Electropolymerization of [Ru(bpy)(CO)2Cl2] (bpy=2,2′-bipyridine: a revisited trans versus cis(Cl) isomeric influence study |
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| Authors: | Sylvie Chardon-Noblat Philippe Da Costa Alain Deronzier Matti Haukka Tapani A Pakkanen Raymond Ziessel |
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| Institution: | Sylvie Chardon-Noblat*, Philippe Da Costa, Alain Deronzier*, Matti Haukka, Tapani A. Pakkanen,Raymond Ziessel |
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| Abstract: | The mono-bipyridine bis carbonyl complex Ru(bpy)(CO)2Cl2] exists in two stereoisomeric forms having a trans(Cl)/cis(CO) (1) and cis(Cl)/cis(CO) (2) configuration. In previous work we reported that only the trans(Cl)/cis(CO) isomer 1 leads by a two-electron reduction to the formation of Ru(bpy)(CO)2]n polymeric film on an electrode surface. This initial statement was overstated, as both isomers allowed the build up of polymers. A detailed comparison of the electropolymerization of both isomers is reported here, as well as the reduction into dimers of parent stereoisomer Ru(bpy)(CO)2(C(O)OMe)Cl] complexes 3 and 4 obtained as side products during the synthesis of 1 and 2. |
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| Keywords: | Ruthenium complexes Stereochemistry Organometallic dimers and polymers Electrocatalysis |
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