In organic chemistry, the triflyl group (systematic name: trifluoromethanesulfonyl group) is a functional group with the formula and structure . The triflyl group is often represented by –Tf.
The related triflate group (trifluoromethanesulfonate) has the formula , and is represented by –OTf.
See also Triflyl azide, TfN3 Trioctylmethylammonium bis(trifluoromethylsulfonyl)imide, Comins' reagent Bis(trifluoromethanesulfonyl)aniline Triflic anhydride (CF3SO2)2O is a very strong triflating agent.
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