An efficient and general method for the synthesis of unsymmetrical tetrasubstituted ureas from carbamoylimidazole is described. The conversion is achieved by the concurrent quarternization of the imidazole nitrogen and activation of amines with AlMe(3).
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1039/c2ob25412c | DOI Listing |
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!