Synthesis and switching properties of new derivatives of azoresveratrol

Jérôme Berthet, Laurence Agouridas, Siyao Chen, Hassan Allouchi, Patricia Melnyk, Benoît Champagne, Stéphanie Delbaere

Research output: Contribution to journalArticlepeer-review


The synthesis and response upon light irradiation of azoresveratrol and six derivatives are reported. While UV irradiation of para-hydroxy trans compounds leads to thermally unstable cis isomers, the para-methoxy and the para-phosphoric ester substituents result in reaching a high conversion and increasing the thermal stability. In addition, the phosphoric ester azo derivative presents similar properties in organic and aqueous solutions, opening the way towards biological applications.

Original languageEnglish
Article number107666
Number of pages9
JournalDyes and pigments
Publication statusPublished - 1 Dec 2019


  • Azobenzene
  • DFT calculations
  • NMR
  • Photoswitching
  • Thermal relaxation
  • UV irradiation


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