Efficient and clean synthesis of N-alkyl carbamates by transcarboxylation and O-alkylation coupled reactions using a DBU-CO2 zwitterionic carbamic complex in aprotic polar media
N-Alkyl carbamates were obtained with good to excellent yields by clean and mild transcarboxylation of several amines with the previously synthesized DBU-CO2 complex and subsequent O-alkylation. Transcarboxylation was found to be selective, as
Pérez, Eduardo R,Da Silva, Michele Odnicki,Costa, Vanessa C,Rodrigues-Filho, Ubirajara P,Franco, Douglas W
p. 4091 - 4093
(2007/10/03)
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