Author:

Keywords:

carbon-dioxide, oxidative carbonylation, n,n'-disubstituted ureas, aromatic-amines, efficient, n-methyl-2-pyrrolidone, diarylureas, solubility, complexes, urethanes, Science & Technology, Physical Sciences, Chemistry, Multidisciplinary, Green & Sustainable Science & Technology, Chemistry, Science & Technology - Other Topics, CARBON-DIOXIDE, OXIDATIVE CARBONYLATION, N,N'-DISUBSTITUTED UREAS, AROMATIC-AMINES, EFFICIENT, N-METHYL-2-PYRROLIDONE, DIARYLUREAS, SOLUBILITY, COMPLEXES, URETHANES, 03 Chemical Sciences, Organic Chemistry, 34 Chemical sciences

Abstract:

Using Cs+ base catalysts and N-methylpyrrolidone as the solvent, both symmetrical and asymmetrical urea derivatives are prepared in good yields directly from CO2 and amines, in the absence of any dehydrating agents.