All of oxidation methods and their development applied in the preparation of 2-methylnaphthoquinone of vitamin K intermediate with 2-methylnaphthalene,were mainly introduced.

• 综述了以2-甲基萘为原料制备K类维生素中间体2-甲基萘醌的方法及其进展,总结了各种氧化方法及其优缺点,并针对当前工业生产中存在的问题,提出了合理的建议。