Description Application After being activated with silicophilic activators, like fluorides, alkoxides or carboxylates, pyrazolyltetrafluoroethyl trimethylsilane serves as a nucleophilic source of the pyrazolyltetrafluoroethyl moiety in reaction with electrophiles such as aromatic aldehydes. Other Notes Technology Spotlight: Fluoroalkylation: Expansion of Togni Reagents Legal Information Product of CF Plus Chemicals.