| abstract |
The present invention provides 3,4-Disubstituted-benzo[b]thiophene derivatives represented by the following formula (I): nwherein, R 1 represents a halogen atom, a trihalomethyl group, a C 1-4 alkyl group or a C 1-4 alkoxy group; and X represents a halogen atom; with the proviso that the compound is not 3-bromomethyl-4-methoxybenzo[b]thiophene, 3-bromomethyl-4-chlorobenzo[b]thiophene, 3-bromomethyl-4-bromobenzo[b]thiophene or 3-bromomethyl-4-fluorobenzo[b]thiophene. |