The heterogenization of homogeneous complexes to combine the advantages of both approaches in catalysis has been attracting researchers and industries over the last decades. The common approaches are based on the grafting of homogeneous catalysts or their encapsulation in small-sized porous matrixes, which often affect the state of the complex and the catalytic performance. Herein, we propose a new approach of heterogenization of homogeneous complexes such as tris(triphenylphosphine)ruthenium dichloride by encapsulation in solid micelles during the synthesis of MCM-41 with subsequent narrowing of the pores by recrystallization. The prepared materials demonstrate stable catalytic performance without leaching of the complex at the activities comparable to the pure complex in the hydrogenation reactions. The key advantage of this technology is that it allows performing catalysis in an aqueous phase at complex insoluble conditions. The solid micelles provide a soluble environment for the complex with high intrinsic activity regardless of the solvent in the reactor.

中文翻译：

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通过包封在固体胶束中实现水相催化复合物的多相化

在过去的几十年里，均质复合物的异质化结合了两种催化方法的优势，一直吸引着研究人员和工业界。常见的方法是基于均相催化剂的接枝或将它们封装在小尺寸多孔基质中，这通常会影响配合物的状态和催化性能。在此，我们提出了一种新的方法，通过在 MCM-41 的合成过程中将三（三苯基膦）二氯化钌包裹在固体胶束中，随后通过重结晶使孔隙变窄，从而使均质复合物（如三（三苯基膦）二氯化钌）异质化。制备的材料在加氢反应中表现出稳定的催化性能，而不会浸出配合物，其活性可与纯配合物相媲美。该技术的关键优势在于它允许在复杂的不溶条件下在水相中进行催化。无论反应器中的溶剂如何，固体胶束都为具有高内在活性的复合物提供了可溶环境。