Si10Cu6N4 Cage Hexacoppersilsesquioxanes Containing N Ligands: Synthesis, Structure, and High Catalytic Activity in Peroxide Oxidations

Kulakova, A.N.; Bilyachenko, A.N.; Levitsky, M.M.; Khrustalev, V.N.; Korlyukov, A.A.; Zubavichus, Y.V.; Dorovatovskii, P.V.; Lamaty, F.; Bantreil, X.; Villemejeanne, B.; Jean, M.; Shul’pina, L.S.; Shubina, E.S.; Gutsul, E.I.; Mikhailov, I.A.; Ikonnikov†, N.S.; Tsareva†, U.S.; Georgiy, B.S.

Авторы: Kulakova Alena N., Bilyachenko Alexey N., Levitsky Mikhail M., Khrustalev Victor N., Korlyukov Alexander A., Zubavichus Yan V., Dorovatovskii Pavel V., Lamaty Frédéric, Bantreil Xavier, Villemejeanne Benoît, Jean Martinez⊥, Shul’pina Lidia S., Shubina Elena S., Gutsul Evgeniy I., Mikhailov Igor A., Ikonnikov† Nikolay S., Tsareva† Ul’yana S., Georgiy B.Shul’pin*
Журнал: Inorganic Chemistry
Том: 56
Номер: 24
Год издания: 2017
Издательство: American Chemical Society
Местоположение издательства: United States
Первая страница: 15026
Последняя страница: 15040
DOI: 10.1021/acs.inorgchem.7b02320
Аннотация: The synthesis, composition, and catalytic properties of a new family of hexanuclear Cu(II)-based phenylsilsesquioxanes are described here. Structural studies of 17 synthesized compounds revealed the general principle underlying their molecular topology: viz., a central metal oxide layer consisting of two Cu3 trimers is coordinated by two cyclic [PhSiO1.5]5 siloxanolate ligands to form a skewed sandwich architecture with the composition [(PhSiO1.5)10(CuO)6]2+. In addition to this O ligation by the siloxanolate rings, two opposite copper ions are additionally coordinated by the nitrogen atoms of corresponding N ligand(s), such as 2,2′-bipyridine (compounds 1–9), 1,10-phenanthroline (compounds 10–13), mixed 1,10-phenanthroline/2,2′-bipyridine (compound 14), or bathophenanthroline (compounds 15–17). Finally, the charge balance is maintained by two HO– (compounds 1–7, 10–13, and 15–17), two H3CO– (compound 8), or two CH3COO– (compounds 9 and 14) anions. Complexes 1 and 10 exhibited a high activity in the oxidative amidation oxidation of alcohols. Compounds 1, 10, and 15 are very efficient homogeneous catalysts in the oxidation of alkanes and alcohols with peroxides.
Добавил в систему: Гуцул Евгений Иванович

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Si10Cu6N4 Cage Hexacoppersilsesquioxanes Containing N Ligands: Synthesis, Structure, and High Catalytic Activity in Peroxide Oxidationsстатья

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