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- W2005992098 abstract "Durch Umsetzung der Aromaten 2, 6, 8, 9, 13, 16, 18, 19, 22 mit Chlorsulfonsäure-trimethylsilylester (1) erhält man die Arensulfonsäure-trimethylsilylester 5, 7, 11, 12, 15, 23 bzw. Sulfonsäuren 17, 20, 21. Die Aufarbeitung der Sulfonierungsgemische erfolgt, wenn Silylester entstehen, destillativ. Aus der Hydrohalogenolyse der Trimethylsilylester 5 bei 0-5°C resultieren die wasserfreien Sulfonsäuren 3. Am Beispiel der Reaktion von Benzol (2a) mit 1 werden die Möglichkeiten der Bildung von Diphenylsulfon (25a) untersucht. In diesem Zusammenhang gelang die Synthese von Benzolpyrosulfonsäure (28) und Benzolpyrosulfonsäure-trimethylsilylester (29). Sulfosilylation of Aromatic Hydrocarbons by Trimethylsilyl Chlorosulfonate Aromatic hydrocarbons 2, 6, 8, 9, 13, 16, 18, 19, 22 react with trimethylsilyl chlorosulfonate (1) to give trimethylsilyl arenesulfonates 5, 7, 11, 12, 15, 23 or sulfonic acids 17, 20, 21. If trimethylsilyl sulfonates are obtained, working up of the sulfonation mixtures is possible by distillation. By hydrohalogenolysis of trimethylsilyl sulfonates 5 at 0-5°C anhydrous sulfonic acids 3 result. The pathways to diphenylsulfone (25a) in the reaction of benzene (2a) with 1 were investigated. In this connection we succeeded in synthesizing benzenepyrosulfonic acid (28) and trimethylsilyl benzenepyrosulfonate (29)." @default.
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- W2005992098 date "1982-02-10" @default.
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- W2005992098 title "Sulfosilylierung von Aromaten mit Chlorsulfonsäure-trimethylsilylester" @default.
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- W2005992098 doi "https://doi.org/10.1002/jlac.198219820212" @default.
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