An article Linear-regioselective hydromethoxycarbonylation of styrene using Ru-clusters/CeO2 catalyst WOS:000531430200007 published article about METAL-SUPPORT INTERACTIONS; ISOMERIZING ALKOXYCARBONYLATION; OXIDATIVE DEHYDROGENATION; RU/CEO2 CATALYSTS; ALCOHOLS; EFFICIENT; CERIA; CO; NANOPARTICLES; CEO2 in [An, Jinghua; Wang, Yehong; Zhang, Zhixin; Zhang, Jian; Wang, Feng] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian Natl Lab Clean Energy, Dalian 116023, Liaoning, Peoples R China; [An, Jinghua] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Gocyla, Martin; Dunin-Borkowski, Rafal E.] Forschungszentrum Julich, Ernst Ruska Ctr Microscopy & Spect Electron, D-52425 Julich, Germany; [Gocyla, Martin; Dunin-Borkowski, Rafal E.] Forschungszentrum Julich, Peter Grunberg Inst, D-52425 Julich, Germany in 2020.0, Cited 45.0. Quality Control of Methyl 3-phenylpropionate. The Name is Methyl 3-phenylpropionate. Through research, I have a further understanding and discovery of 103-25-3
Hydroalkoxycarbonylation of olefins has been considered to be one of the most attractive methods to synthesize esters. Controlling the regioselectivities of linear esters (L) and branched esters (B) is a challenging project for researchers working in this reaction. Although most of the attention has been paid to control the regioselectivity through ligand design in homogeneous catalytic systems, study in the area is still limited. Herein, Ru-clusters/CeO2 is employed as a heterogeneous catalyst for the hydromethoxycarbonylation of styrene without any additives. After optimization of the reaction conditions, the conversion of styrene is > 99% with 83% and 12% regioselectivity of linear and branched ester, respectively. By using different supports (CeO2 (nanoparticle), CeO2-rod, and CeO2-cube), three catalysts including Ru-clusters/CeO2, Ru/CeO2-rod, and Ru/CeO2-cube are prepared and applied in the reaction. Structural characterizations demonstrate that the L/B ratio is related to the Ru size of supported Ru catalysts. Further Raman characterization and NH3-TPD demonstrate that the metal-support interaction and the concentration of oxygen vacancy of the catalyst have a great influence on the Ru size. The mechanism and kinetic analysis for this reaction are also investigated in this work. (C) 2020, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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Patent; SANOFI; US2011/294788; (2011); A1;,
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