基于平面手性[2,2]对环芳烷的共轭大环研究进展

2,2]对环芳烷是一类具有独特三维刚性结构以及平面手性的化合物，在材料科学领域具有广泛的应用前景，其可以作为理想的构筑基元构建共轭大环，并为大环引入手性和拓扑结构等有趣的性质．本文介绍了2,2]对环芳烷的发展历史、结构特性及平面手性，总结了近年来基于2,2]对环芳烷的共轭大环的重要进展．有望为基于2,2]对环芳烷的（拓扑）手性大环的合成设计提供新的思路． 

Conjugated macrocycles on planar chiral [2,2]paracyclophane

2,2]Paracyclophane (2,2]PCP) with unique three dimensional rigid structure and planar chirality has wide applications in material science．As an ideal building block to construct conjugated macrocycles, 2,2]PCP could introduce intriguing properties for macrocycles including chirality and topological structure．Recent progress on macrocycles based on 2,2]PCP scaffold are summarized in this review．Featured properties and planar chirality of 2,2]PCP are discussed．Conjugated macrocycles based on 2,2]PCP are classified into two types of helical oligothiophenes macrocycles and conjugated carbon macrocycles．Some of the macrocycles show bright circularly polarized luminescence with large glum values．