Method for preparing terpinyl acetate

The invention relates to a method for preparing terpinyl acetate, comprising: terpilenol and acetic anhydride are respectively added into a reaction kettle to be stirred, the mixture is added with phosphoric acid to be evenly stirred and then added with SnCl4.5H2O at the room temperature until the SnCl4.5H2O is completely dissolved, and the reaction is carried out under agitation while the temperature gradually raises; the reaction liquid is cooled to be room temperature and added with Na2CO3 to neutralize H3PO4 and SnCl4, and is directly distilled after being neutralized by carbonic acid, so that most acetic acid is evaporated; reaction product is washed by 10% of NaOH solution and saturated saline solution to remove the residual acetic acid until neutrality and then processed by fractionation, so that the terpinyl acetate is obtained. The method has the advantages of providing a novel composite catalyst system and a new technique for synthesizing the terpinyl acetate, being low in cost and simple in post treatment and having higher catalytic activity and reaction selectivity. The method also can ensure the yield of terpinyl acetate, shorten the reaction time, reduce the wastewater in the production and improve the recovery rate of acetic acid byproduct and the concentration of acetic acid.