ethyl 2-({2-methyl-4-[2-(2-pyridinyl)ethoxy]phenyl}amino)-4-oxo-4,5-dihydrofuran-3-carboxylate 、
7-氮杂吲哚-3-甲醛 、
L-脯氨酸 以
乙醇 为溶剂,
反应 72.0h,
以to afford the titled compound as solid (0.015 g, y. 8%)的产率得到ethyl 2-[2-methyl-4-(2-pyridin-2-ylethoxy)anilino]-4-oxo-5-(1H-pyrrolo[2,3-b]pyridin-3-ylmethylidene)furan-3-carboxylate