Used as a key intermediate in the synthesis of fluorinated pharmaceuticals and agrochemicals due to its stable difluoroacetic acid moiety and lipophilic tert-butylphenyl group. Its structure facilitates improved metabolic stability and membrane permeability in drug design. Commonly employed in the development of bioactive molecules where fluorine substitution enhances binding affinity and pharmacokinetic properties. Also utilized in the preparation of specialty polymers and functional materials requiring thermal and chemical resistance.