P. Mamos et al., AMINOLYSIS OF N-TRITYLAMINO ACID BENZOTRIAZOLYL ESTERS WITH CONCENTRATED AQUEOUS AMINES AND ITS APPLICATIONS IN SYNTHESIS, Acta chemica Scandinavica, 52(2), 1998, pp. 227-231
Aminolysis of (S)-N-tritylamino acid benzotriazolyl eaters with concen
trated aqueous amines produces high yields of the corresponding amides
which can be readily detritylated with p-toluensulfonic acid or reduc
ed with lithium aluminium hydride to provide chiral ethane-1;2-diamine
derivatives.