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The electrophilicity parameters (E) of some trifluoromethylthiolating and difluoromethylthiolating reagents were determined by following the kinetics of their reactions with a series of enamines and carbanions with known nucleophilicity parameters (N, sN), using the linear free‐energy relationship log k2=sN(N+E). The electrophilic reactivities of these reagents cover a range of 17 orders of magnitude,...
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