Improved amination by ethyl n-(4-nitrophenyl)sulphonyloxy carbamate in the presence of inorganic oxides or carbonates

Article abstract of DOI:10.1016/S0040-4020(01)90402-8

Inorganic solid bases give rise to α-elimination reactions of NsONHCO₂Et under easy and mild conditions without catalyst or ultrasounds. For several kinds of substrates, a comparison of yields and reaction times with previous methods is presented.