Metal-Free Synthesis and Photophysical Properties of 1,2,4-Triarylpyrroles

J Org Chem. 2021 Jan 1;86(1):110-127. doi: 10.1021/acs.joc.0c01788. Epub 2020 Dec 2.

Abstract

A three-component reaction has been developed for the construction of multiaryl-substituted pyrrole derivatives from arylketones, amines, and nitrovinylarenes under metal-free conditions. Hence, homologous 1,2,4-triaryl-substituted pyrrole products were obtained in good to high yields. Furthermore, 2,3,5-triaryl-substituted pyrroles were selectively formed in the absence of nitrovinylarenes. The photophysical properties of some pyrrole products have been investigated to show good aggregation-induced emission (AIE) activity.