Reducing power of three-coordinate cobalt(I)

被引：47

作者：

Ingleson, MJ ^{[1
]}

Pink, M ^{[1
]}

Caulton, KG ^{[1
]}

机构：

[1] Indiana Univ, Dept Chem, Bloomington, IN 47405 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2006年 / 128卷 / 13期

关键词：

D O I：

10.1021/ja0607279

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Carbon monoxide adds easily to (PNP)Co, PNP = N(SiMe2CH2PtBu2)2, to give (PNP)Co(CO), whose νco value of 1885 cm-1 suggests much back-donation, and thus an easily oxidized Co(I) in (PNP)Co. However, Co(III) is inaccessible from (PNP)Co by oxidation with I2, the products being first (PNP)CoI, then the zwitterion [ItBu2PCH2SiMe2NSiMe2CH2PtBu2]CoI2. The potential two-electron oxidant N2CH(SiMe3) reacts with (PNP)Co to form a 1:1 "adduct", whose crystal structure is most consistent with oxidation of Co(I), but not fully to Co(III). Copyright © 2006 American Chemical Society.

引用

页码：4248 / 4249

页数：2

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