This radical attacks the carbonyl group to an intermediate bicyclic ketyl.
烷基自由基对羰基进行进攻，生成双环的羰自由基中间体。
When the amine was used as a triplet quencher, the ketyl radical of ketocoumarin can be observed evidently.
当以胺类化合物为猝灭剂时，可以清楚地观察到半片呐醇自由基的生成，并得到了它的瞬态吸收光谱。
Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体—— 自由基中间体的研究方法和最新进展。
Methods and recent development of isolation of structurally characterizable alkali, alkaline earth and lanthanide metal ketyl radical complexes were reviewed in the paper.
介绍了利用金属离子的配位作用捕获并分离重要有机反应中间体—— 自由基中间体的研究方法和最新进展。
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