title: Amino acids and peptides. XXV. Phosphorus in organic synthesis. XIV. Application of diphenyl phosphorazidate (DPPA) to the synthesis of the N-terminal hexapeptide of the vasoactive intestinal peptide.
mesh_terms: D001386:Azides; D005768:Gastrointestinal Hormones / Q000138:chemical synthesis*; D009842:Oligopeptides / Q000138:chemical synthesis; D009943:Organophosphorus Compounds; D014660:Vasoactive Intestinal Peptide / Q000138:chemical synthesis*
chemical_list: D001386:Azides; D005768:Gastrointestinal Hormones; D009842:Oligopeptides; D009943:Organophosphorus Compounds; D014660:Vasoactive Intestinal Peptide