Synthesis of Unsymmetrical Ureas by Sulfur-Assisted Carbonylation with Carbon Monoxide and Oxidation with Molecular Oxygen under Mild Conditions
Takumi Mizuno*, Takeo Nakai, Masatoshi Mihara
*Osaka Municipal Technical Research Institute, 1-6-50,
Morinomiya, Joto-ku, Osaka 536-8553, Japan, Email: tmizuno
omtri.city.osaka.jp
T. Mizuno, T. Nakai, M. Mihara, Synthesis, 2009, 2492-2496.
DOI: 10.1055/s-0029-1216863
Abstract
With ambient pressure of carbon monoxide and oxygen at room temperature, N,N-dialkyl-N′-arylureas were selectively accessible from secondary amines, aromatic amines, and sulfur in very good yields.
see article for more examples
Key Words
unsymmetrical ureas, carbon monoxide, oxygen, sulfur, herbicide
ID: J66-Y2009-2250
