Synthesis and structural characterization of zwitterionic oxorhenium(V) complexes with 2-hydroxypyridine

被引：8
|
作者：
de Souza, EJ
Deflon, VM [1 ]
Fernandes, AGDA
Lemos, SS
Hagenbach, A
Abram, U
机构：
[1] Univ Brasilia, Inst Quim, BR-70919970 Brasilia, DF, Brazil
[2] Free Univ Berlin, Inst Chem, D-14195 Berlin, Germany
来源：
INORGANICA CHIMICA ACTA | 2006年 / 359卷 / 05期
关键词：
rhenium zwitterionic complexes; 2-hydroxypyridine; X-ray crystal structures;
D O I：
10.1016/j.ica.2005.11.029
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
[ReOX3(PPh3)(2)] complexes (X = Cl and Br) react with equivalent amounts of 2-hydroxypyridine (Hhp) under formation of the mono-substituted, zwitterionic complexes mer-[ReOCl3(Hhp)(PPh3)] (1) and mer-[ReOBr3(Hhp)(PPh3)] (2). Crystal structure determinations of 1 center dot CH2Cl2 and 2 revealed the Cl and Br ligands adopt a mer arrangement. The Hhp ligands coordinate neutral and monodentate via their exocyclic oxygen atoms in axial positions, trans to the oxo groups. The distorted octahedral coordination sphere of the rhenium(V) complexes is completed by the phosphorus atom of the remaining PPh3 ligand. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：1513 / 1518
页数：6
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