7- A METHOD FOR PREPARING ALLYLATED 7-HYDROXYCOUMARIN DERIVATIVES

摘要

PURPOSE: Provided is a method for preparing allylated 7-hydroxycoumarin derivatives effectively and economically in high yield. CONSTITUTION: The method for preparing allylated 7-hydroxycoumarin is characterized by reacting allylhalide of the formula(1) with 7-hydroxycoumarin of the formula(2) to manufacture allylated 7-hydroxycoumarin derivative of the formula(3).