Rhodium-catalyzed annulation of pyrrole substituted BODIPYs with alkynes to access π-extended polycyclic heteroaromatic molecules and NIR absorption
Bixiang Zhou, Mengjie Guo, Qingjie Pan, Mingbo Zhou, Ling Xu, Yutao Rao, Kaisheng Wang, Bangshao Yin, Jie Zhou, Jianxin Song
Abstract
A series of π-extended BODIPY derivatives fused with an indolizine scaffold were prepared smoothly <italic>via</italic> rhodium-catalyzed C–H functionalization/annulation. These fluorophores show significantly red-shifted absorption, reaching to the near infrared (NIR) region.
Topics & Concepts
AnnulationChemistryRhodiumPyrroleIndolizinePhotochemistryCatalysisAbsorption (acoustics)Combinatorial chemistryMoleculeMedicinal chemistryOrganic chemistryPhysicsAcousticsLuminescence and Fluorescent MaterialsPorphyrin and Phthalocyanine ChemistryOrganic Light-Emitting Diodes Research