(6S,7R,9R,14aS,15R)-7-cyano-2,4,10,11,13-pentamethoxy-3,12,16-trimethyl-9-((5-((tetrahydro-2H-pyran-4-yl)oxy)benzofuran-2-carboxamido)methyl)-6,7,9,14,14a,15-hexahydro-5H-6,15-epiminobenzo[4,5]azocino[1,2-b]isoquinolin-1-yl (4-nitrophenyl) carbonate 、
盐酸多巴胺 在
三乙胺 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 0.5h,
以46%的产率得到[(1R,2S,10R,12R,13S)-12-cyano-5,7,8,16,18-pentamethoxy-6,17,21-trimethyl-10-[[[5-(oxan-4-yloxy)-1-benzofuran-2-carbonyl]amino]methyl]-11,21-diazapentacyclo[11.7.1.02,11.04,9.015,20]henicosa-4(9),5,7,15(20),16,18-hexaen-19-yl] N-[2-(3,4-dihydroxyphenyl)ethyl]carbamate