Using cesium carbonate as catalyxer and potassium carbonate as base,reacting directly phenol with alkyl halides in refluxing acetonitrile will give alkyl aryl ethers in good yields.

• 以碳酸铯作催化剂；碳酸钾作碱；以乙腈作溶剂；在回流的条件下酚与卤代烃反应高产率得到烷基芳醚.