Preparation and redox properties of phosphite derivatives of R2C2Co2(CO)6-n[P(OMe)3]n (R = CF3, MeO2C)

被引：14

作者：

Duffy, NW ^{[1
]}

McAdam, CJ ^{[1
]}

Robinson, BH ^{[1
]}

Simpson, J ^{[1
]}

机构：

[1] Univ Otago, Dept Chem, Dunedin, New Zealand

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1998年 / 565卷 / 1-2期

关键词：

anistropic esr spectrum; phosphite complexes; voltammetry;

D O I：

10.1016/S0022-328X(98)00440-9

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of phosphite complexes R2C2Co2(CO)(6-n)[P(OMe)(3)](n) (R = CF3, MeO2C), n = 1-4, have been prepared and characterised. Cyclic and square-wave voltammetry shows that the kinetic stability of the radical cations increases with substitution and when R=CF3. The radical cation {(CF3)(2)C2Co2(CO)(2)[P(OMe)(3)](4)}PF6 4a(+) has been characterised and its crystal structure compared with that of the neutral parent. Analysis of the anisotropic ESR spectrum of 4a(+) is consistent with an unpaired electron in a SOMO with little d(z)(2) character. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：19 / 28

页数：10

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