tert-butyl 4-[4-(4-fluorophenyl)-2-methyl-5-pyrimidin-4-yl-1H-imidazol-1-yl]piperidine-1-carboxylate 、 N-methyl-4-(4-phenyl-1-piperidin-4-yl-1H-imidazol-5-yl)pyrimidin-2-amine 生成 4-[4-(4-fluorophenyl)-2-methyl-1-piperidin-4-yl-1H-imidazol-5-yl]pyrimidine