(6S,12S,19R,22S,25S)-22-(4-aminobutyl)-19-benzyl-12-(2-methylpropyl)-33-oxa-4,17-dithia-10,13,20,23,29,34,35,36-octazahexacyclo[29.2.1.12,5.115,18.06,10.025,29]hexatriaconta-1(34),2,5(36),15,18(35),31-hexaene-11,14,21,24,30-pentone 、
15-生物素-氨基-4,7,10,13-二氧杂壬酸N-羟基琥珀酰亚胺 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以48%的产率得到5-[(3aS,4S,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-N-[2-[2-[2-[2-[3-[4-[(6S,12S,19R,22S,25S)-19-benzyl-12-(2-methylpropyl)-11,14,21,24,30-pentaoxo-33-oxa-4,17-dithia-10,13,20,23,29,34,35,36-octazahexacyclo[29.2.1.12,5.115,18.06,10.025,29]hexatriaconta-1(34),2,5(36),15,18(35),31-hexaen-22-yl]butylamino]-3-oxopropoxy]ethoxy]ethoxy]ethoxy]ethyl]pentanamide