Synthesis, structural characterization and conversion of dinuclear iron-sulfur clusters containing the disulfide ligand: [CpFe(μ-η2:η2-bdt)(cis-μ-η1:η1-S2)FeCp], [CpFe(μ-S(C6H4S2))(cis-μ-η1:η1-S2)FeCp], and [{Cp*Fe(bdt)}2(trans-μ-η1:η1-S2)]

被引：5

作者：

Ji, Xiaoxiao ^{[1
]}

Tong, Peng ^{[1
]}

Yang, Dawei ^{[1
]}

Wang, Baomin ^{[1
]}

Zhao, Jinfeng ^{[1
]}

Li, Yang ^{[1
]}

Qu, Jingping ^{[1
,2
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, 2 Linggong Rd, Dalian 116024, Peoples R China

[2] East China Univ Sci & Technol, Key Lab Adv Mat, Shanghai 200237, Peoples R China

来源：

DALTON TRANSACTIONS | 2017年 / 46卷 / 12期

基金：

中国国家自然科学基金;

关键词：

BRIDGED DIIRON COMPLEXES; CP-ASTERISK; COMPETITIVE CATALYSTS; ELECTRONIC-STRUCTURE; HIGHLY EFFICIENT; NICKEL-IRON; CUBANE-TYPE; NITROGENASE; REACTIVITY; CHEMISTRY;

D O I：

10.1039/c7dt00450h

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The treatment of [Cp*Fe(mu-eta(2):eta(4)-bdt)FeCp*] (1, Cp* =eta(5)-C5Me5, bdt = benzene-1,2-dithiolate) with 1/4 equiv. of elemental sulfur (S-8) gave a dinuclear iron-sulfur cluster [Cp*Fe(mu-eta(2):eta(2)-bdt) (cis-mu-eta(1):eta(1)-S-2)FeCp*] (2), which contains a cis-1,2-disulfide ligand. When complex 2 further interacted with 1/8 equiv. of S-8, another sulfur atom inserted into an Fe-S bond to give a rare product [Cp*Fe(mu-S(C6H4S2))(cis-mu-eta(1):eta(1)-S-2)FeCp*] (3). Unexpectedly, a trans-1,2 disulfide-bridged diiron complex [{Cp*Fe(bdt)}(2)(trans mu-mu-eta(1):eta(1)-S-2)] (4) was isolated from the reaction of complex 1 with 1/2 equiv. of S-8, which represents a structural isomer of [2Fe-2S] ferredoxin- type clusters. In addition, cis-1,2-disulfide-bridged complex 3 can slowly convert into trans-1,2-disulfide-bridged complex 4 and the complex [Cp*Fe(mu-eta(2):eta(2)-S2)(cis-mu-eta(1):eta(1)-S-2)FeCp*] (5) by self-assembly reaction at ambient temperature, which is evidenced by time- dependent H-1 NMR spectroscopy.

引用

页码：3820 / 3824

页数：5

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← 1 2 3 4 5 →

Synthesis, structural characterization and conversion of dinuclear iron-sulfur clusters containing the disulfide ligand: [Cp*Fe(μ-η2:η2-bdt)(cis-μ-η1:η1-S2)FeCp*], [Cp*Fe(μ-S(C6H4S2))(cis-μ-η1:η1-S2)FeCp*], and [{Cp*Fe(bdt)}2(trans-μ-η1:η1-S2)]

Synthesis, structural characterization and conversion of dinuclear iron-sulfur clusters containing the disulfide ligand: [CpFe(μ-η2:η2-bdt)(cis-μ-η1:η1-S2)FeCp], [CpFe(μ-S(C6H4S2))(cis-μ-η1:η1-S2)FeCp], and [{Cp*Fe(bdt)}2(trans-μ-η1:η1-S2)]