Cave-shaped polyhydroxy fluorescent chemical compound and application thereof

The invention discloses a cave-shaped polyhydroxy fluorescent chemical compound. The cave-shaped polyhydroxy fluorescent chemical compound has a structure which is shown in a formula I. According to the cave-shaped polyhydroxy fluorescent chemical compound disclosed by the invention, very good recognition performance on Fe is obtained, and the detection limit on the Fe is up to 4.47ppm; a preparation method of the cave-shaped polyhydroxy fluorescent chemical compound is simple, and the cave-shaped polyhydroxy fluorescent chemical compound has no obvious toxicity on cells and has a wide application prospect in aspects of detecting Fe in an environment and a biological body and the like. 本发明公开了种穴状多羟基荧光化合物，具有如式I所示的结构。本发明对Fe具有很好的识别性能，且对Fe检测极限达到4.47ppm；该穴状多羟基荧光化合物的制备方法简易，对细胞无明显毒性，在环境、生物体内Fe的检测等方面具有广泛应用前景。