Purification of tertiary formamide contaminated with tertiary acetamide

A chlorinating agent such as a chloroiminium species is used to remove or neutralize tertiary acetamide present as a contaminant in a tertiary formamide solvent. Tertiary formamide solvent purified or treated in this manner can be used as a reaction vehicle for the chlorination of sucrose-6-acylates...

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Bibliographische Detailangaben
Hauptverfasser: JAMES EDWIN WILEY, MOHAMAD RAMI RADWAN JABER
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A chlorinating agent such as a chloroiminium species is used to remove or neutralize tertiary acetamide present as a contaminant in a tertiary formamide solvent. Tertiary formamide solvent purified or treated in this manner can be used as a reaction vehicle for the chlorination of sucrose-6-acylates, thereby improving the yields of the desired sucralose-6-acylate (an intermediate in the production of sucralose).