good to excellent yields. The process comprised the solution-phase synthesis of oligopeptides featuring varied chain length and amino acid sequence as well as the preparation of a small library of azidosteroids bearing the azido group either at the side chain or the steroidal nucleus. An alternative strategy relying on a sequential peptide coupling/CuAAC-based macrocyclization procedure was also developed
                                    铜我催化的
叠氮化物-
炔烃1,3-偶极环加成反应是炔基肽与
叠氮类
固醇的直接缀合方法,从而能够以优异的产率制备新型的三唑连接的肽-类
固醇缀合物。该方法包括溶液相合成具有变化链长和
氨基酸序列的寡肽,以及制备在侧链或甾体核上带有
叠氮基的小
叠氮类
固醇文库。还开发了一种基于顺序肽偶联/基于Cu
AAC的大环化程序的替代策略,以提供具有不同大小和拓扑结构的大环肽-类
固醇共轭物。两种方法均显示出很高的
化学效率和多功能性,