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Minato T, Suzuki K, Yamaguchi K, et al. Synthesis and Disassembly/Reassembly of Giant Ring-Shaped Polyoxotungstate Oligomers. Angew Chem Int Ed Engl. 2016;55(33):9630-3doi: 10.1002/anie.201604094.
Minato, T., Suzuki, K., Yamaguchi, K., & Mizuno, N. (2016). Synthesis and Disassembly/Reassembly of Giant Ring-Shaped Polyoxotungstate Oligomers. Angewandte Chemie (International ed. in English), 55(33), 9630-3. https://doi.org/10.1002/anie.201604094
Minato, Takuo, et al. "Synthesis and Disassembly/Reassembly of Giant Ring-Shaped Polyoxotungstate Oligomers." Angewandte Chemie (International ed. in English) vol. 55,33 (2016): 9630-3. doi: https://doi.org/10.1002/anie.201604094
Minato T, Suzuki K, Yamaguchi K, Mizuno N. Synthesis and Disassembly/Reassembly of Giant Ring-Shaped Polyoxotungstate Oligomers. Angew Chem Int Ed Engl. 2016 Aug 08;55(33):9630-3. doi: 10.1002/anie.201604094. Epub 2016 Jul 08. PMID: 27391114.
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Angew Chem Int Ed Engl. 2016 Aug 08;55(33):9630-3. doi: 10.1002/anie.201604094. Epub 2016 Jul 08.

Synthesis and Disassembly/Reassembly of Giant Ring-Shaped Polyoxotungstate Oligomers.

Angewandte Chemie (International ed. in English)

Takuo Minato, Kosuke Suzuki, Kazuya Yamaguchi, Noritaka Mizuno

Affiliations

  1. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan.
  2. Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan. [email protected].

PMID: 27391114 DOI: 10.1002/anie.201604094

Abstract

The disassembly and reassembly of giant molecules are essential processes in controlling the structure and function of biological and artificial systems. In this work, the disassembly and reassembly of a giant ring-shaped polyoxometalate (POM) without isomerization of the monomeric units is reported. The reaction of a hexavacant lacunary POM that is soluble in organic solvents, [P2 W12 O48 ](14-) , with manganese cations gave the giant ring-shaped POM [{γ-P2 W12 O48 Mn4 (C5 H7 O2 )2 (CH3 CO2 )}6 ](42-) . This POM is a hexamer of manganese-substituted {P2 W12 O48 Mn4 } units, and its inner cavity was larger than any of those previously reported for ring-shaped polyoxotungstates. It was disassembled into monomeric units in acetonitrile, and the removal of the capping organic ligands on the manganese cations led to reassembly into a tetrameric ring-shaped POM, [{γ-P2 W12 O48 Mn4 (H2 O)6 }4 (H2 O)4 ](24-) .

© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: disassembly; giant rings; manganese; polyoxometalates; reassembly

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