methyl 1-methyl-3-propyl-5-hydantoincarboxylate 、
benzyl N-[2-(4,7-dioxo-4,7-dihydro-1H-indol-3-yl)ethyl]carbamate 以
甲醇 为溶剂,
反应 16.0h,
以67%的产率得到methyl 4-[3-(2-{[(benzyloxy)carbonyl]amino}ethyl)-4,7-dioxo-4,7-dihydro-1H-indol-5-yl]-3-methyl-2,5-dioxo-1-propylimidazolidine-4-carboxylate