1: Fmoc-Arg(Pbf)-Wang polystyrene resin With piperidine in N,N-dimethyl-formamide solid phase reaction; 2: fmoc-L-Ser(TBu)-OH With benzotriazol-1-ol; diisopropyl-carbodiimide in N,N-dimethyl-formamide 2 h; solid phase reaction; 3: Fmoc-L-phenylalanine; fmoc-Gln(Trt)-OH; fmoc-L-Arg(Pbf)-OH Further stages;

1: fmoc-L-Arg(Pbf)-OH With N-ethyl-N,N-diisopropylamine in dichloromethane solid phase reaction; 2: With piperidine in N,N-dimethyl-formamide 0.166667 h; solid phase reaction; 3: Fmoc-L-phenylalanine; fmoc-L-Ser(TBu)-OH; fmoc-Gln(Trt)-OH; fmoc-L-Arg(Pbf)-OH Further stages;

1: Fmoc-Arg(Pmc)-Sasrin resin With piperidine in N,N-dimethyl-formamide solid phase reaction; 2: 9-fluorenylmethyloxycarbonyl-D-Ser(t-butyl)-OH With benzotriazol-1-ol; diisopropyl-carbodiimide in N,N-dimethyl-formamide 3: Fmoc-L-phenylalanine; fmoc-Gln(Trt)-OH; Fmoc-Arg(Pmc)-OH Further stages;