The invention relates to a 3-aryl substituted isoxazole and succinimide compound and a synthetic method thereof. The structural formula of the compound is shown in the description, wherein Ar is equal to phenyl, p-methylphenyl, p-bromophenyl, p-nitrophenyl and 2-naphthyl; and the structural formula of olefin is shown in the description, wherein R is equal to hydrogen, phenyl, normal-butyl and benzyl. According to the method provided by the invention, raw materials are simple and easy to get, cupric nitrate is adopted as nitrogen and oxygen sources, conventional reaction solvents are used, the operation is simple, the condition is mild, the reaction is environment-friendly, the yield is from medium to excellent, and the method has very good development prospects in industrial production.