Mössbauer and Electrochemical Studies of Bridged Biferrocenes and Biferrocenylenes
作者:
Ho‐Hsiang Wei,
Shinn‐Jen Chang,
期刊:
Journal of the Chinese Chemical Society
(WILEY Available online 1984)
卷期:
Volume 31,
issue 1
页码: 9-14
ISSN:0009-4536
年代: 1984
DOI:10.1002/jccs.198400002
出版商: WILEY‐VCH Verlag
关键词: Mössbauer effect;mixed‐valence;ferrocene derivatives
数据来源: WILEY
摘要:
AbstractA series of neutral and oxidized π‐bridged biferrocenes (Fc—x—Fc) and biferrocenylenes (FC(—x—)2Fc) (x= —CH=CH—, —CH3,C=CCH3—) were prepared and their physical properties have been studied by means of Mössbauuer and cyclic voltammetry. The electrode reaction of these bridged ferrocene derivatives appears to involve a consecutive two‐step oxidation process. The results also show that the voltage difference between the first and second oxidaton potentials of the bridged biferrocenes was found to be largely exceeded that founded for the corresponding the bridged biferrocenylenes. The Mössbauer data show that the oxidation of doubly bridged Fc(—x—)2Fc with iodine, DDQ, and TCNQ given the corresponding dioxidized salts only and no stable mixed‐
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