ChemInform Abstract Solvents of moderate polarity are the best choice for the title reaction. Conformational effects are shown to have a major influence on product yields. A mechanism which takes account to these facts is proposed.
ChemInform Abstract The thermal stabilities of eleven aminosuflur trifluorides are examined by DTA techniques. Morpholinosulfur trifluoride (IIb) proves to be the most stable of them and its fluorination ability is comparable to the widely used but more explosive DAST (IIa), the use of (IIb) is recommended for the fluorination of alcohols, e.g. cyclohexanol (I).
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