SEARCH Articles Figures Tables Alkyl, amines ureas Amine/urea catalysts Bifunctional Tertiary Amine Thio(ureas) N Monosubstituted ureas from primary amines and silicon tetraisocyan N-Monosubstituted ureas from primary amines and silicon tetraisocyanate Primary amine- urea-mediated Primary amine- urea-mediated reactions Primary amines urea derivatives Urea tertiary amine-functionalized Urea-amine bifunctional catalyst Urea-amine bifunctional catalyst reaction Ureas (s. a. Iminoureas amines Ureas amines and carbon monoxid Ureas from amines Ureas from amines and