6143-80-2Relevant articles and documents
One-pot synthesis of 2,4,5-triarylimidazoles catalyzed by copper (II) trifluoroacetate under solvent-free conditions
Song, Dailei,Liu, Chunsheng,Zhang, Shaohua,Luo, Genxiang
, p. 145 - 147 (2010)
A simple, efficient and eco-friendly procedure has been developed using copper(II) trifluoroacetate as catalyst for the synthesis of 2,4,5-triarylimidazoles by one-pot condensation of benzil, aldehydes and ammonium acetate under solvent-free conditions. Compared with traditional methods, the present methodology offers several advantages such as excellent yields, and environmentally benign milder reaction conditions. Moreover, the catalyst exhibits reusable activity.
Synthesis and characterization of a new polymeric catalyst and used for the synthesis of imidazole derivatives
Karimi Zarchi, Mohammad Ali,Behboodi, Kazem,Mirjalili, Bibi Fatemeh
, p. 4929 - 4942 (2021/09/06)
Cross-linked poly (4-vinylpyridine) supported TiCl4 abbreviated as [P4-VP]-Ti(IV) as a new polymeric catalyst was easily prepared and characterized by using the X-ray spectroscopy, EDS, mapping, TGA/DTG and FTIR techniques. This catalyst was used for synthesis of imidazole derivatives via one-pot three-component condensation reaction of benzil, ammonium acetate and aldehydes. This protocol offers advantages such as short reaction time, simple reaction work-up with reusability of catalyst. Graphic abstract: [Figure not available: see fulltext.].
TMSOTf-catalyzed synthesis of trisubstituted imidazoles using hexamethyldisilazane as a nitrogen source under neat and microwave irradiation conditions
Asressu, Kesatebrhan Haile,Chan, Chieh-Kai,Wang, Cheng-Chung
, p. 28061 - 28071 (2021/09/15)
In the process of drug discovery and development, an efficient and expedient synthetic method for imidazole-based small molecules from commercially available and cheap starting materials has great significance. Herein, we developed a TMSOTf-catalyzed synthesis of trisubstituted imidazoles through the reaction of 1,2-diketones and aldehydes using hexamethyldisilazane as a nitrogen source under microwave heating and solvent-free conditions. The chemical structures of representative trisubstituted imidazoles were confirmed using X-ray single-crystal diffraction analysis. This synthetic method has several advantages including the involvement of mild Lewis acid, being metal- and additive-free, wide substrate scope with good to excellent yields and short reaction time. Furthermore, we demonstrate the application of the methodology in the synthesis of biologically active imidazole-based drugs.