1: BOC-glycine; 1-hydroxy-pyrrolidine-2,5-dione With triethylamine in dichloromethane 0.333333 h; 2: H-Lys(Z)-OBzl*HCl With dicyclohexyl-carbodiimide in dichloromethane 72 h;

1: (S)-2-amino-6-benzyloxycarbonylamino-hexanoic acid benzyl ester With benzotriazol-1-ol; dicyclohexyl-carbodiimide in tetrahydrofuran T=0°C; 24 h; 2: BOC-glycine With 4-methyl-morpholine in tetrahydrofuran