Citation:
Wang Yuanzheng. SYNTHESIS OF SUMITHION FROM MIXED CRESOL[J]. Chinese Journal of Applied Chemistry,
;2016, 4(5): 91-93.
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A new approach to synthesize Sumithion was developed, including three steps:nitrosation, oxidation and condensation. Under the conditions of nitrosation the m-cresol was nitrosated by HNO2 to p-nitroso-m-cresol and the remained p-cresol could be easily removed by washing with toluene and recovered. p-Nitroso-m-cresol was then oxidized by HNO3 to p-nitro-m-cresol, the sodium salt of which is more stable in high temperature drying than p-nitro-m-cresol itself. Sumithion was obtained in a high yield.
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