路线1:以3,6-二氯哒嗪和4-甲酰基苯硼酸为原料
- 步骤:将3,6-二氯哒嗪(400mg,2.69mmol)溶于二恶烷(6mL)和蒸馏水(2mL)中,溶解后加入4-甲酰基苯基硼酸(321mg,2.15mmol)、碳酸钾(920mg,6.71mmol)和PdCl₂(dppf)₂(110mg,0.13mmol),在90℃下搅拌反应;反应混合物用二氯甲烷稀释,盐水洗涤,无水硫酸钠干燥,减压浓缩;通过柱色谱(40%EtOAc/己烷)纯化,得到目标产物。
- 收率:25%
- 参考文献:
- [1] Patent: KR101869534, 2018, B1. Location in patent: Paragraph 0258; 0260
- [2] Journal of Organic Chemistry, 2017, vol. 82, # 18, p. 9435 - 9451