F. Rosemunch et al., REACTION OF CHLOROTRIFLUOROMETHYLBENZENE TRICARBONYLCHROMIUM COMPLEXES WITH NONCARBONATED ANIONS - SODIUM AMIDE AND SODIUM TRIFLUOROETHYLATE, Journal of organometallic chemistry, 456(1), 1993, pp. 30000008-30000010
The reaction of sodium amide with chloroarenetricarbonylchromium compl
exes gives aniline derivatives via an ipso nucleophilic aromatic subst
itution S(N)Ar if the arene is substituted by a good withdrawing elect
ron substituent such as a CF3 group; a poor nucleophile i.e. CF3CH2O-,
can also substitute the chloro group of chlorotrifluoromethylbenzenet
ricarbonylchromium complexes.