Efficient Solid-Phase Synthesis of Disubstituted 1,3-Dihydro-imidazol-2-ones
作者:Gérard Rossé、Julie Strickler、Marcel Patek
DOI:10.1055/s-2004-831316
日期:——
A bromoacetal linker was used to achieve the synthesis of ureas on a solid support. The resulting ureido acetals were treated with TFA and were converted in an intramolecular cyclization via N-acyliminium ion to disubstituted 1,3-dihydro-imidazol-2-ones.