5-bromo-2-(4-nitro-1H-pyrazol-3-yl)-pyridine 、
N-甲基哌嗪 在
甲醇 作用下,
以to give 1-methyl-4-[6-(4-nitro-1H-pyrazol-3-yl)-pyridin-3-yl]-piperazine (0.15 g), (LC/MS basic: Rt 2.10, [M+H]+289)的产率得到1-methyl-4-[6-(4-nitro-1H-pyrazol-3-yl)-pyridin-3-yl]-piperazine