A New Method for the Synthesis of 2,3-Aryl-5-arylideneimidazol-4-ones Using N-Trimethylsilylimidazole
Russian Journal of General Chemistry(2023)
Abstract
A new method was developed for the synthesis of 5-arylidene-2,3-disubstituted 4H-imidazol-4-ones by cyclization of N-substituted α,β-dehydroamino acid arylamides with N-trimethylsilylimidazole (TMSIM) in dimethylformamide. The process was carried out by both conventional and microwave heating. Target imidazol-4-one was also synthesized by a one-pot method based on the reaction of unsaturated 5(4H)-oxazolone, arylamine, and TMSIM. The anticholinesterase and antiradical properties of synthesized both arylamides and 4-imidazolones were studied.
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Key words
alpha,beta-dehydroamino acid,arylamides,4H-imidazol-4-ones,N-trimethylsililimidazole,cholinesterase inhibitors,antiradical activity
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