Disulfide derivatives of thiosemicarbazones of 4-formyl-5-thiopyrazole |
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| Authors: | A. I. Uraev M. S. Korobov L. D. Popov G. G. Aleksandrov E. V. Korshunova D. A. Garnovskii A. S. Burlov |
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| Affiliation: | 1.Research Institute of Physical and Organic Chemistry,Southern Federal University,Rostov-on-Don,Russia;2.Chemical Department,Southern Federal University,Rostov-on-Don,Russia;3.N. S. Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia;4.Southern Scientific Center,Russian Academy of Sciences,Rostov-on-Don,Russia |
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| Abstract: | ![]()
The reaction of 4-formyl-5-mercaptopyrazole with thiosemicarbazides in methanol has afforded novel disulfide derivatives of thiosemicarbazones, and their structure has been studied by NMR and IR spectroscopy. X-ray diffraction analysis of [5,5'-dithiobis(4-formyl-3-methyl-1-phenylpyrazole)]-4-allylthio-semicarbazone has shown that it exists as a dimer with two molecules linked via the disulfide S–S bridge between the heterocycles in the crystal. |
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