52234-98-7Relevant academic research and scientific papers
New photosensitive methacrylate monomers with 4-aminoazobenzene type chromophore group
Janik,Kucharski,Kubainska,Lyko
, p. 241 - 252 (2007/10/03)
Photosensitive methacrylate monomers, derivatives of azobenzene, were synthesized. The route of syntheses was based on coupling of diazonium salts of sulfathiazole, sulfomethoxazole, sulfadiazine, 4-aminobenzoic acid and 4-nitroaniline with N-alkyl-N-[2-(methacryloyloxy)ethyl]aniline. The trans?cis isomerization of the monomers in DMSO solution was investigated by UV-VIS spectroscopy recording their spectra during illumination and thermal recovery periods. It was found that except for nitro derivatives the yield of trans-cis isomerization was ca. 50% and that the reverse reaction was a result of thermal relaxation. The spectroscopic studies were accompanied by quantum chemical calculations.
