cr, Ru) products, with enantiomeric excesses ranging from 82 to 89% as suggested by H-1 NMR analyses in the presence of BINPHAT anion.

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页码：5757 / 5767

页数：11

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