Ruthenium complex immobilized on supported ionic-liquid-phase (SILP) for alkoxycarbonylation of olefins with CO2
作者： Suo-Jiang Zhang , Bao-Hua Xu , Rui Zhang , Guang-Rong Ding , Li-Jun Han
DOI: 10.1039/D0GC04386A
关键词:
摘要: In this study, the heterogeneously catalyzed alkoxycarbonylation of olefins with CO2 based on a supported ionic-liquid-phase (SILP) strategy is reported for first time. An [Ru]@SILP catalyst was accessed by immobilization ruthenium complex SILP, wherein imidazolium chloride chemically integrated at surface or in channels silica gel support. active Ru site generated through reacting Ru3(CO)12 decorated proper microenvironment. Different IL films, varying functionality side chain cation, were found to strongly affect porosity, sites, and adsorption capacity [Ru]@SILP, thereby considerably influencing its catalytic performance. The optimized [Ru]@SILP-A-2 displayed enhanced performance prominent substrate selectivity compared an independent homogeneous system under identical conditions. These findings provide basis novel design concept achieving both efficient stable catalysts coupling olefins.
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