Carboxylate versus imidobenzoate bonding for anthranilic acid derivatives.: Crystal structures of [W(η-C5Me5)Cl3(η2-O2CC6H4NH2-2)] and [ReCl(OEt)(PPh3)2 (NC6H4CO2)]

被引：8

作者：

Gibson, VC

Redshaw, C ^{[1
]}

Clegg, W

Elsegood, MRJ

机构：

[1] Univ E Anglia, Sch Chem Sci, Norwich NR4 7TJ, Norfolk, England

[2] Imperial Coll, Dept Chem, London SW7 2AY, England

[3] Univ Newcastle Upon Tyne, Dept Chem, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

[4] Univ Loughborough, Dept Chem, Loughborough LE11 3TU, Leics, England

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2001年 / 4卷 / 02期

关键词：

carboxylate; imidobenzoate; X-ray crystallography; tungsten; rhenium;

D O I：

10.1016/S1387-7003(00)00216-1

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The paramagnetic complex [W(eta -C5Me5)Cl-3 (eta (2)-O2CC6H4NH-2)] (1) has been obtained by reaction of [W(eta -C5Me5)Cl-4] with anthranilic acid [1,2-(NH2)(CO2H)C6H4]; the X-ray crystal structure shows a pseudo-octahedral geometry with a mer arrangement of chlorines and a symmetrically chelating carboxylate group containing a pendant non-coordinated NH2 group. Contrastingly, [ReCl(OEt) (PPh3)(2)(NC6H4CO2)] (2), the product of the reaction between [ReOCl3(PPh3)(2)] and anthranilic acid contains pseudooctahedral rhenium with a chelating imidobenzoate ligand and trans-phosphines which are mutually cir to the bent imido function [Re-N(1)-C(1) = 143.5(3)degrees]. The carboxylate group of the chelating ligand is trans to a chloride with the remaining site (trans to the imido function) occupied by an ethoxide ligand. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：95 / 99

页数：5

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