A synthetically convenient approach for the direct α‐deuteration of amides is reported. This mechanistically unusual process relies on a retro‐ene‐type process, triggered by the addition of deuterated dimethyl sulfoxide to a keteniminium intermediate, generated through electrophilic amide activation. The transformation displays broad functional‐group tolerance and high deuterium incorporation.
报道了一种合成方便的酰胺直接α-
氘化方法。这种机制上不寻常的过程依赖于逆烯型过程,由将
氘代
二甲基亚砜添加到通过亲电酰胺活化产生的酮
亚胺中间体中触发。该转化显示出广泛的官能团耐受性和高
氘掺入。