Process for the preparation of diaryl sulphones
A process is described for the preparation of diaryl sulphones by condensation of sulphuric acid or of an aromatic sulphonic acid with an aromatic compound having at least one replaceable hydrogen atom on the aromatic ring, the condensation being carried out in the presence of at least one catalyst...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | A process is described for the preparation of diaryl sulphones by condensation of sulphuric acid or of an aromatic sulphonic acid with an aromatic compound having at least one replaceable hydrogen atom on the aromatic ring, the condensation being carried out in the presence of at least one catalyst selected from the group comprising tungstic acid, molybdic acid and heteropolyacids. |
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