Iodine‐promoted Intermolecular Dehydrogenation Diamination: Synthesis of Unsymmetrical α,β‐Diamido Ketones
作者:YongJian Zhang、Junyi Su、Wenjie Niu、Yujin Li
DOI:10.1002/asia.201900170
日期:2019.5.2
Iodine‐promoted direct diamination of α,β‐unsaturated ketone to form two C−N bonds has been developed starting from chalcone and secondary amine. This reaction was performed in THF at 50 °C in the presence of I2 and K2CO3. The protocol is metal‐free, operationally simple and carried out under mild conditions, providing an effective new way for directing diamination reactions.
从查尔酮和仲胺开始,碘促进了α,β-不饱和酮的直接醛化反应以形成两个C-N键。该反应在I 2和K 2 CO 3的存在下于THF中于50°C进行。该方案不含金属,操作简单,在温和条件下进行,提供了一种直接的方法来指导氨化反应。