2083-68-3, Trimethyloctylammonium bromide is a catalyst-ligand compound, ?involved in a variety of chemical synthesis. Rlated chemical reaction is continuously updated
General procedure: In these experiments, quaternary ammonium bromides with C8-C18alkane chains were used as precursors of theophylline-based ILs (TILs).Octyltrimethylammonium bromide and decyltrimethylammoniumbromide were obtained from Fluka (Ronkonkoma, NY, USA).Dodecyltrimethylammonium bromide, tetradecyltrimethylammoniumbromide, and hexadecyltrimethylammonium bromide were obtainedfrom Acros Organics. Octadecyltrimethylammonium bromide wasobtained from Sigma-Aldrich (St. Louis, MO, USA). All chemicals were ofanalytical grade. The TILs were synthesized as described previously [10].Briefly, 0.05 mol of alkyltrimethylammonium bromide was dissolved inmethanol and stoichiometric amount of potassium hydroxide in methanolwas added. The solution was stirred for 5 min at 25 C and filteredin order to remove precipitated KBr. Next, the stoichiometric amount oftheophylline in substantia was added. The obtained solution was stirredfor 15 min, filtered again and the solvent was evaporated using rotaryevaporator. The product was dissolved in acetone and filtered to removeresidual KBr. Then, the acetone was evaporated and the product wasdried. The purity and concentration of obtained products in water solutionduring the next experiments were determined by UV spectroscopy(G10S UV-Vis, Thermo Fisher Scientific, Madison, WI, USA) using thecalibration curve. The investigated ILs exhibit a characteristic peak at lambda=269 nm. The theophylline-based ILs were designated as C8T-C18T dependingon the number of carbon atoms in the alkyl chain.
2083-68-3, As the paragraph descriping shows that 2083-68-3 is playing an increasingly important role.
Reference£º
Article; Borkowski, Andrzej; Kowalczyk, Pawe?; Czerwonka, Grzegorz; Cie?la, Jolanta; C?apa, Tomasz; Misiewicz, Anna; Szala, Mateusz; Drabik, Marcin; Journal of Molecular Liquids; vol. 246; (2017); p. 282 – 289;,
Metal catalyst and ligand design
Ligand Template Strategies for Catalyst Encapsulation – NCBI