Electrochemistry of Ruthenium Metallocenes. 1. Synthesis, NMR, and Anodic Electrochemical Behavior of Vinyl-Substituted Ruthenium Cyclophane Complexes

Autor:	Joachim Strähle, Bernhard Robert Gollas, Bernd Speiser, Jürgen Sieglen
Rok vydání:	1996
Předmět:	Organic Chemistry Inorganic chemistry chemistry.chemical_element Nuclear magnetic resonance spectroscopy Electrochemistry Anode Ruthenium Inorganic Chemistry chemistry.chemical_compound chemistry Electrode Polymer chemistry Acetone Physical and Theoretical Chemistry Cyclophane
Zdroj:	Organometallics. 15:260-271
ISSN:	1520-6041 0276-7333
DOI:	10.1021/om9504314
Popis:	Ruthenium complexes of 4-ethenyl- and 4,12-diethenyl[22]paracyclophane have been synthesized and investigated by NMR spectroscopy as well as electroanalytical techniques. The structure of [(C20H20)Ru(II)(C16H16)](BF4)2·(acetone) was determined by X-ray crystallography. Consistently, the results show that electron density is decreased in those (“disturbed”) vinyl groups bound directly to ruthenium-complexed cyclophane decks. Electrochemical oxidation of the complexes depends on the presence or absence of undisturbed vinyl groups and results in the formation of redox-active films on the electrode.
Databáze:	OpenAIRE
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