Cu12-Methylsilsesquioxane Cage Decorated with Cu(dppe)2 Moieties for Mild Oxidative Functionalization of Alkanes

We report a high nuclear (Cu14) complex synthesized via the self-assembly of copper-methylsilsesquioxane induced by the complexation with 1,2-bis(diphenylphosphino)ethane (dppe). The structure includes two cationic CuI(dppe)2 moieties and an anionic silsesquioxane cage of an unprecedented CuII12 structural type. The Cu12 cage fragment exhibits a unique (i) combination of Si4-cyclic/Si2-acyclic silsesquioxane ligands and (ii) encapsulation of two different chloride and carbonate species. This complex acts as a promising precatalyst in the mild oxidation and carboxylation of light alkanes to produce alkyl hydroperoxides, alcohols, ketones, or carboxylic acids. The present study widens the family of copper-methylsilsesquioxane clusters with prospective use in oxidation catalysis. © 2024 Elsevier B.V., All rights reserved.

Авторы
Bilyachenko Alexey N. 1, 2 , Khrustalev Victor N. 2, 3 , Arteev Ivan S. 1, 4 , Shul’Pina Lidia S. 1 , Ikonnikov Nickolai S. 1 , Kirillova Marina V. 5 , Shubina Elena S. 1 , Kirillov Alexander M. 5 , Kozlov Yuriy Nikitovich 6, 7 , Lobanov Nikolai N. 2 , Ragimov Karim G. 8 , Sun Di 9
Journal
Inorganic Chemistry
Издательство
American Chemical Society
Номер выпуска
43
Язык
English
Страницы
20404-20414
Статус
Published
Ссылка
Внешняя ссылка
DOI
10.1021/ACS.INORGCHEM.4C02806
Том
63
Год
2024
Организации
  • 1 A.N.Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation
  • 2 RUDN University, Moscow, Russian Federation
  • 3 N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation
  • 4 Higher Chemical College, Mendeleev University of Chemical Technology of Russia, Moscow, Russian Federation
  • 5 Department of Chemical Engineering, Centro de Química Estrutural, Lisbon, Portugal
  • 6 N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russian Federation
  • 7 Plekhanov Russian University of Economics, Moscow, Russian Federation
  • 8 Baku State University, Baku, Azerbaijan
  • 9 Department of Chemistry and Chemical Engineering, Shandong University, Jinan, China
Ключевые слова
Carboxylic acids; Catalysis; Complexation; Ketones; Oxidation; Oxidative stress; Synthesis (chemical); Carbonates species; Cationics; Chloride species; Diphenylphosphino ethane; Methylsilsesquioxane; Oxidative functionalization; Precatalysts; Silsesquioxanes; Structural type; Synthesised; Carboxylation; alcohol; alcohol derivative; alkane; carbonic acid; carboxylic acid; copper; cuprous ion; ethane; hydroperoxide; ketone; tesmilifene; article; cage; complex formation; controlled study; encapsulation
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