Unsaturated carbamylcobalt salophens, . (2), undergo homolytic cleavage (Δ, sunlamp) producing carbamyl radicals, (4) which then undergo cyclisation, accompanied by trapping (with CoII or TEMPO) or dehydrocobaltation, leading to functionalised β-, γ-, and δ-lactams . (3), (6), (8), (11), (13) and (16).
不饱和的
氨基甲酰
钴盐缩合物。(2)进行均相裂解(Δ,日光)产生
氨基甲酰基基团,(4)然后进行环化反应,伴随捕集(用Co II或
TEMPO)或脱氢
钴化,导致功能化的β-,γ-和δ-内酰胺。(3),(6),(8),(11),(13)和(16)。