Abstract
The reactions of Ru3(CO)12with 4-phenylbut-3-an-2-ine (1a), 3-phenyl-1-p-tolylprop-2-an-1-ine (1b), and 1,3-diferrocenylprop-2-an-1-ine (1c) afforded the Ru2(CO)6(μ-H)(O=C(R1)C(H)=C(R2)) (2) and Ru3(CO)8(O=C(R1)C(H)=C(R2))2(3) complexes. Dissolution of these complexes in CHCl3or CH2Cl2gave rise to the Ru2(CO)4(μ-Cl)2(O=C(R1)C(H)=C(R2)) complexes (4). The thermal transformations of complexes 2and 3in the presence of an excess of the ligand yielded the Ru2O2(CO)4(η3-OC(R1)C(H)(CH2R2)C(R2)C(H)C(R1))2(5) and Ru(CO)2(O=C(R1)C(H)=C(R2))2(6) complexes. Analogous complexes were obtained upon more prolonged heating of the starting reaction mixtures. The structures of complexes 4a, 5a, and 6cwere established by X-ray diffraction analysis and confirmed by spectroscopic data.
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Osintseva, S.V., Dolgushin, F.M., Petrovskii, P.V. et al. Selected properties of bi- and trinuclear complexes prepared by the reactions of Ru3(CO)12 with β-substituted oxadienes. Russian Chemical Bulletin 51, 1754–1764 (2002). https://doi.org/10.1023/A:1021328327677
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DOI: https://doi.org/10.1023/A:1021328327677