Amino acid bromides: their utilization for difficult couplings in solid-phase peptide synthesis
作者:Minghong Ni、Emiliano Esposito、Bernard Kaptein、Quirinus B. Broxterman、Alma Dal Pozzo
DOI:10.1016/j.tetlet.2005.07.017
日期:2005.9
Use of N-protected-α-amino acid bromides for facile solid-phase synthesis of peptides (SPPS) containing extremely sterically hindered non-proteinogenic amino acids is presented. Amino acid bromides (Aaa-Br), generated in situ, were used for the synthesis of long chain homopeptides containing up to eight successive α-MeVal or Aib residues. SPPS of a heteropeptide containing a very bulky amino acid building