(6,7-Dimethoxy-1-methyl-1H-indol-3-yl)-acetyl chloride 、
3-(3-tert-butoxycarbonylmethyl-2-oxo-piperidin-3-yl)-2-diazo-3-oxopropionic acid methyl ester 以
苯 为溶剂,
反应 8.0h,
以1.8 g的产率得到3-{3-tert-butoxycarbonylmethyl-1-[2-(6,7-dimethoxy-1-methyl-1H-indol-3-yl)-acetyl]-2-oxo-piperidin-3-yl}-2-diazo-3-oxo-propionic acid methyl ester