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Calixarenes grafted with Bu2P(O)CH2O binding groups at the narrow rim: synthesis, structure and extraction of heterometallic Ru/Zn complexes |
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| Authors: | V. G. Torgov G. A. Kostin T. V. Us T. M. Korda O. V. Klimchuk S. I. Miroshnichenko K. Suwinska A. A. Varnek V. I. Kalchenko |
| Affiliation: | 1. Siberian Department, Institute of Inorganic Chemistry of the Russian Academy of Science, Novosibirsk, Russia, 630090 2. Institute of Organic Chemistry, NAS of Ukraine, Kyiv-94, 66094, Ukraine 3. Institute of Physical Chemistry, Polish Academy of Sciences, 01-224, Warsaw, Poland 5. Faculty of Biology and Environmental Sciences, University of Cardinal Stefan Wyszynski in Warsaw, 01-938, Warsaw, Poland 4. Laboratoire d??Infochimie, University of Strasbourg, 4, Rue B. Pascal, Strasbourg, France |
| Abstract: | Calix[n]arenes (n?=?4, 6) existing in the cone, 1,3-alternate or 1,3,5-alternate conformations and functionalized by two, four or six Bu2P(O)CH2O groups have been synthesized by the alkylation of hydroxycalix[4,6]arenes with tosylate of dibutylhydroxymethylphosphine oxide. Their molecular and crystal structures as well as binding properties towards of heterometallic Ru/Zn complexes were investigated. Due to the ??calixarene effect?? the phosphine oxides are effective extractants for the Ru/Zn complexes. |
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