New synthetic routes to a disulfidodinickel(II) complex:: Characterization and reactivity of a Ni2(μ-η2:η2-S2) core

被引：29

作者：

Cho, Jaeheung ^{[1
]}

Van Heuvelen, Katherine M. ^{[2
]}

Yap, Glenn P. A. ^{[1
]}

Brunold, Thomas C. ^{[2
]}

Riordan, Charles G. ^{[1
]}

机构：

[1] Univ Delaware, Dept Chem & Biochem, Newark, DE 19716 USA

[2] Univ Wisconsin, Dept Chem, Madison, WI 53706 USA

来源：

INORGANIC CHEMISTRY | 2008年 / 47卷 / 10期

关键词：

D O I：

10.1021/ic800321x

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Activation of elemental sulfur by the monovalent nickel complex [PhTt(tBu)]Ni(CO) [PhTt(tBu) = phenyl{tris[(tert-butylmethyl)thio]methyl}borate] generates the disulfidodinickel(II) complex 2. This species is alternatively accessible via thermal decomposition of [PhTt(tBu)]Ni(SCPh3). Spectroscopic, magnetic, and X-ray diffraction studies establish that 2 contains a mu-eta(2):eta(2)-S-2 ligand that fosters antiferromagnetic exchange coupling between the Ni-II ions. This observation is in contrast to the lighter congener, oxygen, which strongly favors the bis(mu-oxo)dinickel(III) structure. 2 oxidizes, PPh3 to SPPh3 and reacts with 02, generating several products, one of which has been identified as [(PhTt(tBu))Ni](2)(mu-S) (3).

引用

页码：3931 / 3933

页数：3

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