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This contribution shows how a small change of a remote substituent (COOCH 3 for e.g. OCH 3 ) on Fischer aminocarbene complexes can change totally the LUMO location, and thus electron distribution, extent of π-electron delocalization and, consequently, redox properties of these potential catalysts. During investigation of redox properties of extended series of title compounds, an exceptionally...
Several series of Fischer-type aminocarbene complexes with central Fe, Cr or W atoms and with various carbene substitution were synthesized and electrochemically investigated by dc-polarography and cyclic voltammetry. The shifts and changes of reduction and oxidation potentials were evaluated using the linear free energy relationship (LFER) approach with respect to (a) the type of coordination, (b)...
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