Ruthenium complex-catalysed synthesis of 1,3-disubstituted 2,3-dihydroimidazol-2-ones from N,N′-disubstituted ureas and vicinal diols

Abstract
Various 1,3-disubstituted 2,3-dihydroimidazol-2-ones are readily prepared by the reaction of N,N′-disubstituted ureas with vicinal-diols in the presence of a catalytic amount of ruthenium complex in fair to good yields.