、
D-prolylglycyl-L-leucine 、
2-(4-dimethylamino-1,8-naphthalimido)ethyl isocyanide 以
2,2,2-三氟乙醇 为溶剂,
以47%的产率得到(1S,4S,9aR,14S,14aR)-N-(2-(6-(dimethylamino)-1,3-dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)ethyl)-1,4-diisobutyl-3,6,9-trioxotetradecahydroazirino[1,2-a]pyrrolo[1,2-d][1,4,7,10]tetraazacyclododecine-14-carboxamide