10.1021/om800796z.s006 Jörg Wagler Jörg Wagler Anthony F. Hill Anthony F. Hill Ring Opening of Organosilicon-Substituted Benzoxazolinone: A Convenient Route to Chelating Ureato and Carbamido Ligands American Chemical Society 2008 Benzoxazolinone tridentate ligand source Convenient Route acidic chelating urea heterocycle Carbamido formation carbamide Chelating Ureato benzoxazolinone ring cleavage dimethylpyrazole 2008-12-22 00:00:00 Dataset https://acs.figshare.com/articles/dataset/Ring_Opening_of_Organosilicon_Substituted_Benzoxazolinone_A_Convenient_Route_to_Chelating_Ureato_and_Carbamido_Ligands/2891032 <i>N</i>-Silylated benzoxazolin-2-one reacts with N−H and C−H acidic heterocycles (benzoxazolinone, 3,5-dimethylpyrazole, <i>N</i>-methylimidazole) under benzoxazolinone ring cleavage and formation of <i>ortho</i>-siloxyphenyl-substituted ureas and carbamides, respectively. These products were shown to serve as sources for tridentate (O′NO) and (N′NO) chelating ligands.