Preparation method of compound with 1,3-dioxane structure

The invention provides a preparation method of compound with a 1, 3-dioxane structure. The method comprises that by adopting solid acid as catalyst, under the condition of reaction temperature of 40 DEG C to 140 DEG C and reaction pressure of 0.1 MPa to 10 MPa, olefin and formaldehyde react to prepare the compound with the 1, 3-dioxane structure. The solid acid catalyst adopted by the method is high in catalytic activity, has no corrosiveness, is easy to be separated from reactants and products, and can be regeneratively cycled and used, and a reaction process is mild in condition and simple in a postprocessing process.