AI Article Synopsis
- Two phenyleneimine oligomers, OIC1MS and OIC2MS, were synthesized using both traditional and mechanochemical methods.
- These compounds were characterized using techniques like FT-IR and NMR, and their optical properties were examined with UV-visible spectroscopy, revealing that OIC2MS has notable photochromic characteristics.
- Additionally, their structural and electronic properties were studied using TD-DFT, indicating that mechanosynthesis is a highly effective approach for creating these tetraimines.
Article Abstract
Phenyleneimine oligomers 4,4'-(((1E,1'E)-(((1E,1'E)-(1,4-phenylenebis-(azanylylidene))bis(methanylylidene))bis(2,5-bis(octyloxy)-4,1-phenylene))bis(methanylyl-idene))-bis(azanylylidene))dianiline (OIC1MS) and 7,7'-(((1E,1'E)-(((1E,1'E)-((9H-fluorene-2,7-diyl)bis(azanylylidene))bis(methanylylidene))bis(2,5-bis(octyloxy)-4,1phenylene))bis- (methanylylidene))bis(azanylylidene))bis(9H-fluoren-2-amine) (OIC2MS) were prepared by means of conventional and mechanochemical synthesis and characterized by FT-IR, 1H- and 13C-NMR techniques. The optical properties of the compounds were studied in solution by using UV-visible spectroscopy, and the optical effects were analyzed as a function of solvent. The results show that OIC2MS exhibits interesting photochromic properties. Furthermore, the structural and electronic properties of the compounds were analyzed by TD-DFT. It was found that the mechanosynthesis is an efficient method for the synthesis of both tetraimines.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6272491 | PMC |
| http://dx.doi.org/10.3390/molecules20045440 | DOI Listing |
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