| abstract |
The invention discloses a class of benzoheterocyclic derivatives, which have the following general formula (I) or pharmaceutically acceptable equivalents thereof, wherein, A is 4-7 membered saturated or unsaturated containing 1-2 A heterocyclic ring of heteroatom N, S or O; n is an integer of 0-6; R is hydrogen, halogen, nitro , cyano, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 6 alkylamino, halogenated C 1-6 alkyl, halogenated C 1-6 alkoxy or C 3-6 cycloalkyl; R 2 or R 3 are independently hydrogen, halogen, nitro, cyano, C 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkylamino, halogenated C 1-6 alkyl, halogenated C 1-6 alkoxy or C 3-6 cycloalkyl. The compounds can be applied to the preparation of drugs for treating diseases of the central nervous system. |