chloro 2 o methoxyphenoxyethane is an important pharmaceutical intermediate.It was synthesized from guaiacol and 1,2 dichloroethane in KOH solution,using TMBA as phase transfer catalyst(PTC).

• 1氯2邻甲氧基苯氧基乙烷是医药卡维地洛的中间体,它由愈创木酚和1,2二氯乙烷在PTC催化下,在碱中合成的。