Photochemical upconversion:: Anthracene dimerization sensitized to visible light by a RuII chromophore

被引:154
作者
Islangulov, Radiy R.
Castellano, Felix N. [1 ]
机构
[1] Bowling Green State Univ, Dept Chem, Bowling Green, OH 43403 USA
[2] Bowling Green State Univ, Ctr Photochem Sci, Bowling Green, OH 43403 USA
关键词
anthracene; cycloaddition; dimerization; photochemistry; upconversion;
D O I
10.1002/anie.200601615
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Double up: Photochemical upconversion by MLCT-sensitized triplet-triplet annihilation is demonstrated (MLCT = metal-to-ligand charge transfer). Selective visible excitation of [Ru(dmb)3]2+ (dmb = 4,4′-dimethyl-2,2′-bipyridine) in the presence of anthracene efficiently produces the [4+4] cycloaddition product. This transformation traditionally requires ultraviolet light. (Chemical Equation Presented) © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:5957 / 5959
页数:3
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