The invention relates to the pharmaceutical synthesis field and discloses N-(naphthoxyalkyl)heteroarylpiperidine compounds and a preparation method and applications thereof. The compounds disclosed by the invention are the compound shown in the formula I and pharmaceutically acceptable acid addition salts thereof, wherein n is 0, 1, 2 or 3; R is acetamino, acetoxy, acethythio, oximido, amino, aminocarbonyl, dimethylamino, diethylamino, hydroxyl,
trifluoromethyl, trifluoroacetyl, cyano, phenyl,
aldehyde group, benzoyl,
fluorine,
chlorine,
bromine or
iodine. The preparation method is as follows: 7-methoxynaphthalene compound used as
raw material and 6-fluoro-3-(4-piperidyl)-1,2-benzoisoxazole are used to perform N-
alkylation reaction. The N-(naphthoxyalkyl)heteroarylpiperidine compounds can act on 5-HT2A
receptor,
dopamine D2
receptor and
melatonin receptor, are the compounds with the multi-target function and have the
antipsychotic function.