2-甲氧基氯甲酸乙酯 、 (S)-4-((2-(3-chlorophenyl)-2-hydroxyethyl)amino)-3-(4-methyl-6-(4-(piperazin-1-yl)piperidin-1-yl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one 在
N,N-二异丙基乙胺 作用下,
以
甲醇 为溶剂,
以80%的产率得到(S)-2-methoxyethyl 4-(1-(2-(4-(2-(3-chlorophenyl)-2-hydroxyethylamino)-2-oxo-1,2-dihydropyridin-3-yl)-7-methyl-3H-benzo[d]imidazol-5-yl)piperidin-4-yl)piperazine-1-carboxylate