Sulfonation of pyridine, 3-hydroxypyridine,and their N-oxides |
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| Authors: | K. M. Dyumaev R. E. Lokhov |
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| Affiliation: | (1) Scientific-Research Institute of Organic Intermediates and Dyes, Moscow |
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| Abstract: | The sulfonation of pyridine derivatives and their N-oxides in fuming sulfuric acid was studied. 3-Hydroxypyridine N-oxide is sulfonated in the 2 position of the pyridine ring. A probable scheme for the substitution is proposed.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 813–815, June, 1973. |
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