Polarized Complexes Obtained by Regiospecific Substitution of a CN Group in Ru{CCC(CN)C(CN)<sub>2</sub>}(dppe)Cp* (Cp* = η-C<sub>5</sub>Me<sub>5</sub>)
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The complex Ru{CCC(CN)C(CN)2}(dppe)Cp* (1), containing the new tricyanovinylethynyl (3,4,4-tricyanobut-3-en-1-ynyl) ligand, undergoes ready substitution of the 3-cyano group by nucleophiles (Nu) such as H, Me, Pri, Bu, But, mesityl, OMe, OBut, OCH2CHCH2, NHEt, NEt2, and PPh2 to give Ru{CCC(Nu)C(CN)2}(dppe)Cp*. The X-ray diffraction structures of several of the resulting complexes are reported and, for the mesityl and PPh2 products, show that isomerization to the 3,5-dimethylbenzyl and oxidation to the phosphine oxide have respectively occurred.
创建时间：
2012-06-11
