Syntheses of Cyclic Decapeptides with Four Ornithyl Residues Related to Gramicidin S

Article abstract of DOI:10.1246/bcsj.59.1201

Three cyclic decapeptides with four L-ornithyl residues related to gramicidin S (GS), cyclo(-Orn-Leu-Orn-D-Phe-Pro-)2 (D-L-12), cyclo(-Orn-Leu-Orn-Phe-Pro-)2 (L-L-12), and cyclo(-Orn-Leu-Orn-Phe-D-Pro-)2 (L-D-12), were synthesized to investigate the contr