1-hydroxymethyl-3-(1-methyl-1H-indol-3-yl)-4-(1-methyl-6-nitro-1H-indol-3-yl)-pyrrole-2,5-dione 、 、
二(对硝基苯)碳酸酯 、
N,N-二乙基乙二胺 在
ice 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以to give (2-dimethylamino-ethyl)-carbamic acid 3-(1-methyl-1H-indol-3-yl)-4-(1-methyl-6-nitro-1H-indol-3-yl)-2,5-dioxo-2,5-dihydro-pyrrol-1-ylmethyl ester (124 mg 46%)的产率得到(2-dimethylamino-ethyl)-carbamic acid 3-(1-methyl-1H-indol-3-yl)-4-(1-methyl-6-nitro-1H-indol-3-yl)-2,5-dioxo-2,5-dihydro-pyrrol-1-ylmethyl ester