An application of the Horner-Wadsworth-Emmons reaction carried out on a ruthenium compound as the electrophilic precursor is described for the synthesis of fused donor-acceptor system 1 based on an extended tetrathiafulvalene and a ruthenium complex of dipyridoquinoxaline units.
A facile access to 5,6-bis(2-cyanoethylsulfanyl)-1,10-phenanthroline 1 and its ruthenium(II) bipyridil complex 2, as versatile building blocks for the straightforward synthesis of 5,6-dithio functionalized 1,10-phenanthroline based systems, is described.
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