Structure and isomerization behavior relationships of new push–pull azo-pyrrole photoswitches
D. Gallardo-Rosas, José Manuel Guevara‐Vela, Tomás Rocha‐Rinza, Rubén A. Toscano, José G. López‐Cortés, M. Carmen Ortega‐Alfaro
Abstract
Push–pull stilbenyl-azopyrrole dyes are efficiently obtained via a Heck cross-coupling reaction. Modifications of the acceptor character of the EWG might accelerate the cis – trans photo-isomerization.
Topics & Concepts
IsomerizationPyrroleAzobenzenePhotochemistryChemistryMoleculeOrganic chemistryCatalysisPhotochromic and Fluorescence ChemistryPorphyrin and Phthalocyanine ChemistrySupramolecular Self-Assembly in Materials