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Synthesis of fluorosulfates

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Rapid ex situ generation of gaseous sulfuryl fluoride (SO2F2) from 1,1′-sulfonyldiimidazole as a precursor enables a convenient transformation of phenols into the corresponding aryl fluorosulfates using a two-chamber reactor. Various phenols and hydroxylated heteroarenes were fluorosulfated in good to excellent yields.
C. Veryser, J. Demaerel, V. Bieliu̅nas, P. Gilles, W. M. De Borggraeve, Org. Lett., 2017, 19, 5244-5247.