Synthesis of the most anti-aromatic 16π porphyrin : an octaethylporphyrin zinc(II) complex with no meso-substituents
Synthesis of the most anti-aromatic 16π porphyrin : an octaethylporphyrin zinc(II) complex with no meso-substituents
复制标题
最具反芳香性的16π卟啉的合成：无内消旋取代基的八乙基卟啉锌(II)配合物
DOI：
10.1142/s1088424613501009
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发表时间：
2013
影响因子：
1.5
通讯作者：
Yohsuke Yamamoto
中科院分区：
文献类型：
--
作者：
Shogo Hiramatsu;Shun Sugawara;Satoshi Kojima;Yohsuke Yamamoto
在强氧化剂如AgSbF6/I2或SbF5的作用下，最具抗芳香性的16π卟啉是由相应的18π卟啉在强氧化剂AgSbF6/I2或SbF5作用下生成的高度不稳定的八乙基卟啉锌(II)络合物。在紫外可见光谱中，16π卟啉发生了显著的蓝移。核磁共振氢谱显示，16π卟啉环上的质子发生了明显的高场位移，从而证实了该化合物具有最强的抗芳香性。
The most anti-aromatic 16π porphyrin, an octaethylporphyrin (OEP) zinc(II) complex with no substituents at themeso-positions was generated as a highly unstable species from the reaction of the corresponding 18π porphyrin using strong oxidants such as AgSbF6/I2or SbF5. The porphyrin showed a significant blue-shift unique to 16π porphyrins in its UV-vis spectrum.1H NMR measurements revealed an evident high-field shift of themeso-protons of the porphyrin ring, thereby establishing that the novel 16π porphyrin has the strongest anti-aromaticity reported so far.