Upon treatment with sodium azide in DMF, bisalkynes undergo chemoselective [3+2] cycloaddition followed by oxidative cleavage of the other alkyne unit by atmospheric oxygen. The neighboring triazoloyl ion is found to assist the cleavage process ultimately to deliver an acid and an aldehyde.
在
DMF 中用
叠氮化
钠处理后,双
炔烃发生
化学选择性 [3+2] 环加成反应,然后被大气氧氧化裂解另一个
炔烃单元。发现相邻的三唑酰基离子有助于裂解过程,最终传递酸和醛。