Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 24, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ijms24010610
Keywords
acid resistance; benzylamines; DFT; heterostilbenes; molecular docking; photocyclization; semiempirical methods; TD-DFT
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This research focuses on the synthesis, photochemistry, and computational study of new cis- and trans-isomers of amino-thienostilbenes. The goal is to evaluate their production efficiency, acid resistance, electronic structure, photoreactivity, photophysical characteristics, and potential biological activity. The results show that the synthesized trans-aminostilbenes have similar absorbance wavelengths compared to organic dyes, while their functionalized cis-isomers and photocyclization products are potential cholinesterase inhibitors.
In this research, the synthesis, photochemistry, and computational study of new cis- and trans-isomers of amino-thienostilbenes is performed to test the efficiency of their production and acid resistance, and to investigate their electronic structure, photoreactivity, photophysical characteristics, and potential biological activity. The electronic structure and conformations of synthesized thienostilbene amines and their photocyclization products are examined computationally, along with molecular modeling of amines possessing two thiophene rings that showed inhibitory potential toward cholinesterases. New amino-styryl thiophenes, with favorable photophysical properties and proven acid resistance, represent model compounds for their water-soluble ammonium salts as potential styryl optical dyes. The comparison with organic dyes possessing a trans-aminostilbene subunit as the scaffold shows that the newly synthesized trans-aminostilbenes have very similar absorbance wavelengths. Furthermore, their functionalized cis-isomers and photocyclization products are good candidates for cholinesterase inhibitors because of the structural similarity of the molecular skeleton to some already proven bioactive derivatives.
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