Gly-Asp(OBzl) 2 dipeptide was synthesized by DCC method,then Boc-Arg(NO 2 )-Gly-Asp(OBzl) 2 was synthesized by the method of mixed anhydrides.

• 采用二环己基碳二亚胺法(DCC)合成了二肽Gly Asp(OBzl) 2 ,然后利用混合酸酐法得到全保护RGD三肽:Boc Arg(NO2 ) Gly Asp(OBzl) 2 三肽;