摘要:
The preparation of new NO-Fmoc-protected aza-beta(3)-amino acids (aza-beta(3)-aa) with proteinogenic side chains as well as their N-beta-Fmoc, N-beta-Cbz or N-beta-Boc aza-beta(3)-amino esters (from Pro, Asn, Asp, Glu, Gln) by successive nucleophilic substitutions will be described. (c) 2007 Elsevier Ltd. All rights reserved.