Synthesis, structure and electrochemical property of diphenylacetypene-substituted diiron azadithiolates as active site of Fe-only hydrogenases期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Synthesis, structure and electrochemical property of diphenylacetypene-substituted diiron azadithiolates as active site of Fe-only hydrogenases

Authors:	Gang Si Wen-Guang Wang Jie Ding Xu-Feng Shan Yao-Peng Zhao Chen-Ho Tung Ming Xu

Affiliation:	Laboratory of Organic Optoelectronic Functional Materials and Molecular Engineering, Technical Institute of Physics and Chemistry & Graduate University, The Chinese Academy of Sciences, Beijing 100080, PR China

Abstract:	The model complexes 1-3 of functionalized azadithiolate (ADT)-bridged Fe-only hydrogenases, [Fe₂(Co)₆(μ-ADT)C₆H₄CCR] [R = C₆H₄NO₂-4 (1), C₆H₅ (2), C₆H₄OCH₃-4 (3)] have been synthesized in high yields under mild conditions by using Sonogashira reaction. Spectroscopic study and X-ray crystal structural analysis of 1 demonstrate that the model complexes retain the butterfly structure of 2Fe2S model analogues. The intermolecular C-H?O, C-H?π hydrogen bonding and π-π interactions play important roles in molecular packing of 1. In the presence of HOAc, complex 1 features the catalytic electrochemical proton reduction.

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