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Abstract
Four diferrocenyl compounds: FcC(CH3)2Fc (1), Fc(CH3)C(C2H5)Fc (2), Fc(CH3)C(C3H7)Fc (3), and Fc(CH3)C(C6H5)Fc (4) were synthesized and characterized by NMR, FT-IR, MS, and elemental analysis. The molecular structures were determined by using X-ray single crystal diffraction. The electrochemical interactions between two ferrocenyl units in these compounds were investigated by cyclic voltammetry and theoretical calculation. The electron density of bridging carbon was a key factor for the separation of two ferrocenyl units.
Acknowledgments
We are grateful to the Specialized Research Fund for the Doctoral Program of Higher Education of China (20060128001), the Program for New Century Excellent Talents in University (NCET-08-858), and the Natural Science Foundation of the Inner Mongolia (20070128001) and (20080404MS020).