鲁米诺化学发光的空间增强作用
Steric Enhancement of the Chemiluminescence of Luminols.
作者信息
Griesbeck Axel G, Díaz-Miara Yrene, Fichtler Robert, Jacobi von Wangelin Axel, Pérez-Ruiz Raúl, Sampedro Diego
机构信息
Department of Chemistry, University of Cologne (Germany).
Institute of Organic Chemistry, University of Regensburg, Universitaetstr. 31, 93040 Regensburg (Germany).
出版信息
Chemistry. 2015 Jul 6;21(28):9975-9. doi: 10.1002/chem.201500798. Epub 2015 Jun 3.
A surprising 20-fold increase in chemiluminescence efficiency was observed for dialkyl luminol derivatives in comparison with the parent compound. This effect could be a direct consequence of steric gearing which facilitates the transition from the intermediate endoperoxide to the electronically excited phthalate. Mechanistic aspects of this process have been supported by computational calculations (CASPT2//CASSCF).
与母体化合物相比，二烷基鲁米诺衍生物的化学发光效率惊人地提高了20倍。这种效应可能是空间齿轮效应的直接结果，该效应促进了从中间内过氧化物到电子激发邻苯二甲酸酯的转变。这一过程的机理方面已得到计算计算（CASPT2//CASSCF）的支持。
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