Synthesis and Characterisation of Sigma- and Pi-Bonded Metallaphosphacarboranes

被引：1

作者：

McLellan, Ross ^{[1
]}

Bailo, Marta ^{[1
]}

Ellis, David ^{[1
]}

Rosair, Georgina M. ^{[1
]}

Welch, Alan J. ^{[1
]}

机构：

[1] Heriot Watt Univ, Inst Chem Sci, Edinburgh EH14 4AS, Midlothian, Scotland

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2013年 / 639卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

Boron; Phosphacarboranes; Metallaphosphacarboranes; Transition-metal complexes; TRANSITION-METAL-COMPLEXES; CRYSTAL-STRUCTURE; MOLECULAR-STRUCTURES; CHEMISTRY; PHOSPHABORANES; DERIVATIVES; ARSABORANES; MANGANESE; 11-ATOM; BORANES;

D O I：

10.1002/zaac.201300157

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two new metallaphosphacarboranes have been synthesised from [7, 8-nido-CPB9H11]- by deprotonation followed by treatment with a metal fragment. Starting with [HNMe3][7, 8-nido-CPB9H11] deprotonation and reaction with a source of {(indenyl)Co}2+ affords the -bonded cobaltaphosphacarborane 3-(-C9H7)-3,1,2-closo-CoCPB9H10 (1) the first half-sandwich 3,1,2-metallaphosphacarborane. The indenyl ligand conformation in 1 (cisoid between the indenyl bridgehead carbon atoms and cage heteroatoms, with the cage carbon atom lying below the indenyl C-C bond) reveals that the structural trans effect in a phosphacarborane ligand is weakest for carbon and therefore varies in the order B > P > C. Starting with [HNC5H11][7, 8-nido-CPB9H11] deprotonation and reaction with half an equivalent of [Ru(p-cymene)Cl2]2 affords the sigma-bonded ruthenaphosphacarborane 8-{Ru(p-cymene)Cl(C5H11N)}-7, 8-nido-CPB9H11 (2), the first example of a molecule with a phosphacarborane sigma-bonded to a metal to be crystallographically characterised.

引用

页码：1095 / 1100

页数：6

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