1,3-Bis(trifluoromethyl)benzene undergoes regioselective metalation and subsequent carboxylation at position 2 to give 2,6-bis(trifluoromethyl)benzoic acid. a convenient, selective synthesis of bis[2,4-bis(trifluoromethyl)phenyl]phosphane derivatives with 1,3-bis(trifluoromethyl)benzene as starting material.
Lithiation reaction of 1,3-bis(trifluoromethyl)benzene has been investigated. 1,3-Bis(trifluoromethyl)benzene undergoes regioselective metalation and subsequent carboxylation at position 2 to give 2,6-bis(trifluoromethyl)benzoic acid.