过渡金属光催化下乙烯基叠氮化物的可见光敏化。
Visible-light sensitization of vinyl azides by transition-metal photocatalysis.
机构信息
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706 (USA) http://yoon.chem.wisc.edu.
出版信息
Angew Chem Int Ed Engl. 2014 Jan 13;53(3):793-7. doi: 10.1002/anie.201308820. Epub 2013 Nov 26.
Abstract
Irradiation of vinyl and aryl azides with visible light in the presence of Ru photocatalysts results in the formation of reactive nitrenes, which can undergo a variety of C-N bond-forming reactions. The ability to use low-energy visible light instead of UV in the photochemical activation of azides avoids competitive photodecomposition processes that have long been a significant limitation on the synthetic use of these reactions.
摘要
在 Ru 光催化剂存在下，用可见光辐照乙烯基和芳基叠氮化物会生成反应性氮宾，后者可以进行各种 C-N 键形成反应。在叠氮化物的光化学活化中使用低能量可见光代替 UV 光，可以避免长期以来一直是这些反应在合成应用中受到限制的竞争性光分解过程。
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