ABSTRACT An efficient, environmentally benign, highly facile and convenient synthetic protocol for the selective t-butyl carboxylation of aliphatic, aromatic and heterocyclic amines using Amberlyst RA 21 catalyst; a mild basic solid resin under solvent free conditions is reported. This method explores several advantages such as reusability of the heterogeneous catalyst, cleaner reaction profile, mild and solvent free system, short ...
[Guest, Daniel; Chen, Ming-Tsz; Tizzard, Graham J.; Coles, Simon J.; Turner, Michael Lewis; Navarro, Oscar European Journal of Inorganic Chemistry, 2014 , # 13 p. 2200 - 2203]