| abstract |
Provided is a useful intermediate in the production of polyarylene. Dihalobenzene compounds represented by formula (1) and formula (2) (provided that n-butyl 3,5-dichlorobenzenesulfonate and 2,2,3,3-tetrabenzene 3,5-dichlorobenzenesulfonate) (Excluding fluoro-n-butyl) (wherein A represents an alkoxy group having 3 to 20 carbon atoms, etc., and R 1 represents a hydrogen atom, a fluorine atom, an alkyl group having 1 to 20 carbon atoms, or the like. X 1 represents a chlorine atom, m represents 1 or 2, and k represents 4-m.) [Selection figure] None |