Trifluoromethyl groups nitro displacement activation

I.S. Chung, K.H. Kim, YS. Lee, S.Y. Kim, Poly(arylene ether)s with trifluoromethyl groups via meta-activated nitro displacement reaction. Polymer 51 (20) (2010) 4477-4483. 

Nucleophilic Displacement Reactions. The strong electron-withdrawing effect of a trifluoromethyl group activates ortho and para halogen toward nucleophilic attack. Such chlorine labiUty is utili2ed in the manufacture of crop control chemicals containing trifluoromethyl and nitro groups. 

I.S. Chung, S.Y Kim, Meta-activated nucleophilic aromatic substitution reaction poly(biphenylene oxide)s with trifluoromethyl pendent groups via nitro displacement, J. Am. Chem. Soc. 123 (44) (2001) 11071-11072. 

S.D. Kim, D. Ka, I.S. Chung, S.Y. Kim, PoIy(arylene ether)s with low refractive indices poly(biphenylene oxide)s with trifluoromethyl pendant groups via a meto-activated Nitro displacement reaction. Macromolecules 45 (7)(2012) 3023-3031. 

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