可见光促进的[2+2]环加成反应的能量转移光催化。
Visible light photocatalysis of [2+2] styrene cycloadditions by energy transfer.
机构信息
Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706, USA.
出版信息
Angew Chem Int Ed Engl. 2012 Oct 8;51(41):10329-32. doi: 10.1002/anie.201204835. Epub 2012 Sep 10.
Abstract
Styrenes participate in [2+2] cycloadditions upon irradiation with visible light in the presence of an iridium(III) polypyridyl complex. In contrast to previous reports of visible light photoredox catalysis, the mechanism of this process involves photosensitization by energy transfer and not electron transfer.
摘要
苯乙烯在可见光照条件下，与三价铱多吡啶配合物一起发生[2+2]环加成反应。与先前有关可见光光氧化还原催化的报道相反，该过程的机理涉及通过能量转移而不是电子转移进行敏化。
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