- 作者: Chang-Hu Chua , Xin-Ping Huia, Peng-Fei Xua, Zi-Yi Zhanga, Zhi-Chun Lib and Ren-An Liaob
- 中文摘要: Mesoionic 5-arylamino-1,3,4-thiadiazolium-2-thiolates 7a-f were prepared by the isomerization of 5-arylamino-1,3,4-thiadiazol-2-thiones 5a-f by using w-bromo-w-(1H-1,2,4-triazol-1-yl)acetophenone 6 as catalyst. All the structures of mesoionic synthesized were confirmed by elemental analyses, 1H NMR, IR and MS spectral data. We have also determined the x-ray photoelectron spectroscopy (XPS) of the mesoionic and their precursors. A comparison of XPS spectra between the mesoionic and their precursors showed that the charge separation in mesoionic is distinctly larger than in their precursors.
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