but-2-ynyl 3-methyl-3-(4-(6-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate 、
but-2-ynyl 3-methyl-3-(4-(5-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate 在
二甲基十二/十四烷基叔胺 作用下,
以
乙醇 、
二氧化碳 为溶剂,
生成 but-2-ynyl 3-methyl-3-(4-(6-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate 、 but-2-ynyl 3-methyl-3-(4-(6-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate 、 but-2-ynyl 3-methyl-3-(4-(5-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate 、 but-2-ynyl 3-methyl-3-(4-(5-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidin-1-yl)pyrrolidine-1-carboxylate