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Synthesis of fluorinated dipyrazolyl sulfones from bis(2-fluoro-2-polyfluoroalkylalkenyl) sulfones and diazomethane

Chem. Heterocycl. Compd. 2019, 55 (11), 1065-1069

DOI: 10.1007/s10593-019-02578-3

Borodkin Y.; Rusanov E.; Khizhan A.; Shermolovich Y.

The reactions of diazomethane with bis(2-fluoro-2-polyfluoroalkylalkenyl) sulfones are accompanied by dehydrofluorination and lead to the formation of new dipyrazolyl sulfones containing polyfluoroalkyl substituents at position 4 of the pyrazole ring. The structure of four new sulfones was confirmed by X-ray diffraction analysis.

Synthesis of fluorinated dipyrazolyl sulfones from bis(2-fluoro-2-polyfluoroalkylalkenyl) sulfones and diazomethane

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