| abstract |
In order to selectively introduce a substituent into an aromatic ring, a process for preparing an aromatic compound of formula (I) and a novel compound prepared therefrom are disclosed, wherein a chelating reagent is reacted with a compound of formula (II) shown below. have :n n n n n n n n [Wherein X 1 and X 2 are halogen atoms which may be the same or different: R is the following formula:n n n n n n n n Wherein R 1 and R 2 may be the same or different and are a hydrogen atom or a lower alkyl group:n n n Z is a cyano group, -CO-OR 3 (wherein R 3 is a hydrogen atom or a lower alkyl group) or -CO-N (R 4 ) R 5 (wherein R 4 and R 5 may be the same or different, and hydrogen Is an atom or a lower alkyl group, and R 4 and R 5 together may represent an alkylene group).n n n Y is a nitro group, a halogen atom, a haloalkyl group or the following formula:n n n n n n n n (Wherein R 6 , R 7 and R 8 may be the same or different and are a hydrogen atom, a halogen atom or a cyano group); |