2-trimethylsilylethyl 6-[3-[4-bromo-1-[tert-butyl(dimethyl)silyl]-2,5-dioxopyrrol-3-yl]-5-[tert-butyl(dimethyl)silyl]oxy-1H-indol-2-yl]pyridine-3-carboxylate 以
甲苯 为溶剂,
反应 1.0h,
以49%的产率得到2-Trimethylsilylethyl 4-[tert-butyl(dimethyl)silyl]-18-[tert-butyl(dimethyl)silyl]oxy-3,5-dioxo-4,11,14-triazapentacyclo[11.7.0.02,6.07,12.015,20]icosa-1,6,8,10,12,15(20),16,18-octaene-9-carboxylate