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Synthesis of pH Dependent Pyrazole, Imidazole, and Isoindolone Dipyrrinone Fluorophores using a Claisen-Schmidt Condensation Approach
Published on: June 10, 2021
Two-photon dyes containing heterocyclic rings with enhanced photostability
Hwan Myung Kim1, Wen Jun Yang, Chang Ho Kim
1Molecular Opto-Electronics Laboratory, Department of Chemistry, Korea University, Seoul. chobr@korea.ac.kr
Abstract:
A series of donor-pi-donor derivatives containing phenyl, naphthyl, and anthryl groups as the pi-center and heterocyclic rings as the conjugation bridge have been synthesized and their one- and two-photon spectroscopic properties and photostability were determined. These compounds show bathochromic shifts in the absorption and emission spectra, larger two-photon cross-section, and enhanced photostability in comparison to their open-chain analogues. In addition, a convenient method for the qualitative photostability measurement is proposed.
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