COMPETING METAL METAL-BONDING IN HETEROMETALLIC COMPLEXES OF GOLD AND MERCURY - SYNTHESIS OF CONTRASTING FE-AU-AU-FE AND FE-HG-FE COMPLEXES

被引：47

作者：

BRAUNSTEIN, P ^{[1
]}

KNORR, M ^{[1
]}

TIRIPICCHIO, A ^{[1
]}

CAMELLINI, MT ^{[1
]}

机构：

[1] UNIV PARMA,IST CHIM GEN & INORGAN,CNR,CTR STUDIO STRUTTURIST DIFFRATTOMETR,I-43100 PARMA,ITALY

来源：

INORGANIC CHEMISTRY | 1992年 / 31卷 / 18期

关键词：

D O I：

10.1021/ic00044a002

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The consequences of the relativistic effects which account for the marked tendency of Au(I) to form gold-gold interactions and greatly influence the structure and reactivity of polymetallic complexes are observed in related bimetallic complexes of Au(I) or Hg(II) with Fe. The complex [AuFe{Si(OMe)3}(CO)3(mu-dppm)]2 (2) is obtained from K[Fe{Si(OMe)3}(CO)3(dppm-P)] (1) and [Bu4N][AuX2] (X = Cl, Br). Complex 2 contains a tetranuclear Fe-Au-Au-Fe chain and two twisted six-membered rings fused along the Au-Au edge. In contrast, the reaction of 1 equiv of 1 with Fe{Si(OMe)3}(CO)3(mu-dppm)HgCl gives the Fe-Hg-Fe chain complex Hg[Fe{Si(OMe)3}(CO)3(dppm-P)]2 (3).

引用

页码：3685 / 3687

页数：3

共 33 条

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