1-(tetrahydro-2H-pyran-4-yl)ethanone is mainly used as an intermediate in organic synthesis and medicinal chemistry, and can be used in the synthesis of cell biology detection reagents. In organic synthesis and transformation, the ketone carbonyl group in 1-(tetrahydroChemicalbook-2H-pyran-4-yl)ethanone can react with Wittig reagent to prepare various polysubstituted olefin compounds, and the ketone carbonyl group can also be reduced to hydroxyl groups by the corresponding reducing agent.