title: N-2-nitrophenylthio amino acid N-carboxyanhydrides. The solid-phase synthesis of two decapeptides, and their cyclization to [Gly5, Gly10]gramicidin S and antamanid.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003500:Cyclization; D006096:Gramicidin / Q000138:chemical synthesis*; D008722:Methods; D010455:Peptides / Q000032:analysis / Q000138:chemical synthesis*; D010456:Peptides, Cyclic / Q000138:chemical synthesis*
chemical_list: D000596:Amino Acids; D010455:Peptides; D010456:Peptides, Cyclic; D006096:Gramicidin