协同催化C6-选择性C-H激活/Pyridine迁移2-Pyridones与propiolates的C6-选择性C-H激活/Pyridine迁移
Yue-Lu Zhu1, Na Zhao1, Xin-Long Fu1
1School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China.
Organic letters
|December 21, 2023
概括
一个新的催化反应使得选择性C-H激活和使用自酸盐的2-里中的环迁移成为可能. 这种高效的方法为制药合成提供了广泛的功能组耐受性和可扩展性.
科学领域:
- 有机化学 有机化学
- 催化剂是一种催化剂.
- 合成方法论 合成方法论
背景情况:
- C-H激活是有机合成的一个强大的工具.
- 开发选择性和高效的催化系统仍然是一个关键的挑战.
- 在药物化学中,2-皮里顿是重要的异环基架.
研究的目的:
- 开发一种多功能催化方法,用于C-H激活和化物迁移.
- 为了利用随时可用的自酸盐作为2-pyridones的合伙伴.
- 为了证明开发的方法在药物合成中的适用性.
主要方法:
- ((III) 催化 C6 选择性 C-H 激活.
- 皮里丁的迁移反应与自身酸盐.
- 反应条件的优化,包括催化剂负荷和温度.
- 格拉姆尺度合成和后期修改研究.
主要成果:
- 证明了2-pyridones的C6-选择性C-H激活/pyridine迁移的多功能Co(III) 催化.
- 实现了高原子经济,优秀的区域选择性和良好的功能组耐受性.
- 在温和的反应条件下使用了廉价的Co (III) 催化剂.
- 成功完成了格拉姆尺度合成和药物的后期修改.
结论:
- 开发的方法提供了一条有效和实用的途径,以功能化皮里丁.
- 该方法适用于药物分子的后期功能化.
- 这项工作扩大了催化在有机合成中的实用性.
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