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Synthesis, isomerism, and catalytic properties of chelate ruthenium copper bimetallacarborane cluster exo-closo-(Ph3P)Cu(μ-H)Ru[Ph2P(CH2)4PPh2](η5-C2B9H11), in radical polymerization of methyl methacrylate

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Abstract

Chelate exo-nido-ruthenacarboranes exo-5,6,10-[RuCl(Ph2P(CH2)4PPh2)]-5,6,10-(μ-H)3-10-H-7,8-R,R′-nido-7,8-C2B9H6 (R, R′ = H, PhCH2) were synthesized by the direct method using the reaction of Cl2Ru(PPh3)(Ph2P(CH2)4PPh2) with [7,8-R,R′-nido-7,8-C2B9H10][K] in benzene. Unsubstituted exo-nido-ruthenacarborane (R, R′ = H) was used in situ for the synthesis of the dinuclear Ru-Cu exo-closo cluster of the formula exo-closo-(Ph3P)Cu(μ-H)Ru(Ph2P(CH2)4PPh2)(η5-C2B9H11). The isomerism of the complex and the crystal structure were studied by NMR spectroscopy and X-ray diffraction. The catalytic activity of the cluster in the atom transfer radical polymerization of methyl methacrylate was investigated.

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Correspondence to I. T. Chizhevsky or D. F. Grishin.

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Dedicated to Academician of the Russian Academy of Sciences I. L. Eremenko on the occasion of his 60th birthday.

Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1122–1128, June, 2010.

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D’yachikhin, D.I., Grishin, I.D., Dolgushin, F.M. et al. Synthesis, isomerism, and catalytic properties of chelate ruthenium copper bimetallacarborane cluster exo-closo-(Ph3P)Cu(μ-H)Ru[Ph2P(CH2)4PPh2](η5-C2B9H11), in radical polymerization of methyl methacrylate. Russ Chem Bull 59, 1145–1151 (2010). https://doi.org/10.1007/s11172-010-0217-x

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  • DOI: https://doi.org/10.1007/s11172-010-0217-x

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