6-(4-bromo-2-methyl-phenylsulfanyl)-2-methyl-pyridine-3-carbaldehyde 、
4-溴-3-甲基苯胺 、
2-甲基-6-氯吡啶-3-甲醛 、
potassium carbonate 在
silica gel 、 EtOAc hexanes 作用下,
以to afford 6-(4-bromo-3-methyl-phenylsulfanyl)-2-methyl-pyridine-3-carbaldehyde as a pale yellow oil (4.46 g, 83%)的产率得到6-(4-bromo-3-methyl-phenylsulfanyl)-2-methyl-pyridine-3-carbaldehyde