Recommanded Product: Benzyl ether. I found the field of Chemistry; Science & Technology – Other Topics; Materials Science; Physics very interesting. Saw the article Hafnium-Doped Mesoporous Silica as Efficient Lewis Acidic Catalyst for Friedel-Crafts Alkylation Reactions published in 2019, Reprint Addresses Huang, YB; Wang, F (corresponding author), Nanjing Forestry Univ, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat F, Nanjing 210037, Jiangsu, Peoples R China.; Huang, YB (corresponding author), Nanjing Forestry Univ, Coll Chem Engn, Nanjing 210037, Jiangsu, Peoples R China.; Huang, YB (corresponding author), Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94706 USA.. The CAS is 103-50-4. Through research, I have a further understanding and discovery of Benzyl ether.
The development of an efficient solid catalyst for Friedel-Crafts (FC) reactions is of great importance to organic synthetic chemistry. Herein, we reported the hafnium-doped mesoporous silica catalyst Hf/SBA-15 and its first use for Friedel-Crafts alkylation reactions. Catalysts with different Si/Hf ratios were prepared and characterized, among which Hf/SBA-15(20) (Si/Hf = 20:1) was the most active catalyst, offering up to 99.1% benzylated product under mild reaction conditions. The influences of reaction conditions on the product were systematically investigated and compared. Pyridine-IR characterization of the catalyst showed that Lewis acid formed the primary active sites for the Friedel-Crafts alkylation reaction. X-ray photoelectron spectroscopy (XPS) characterization revealed that the electron shift from the Hf center to the silica framework resulted in a more active Lewis metal center for FC reactions. Moreover, the catalyst was successfully applied to the alkylation reaction with different alcohols and aromatic compounds. Finally, the Hf/SBA-15(20) catalyst also showed good recyclability in the recycling runs, demonstrating its high potential of being used for large scale FC reactions in the industry.
Recommanded Product: Benzyl ether. Welcome to talk about 103-50-4, If you have any questions, you can contact Huang, YB; Luo, YJ; Wang, F or send Email.
Reference:
Ether – Wikipedia,
,Ether | (C2H5)2O – PubChem