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。
When the amine was used as a triplet quencher, the ketyl radical of ketocoumarin can be observed evidently.