Organic Au(I) complexes could be highly effective catalysts for the synthesis of diformamides by carbonylation of aliphatic diamines, with selectivity significantly enhanced in the presence of the appropriate amount of oxygen.

★★★★☆ Feng Shi, Youquan Deng, Hongzhou Yang and Tianlong SiMa. Chem. Commun., 2001, 345–346.