Coumarin aryl ether type compound as well as preparation method and application thereof

The invention discloses a coumarin aryl ether type compound which is shown in a formula I in the description, and details of definition of substituent groups in the formula are shown in the description. According to the coumarin aryl ether type compound which is disclosed by the invention and is of a novel structure, through an intramolecular aryl migration reaction, the utilization rate of atomsis greatly increased, reaction conditions are mild, no transition metal is used as a catalyst, reactions can be carried out under the action of a mild alkali, and the coumarin aryl ether type compoundhas blue florescence and can be used as a potential organic functional material. 本发明公开了一种香豆素芳基醚类化合物，通式如式I所示：式中各取代基定义详见说明书。本发明提供的结构新颖的香豆素芳基醚类化合物，利用分子内芳基迁移反应，大大提高了原子利用率，反应条件较温和，无需使用过渡金属作催化剂，在温和的碱的作用下即可发生反应，香豆素芳基醚类化合物具有蓝色荧光，可以用作潜在的有机功能材料。