SUBSTITUTED VARIANTS OF THE CLUSTER TYPE FE-3(CO)(9)(MU(3)-ETA(2)-RC-N)

被引：8

作者：

SUTER, P ^{[1
]}

VAHRENKAMP, H ^{[1
]}

机构：

[1] UNIV FREIBURG,INST ANORGAN & ANALYT CHEM,D-79104 FREIBURG,GERMANY

来源：

CHEMISCHE BERICHTE | 1995年 / 128卷 / 08期

关键词：

TRIIRON CLUSTERS; CAPPING NITRILE LIGANDS; PHOSPHINE SUBSTITUTIONS; STRUCTURE DETERMINATION;

D O I：

10.1002/cber.19951280809

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Various aromatic nitriles were used for the preparation of the nitrile-capped clusters Fe-3(CO)(9)(mu(3)-eta(2)-RC=N) (2) by reaction with Fe-3(CO)(12) under hydrogen. Electron-rich nitriles decrease, electron-poor nitriles increase the thermal stability of clusters 2. With CN-substituted pyridines only traces of clusters 2 could be obtained, CO replacement in Fe-3(CO)(9)(PhCN) (2a) by isonitriles also causes a lowering of the stability. Conversely, more stable products were obtained by substitution reaction with trimethyl phosphite. One PPh(3) and two dppm derivatives were also obtained. The structure of Fe-3(CO)(8)-P(OMe)(3)(mu(3)-eta(2)-PhC=N) (5a) was determined.

引用

页码：793 / 797

页数：5

共 50 条

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[2] REACTIONS OF [FE-3(CO)(12)] WITH ASYMMETRICALLY SUBSTITUTED ALKYNES .1. CHEMICAL RELATIONSHIPS BETWEEN THE [FE-3(CO)(9)(MU(3)-ETA(2)-C(2)RR')] AND THE CARBOXYLATO COMPLEXES [FE-2(CO)(6)(RC(2)R'(COO))] - THE SPLITTING OF A WATER MOLECULE INTO ITS COMPONENTS FAVORED BY TLC MATERIALS
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