Related Experiment Video
Updated: Aug 18, 2025

Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
Published on: June 10, 2021
Inherently chiral belt-shaped conjugated macrocycles with strong fluorescence and circularly polarized luminescence
Xu-Sheng Du1,2, Xiao-Ni Han1, Ying Han1
1Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China. cchen@iccas.ac.cn.
Abstract:
A pair of inherently chiral belt-shaped conjugated macrocycles were conveniently synthesized starting from 2,7-fluoren[3]arene triflate, and they not only exhibited green fluorescence, but also showed circularly polarized luminescence with a |glum| of 2.0 × 10-3.
Related Concept Videos
Variables Affecting Phosphorescence and Fluorescence
Photochemical Electrocyclic Reactions: Stereochemistry
Selection Rules: Photochemical Activation
Stereoisomerism of Cyclic Compounds
Photoluminescence: Applications
Photoluminescence: Fluorescence and Phosphorescence
A pair of electrons in a...
¹H NMR of Conformationally Flexible Molecules: Temporal Resolution

