Fe-S complexes containing five-membered heterocycles: novel models for the active site of hydrogenases with unusual low reduction potential

Jiang S; Liu JH; Shi Y; Wang Z; Akermark B; Sun LC

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Fe-S complexes containing five-membered heterocycles: novel models for the active site of hydrogenases with unusual low reduction potential

机译：含五元杂环的Fe-S配合物：具有异常低还原潜力的新型氢化酶活性位点模型

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Three biomimetic 2Fe2S complexes [{(mu-SCH2)(2)NCH2(2-C4H3O)}](Fe-2(CO)(6)) (6a), [{(mu-SCH2)(2) NCH2(2-C4H3S)}](Fe-2(CO)(6)) (6b) and [{(mu-SCH2)(2)NCH2(5-Br-2-C4H2S)}Fe-2(CO)(6)] (6c) were prepared as models for the active site of Fe-only hydrogenase by the convergent process from [(mu-S-2)Fe-2(CO)(6)] and N,N-bis(hydromethyl)-2-furan and thiophene. The structures of these complexes were identified spectroscopically and crystallographically. The electrochemical behavior of the complexes 6a and 6c was unique as they showed catalytic proton reduction with a low reduction potential at -1.13 and -1.09 V vs Fc/Fc(+), respectively, in the presence of HClO4.

机译：三种仿生2Fe2S络合物[{（mu-SCH2）（2）NCH2（2-C4H3O）}]（Fe-2（CO）（6））（6a），[{（mu-SCH2）（2）NCH2（2 -C4H3S）}]（Fe-2（CO）（6））（6b）和[{（mu-SCH2）（2）NCH2（5-Br-2-C4H2S）} Fe-2（CO）（6）通过[[mu-S-2）Fe-2（CO）（6）]和N，N-双（氢甲基）-的聚合过程，制备了[6c]作为仅铁氢化酶活性位点的模型。 2-呋喃和噻吩。这些配合物的结构通过光谱和晶体学鉴定。配合物6a和6c的电化学行为是独特的，因为它们显示出催化质子的还原，在HClO4存在下，分别在相对于Fc / Fc（+）的-1.13和-1.09 V下具有较低的还原电位。

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《Dalton transactions: An international journal of inorganic chemistry》 |2007年第8期|共7页
作者
Jiang S; Liu JH; Shi Y; Wang Z; Akermark B; Sun LC;
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正文语种 eng
中图分类无机化学;
关键词
COUPLED ELECTRON-TRANSFER; ONLY HYDROGENASES; IRON HYDROGENASE; DESULFOVIBRIO-DESULFURICANS; ELECTROCHEMICAL PROPERTIES; PHOTOSYSTEM-II; PROTON; EVOLUTION; OXIDATION; COORDINATION;

机译：耦合电子转移;仅加氢酶;铁加氢酶;脱硫弧菌-脱硫剂;电化学性质;光系统II;质子;演化;氧化;配位;

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1. Fe-S complexes containing five-membered heterocycles: novel models for the active site of hydrogenases with unusual low reduction potential [J] . Jiang S, Liu JH, Shi Y, Dalton transactions: An international journal of inorganic chemistry . 2007,第8期

机译：含五元杂环的Fe-S配合物：具有异常低还原潜力的新型氢化酶活性位点模型
2. Diiron dithiolate complexes containing intra-ligand NH center dot center dot center dot S hydrogen bonds: [FeFe] hydrogenase active site models for the electrochemical proton reduction of HOAc with low overpotential [J] . Yu Z, Wang M, Li P, Dalton transactions: An international journal of inorganic chemistry . 2008,第18期

机译：含配体内部NH中心点中心点中心点中心点S氢键的二硫代二铁二铁配合物：[FeFe]氢化酶活性位点模型用于低过电位的HOAc的电化学质子还原
3. Binuclear iron-sulfur complexes with bidentate phosphine ligands as active site models of Fe-hydrogenase and their catalytic proton reduction [J] . Gao WM, Ekstrom J, Liu JH, Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2007,第6期

机译：具有双齿膦配体的双核铁硫配合物作为Fe-加氢酶的活性位点模型及其催化质子还原
4. Thiolate-Bridged Iron-Nickel Dinuclear Complexes Modeling the Active Site of NiFe Hydrogenases [C] . Yasuhiro Ohki, Zilong Li, Katsuaki Kuge, Symposium on Organometallic Chemistry . 2004

机译：硫醇桥桥铁镍二核复合物，造型nife氢酶的活性位点
5. Synthesis and Characterization of Late Transition Metal Complexes as Models for the Active Site of Hydrogenases [D] . Amarante, Daniel 2011

机译：后期过渡金属配合物的合成和表征作为氢化酶活性位点的模型
6. Isomerization of the hydride complexes HFe2(SR)2(PR3)x(CO)6–x+ (x = 2 3 4) relevant to the active site models for the FeFe-hydrogenases [O] . Bryan E. Barton, Giuseppe Zampella, Aaron K. Justice, -1

机译：的氢化物络合物的异构化HFe2（sR）2（pR3）×（CO）6-x +（X = 234）相关的活性位点的型号为FEFE -hydrogenases
7. Active-Site Models for Iron Hydrogenases: Reduction Chemistry of Dinuclear Iron Complexes [O] . -1

机译：铁氢酶的有源网模型：少清铁复合物的减少化学

Fe-S complexes containing five-membered heterocycles: novel models for the active site of hydrogenases with unusual low reduction potential

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