Нужна следующая статья:
1. Hirechmann R., Strachan R. G . , Schwam H., et. al.
Controlled synthesis of peptides in aqueous medium. III. Use of Leuch's anhydrides in the synthesis of di-peptides. Mechanism and control of side reactions
J. Org. Chem., 1967, 32 (11), pp 3415–3425
- DOI:
http://dx.doi.org/10.1021/jo01286a030