Research Progress on the Synthesis of Fluorene Compounds through Intramolecular Cyclization Reactions

芴是一种共轭良好的平面多环芳香有机化合物，具有特殊的物理和化学性质，是有机合成中的重要支架。芴类化合物在聚合物、电子设备、传感器和光致变色材料中被广泛应用，因此芴及其衍生物的合成方法具有重要的研究价值。在本文中，主要综述了芴类化合物的结构特征和应用前景，然后对近年来通过分子内环化反应合成芴类化合物的方法进行了总结和归纳，为此类化合物的合成研究提供参考。Fluorene is a well-conjugated planar polycyclic aromatic organic compound with special physical and chemical properties, making it an important scaffold in organic synthesis. Fluorene derivatives are widely used in polymers, electronic devices, sensors, and photochromic materials, hence, the synthesis methods of fluorene and its derivatives hold significant research value. This article primarily reviews the structural characteristics and application prospects of fluorene compounds, and summarizes the methods for synthesizing fluorene compounds through intramolecular cyclization reactions in recent years, providing a reference for the synthesis research of these compounds.