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- Title
Synthesis of Photochromic Oligophenylenimines: Optical and Computational Studies.
- Authors
Martínez Pérez, Armando I.; Alonso, Oscar Coreño; Borbolla, Julián Cruz; Vásquez-Pérez, José M.; Alonso, Juan Coreño; Ayala, Karina Alemán; Luna-Bárcenas, Gabriel; Pandiyan, Thangarasu; Vázquez García, Rosa A.
- Abstract
Phenyleneimine oligomers 4,4'-(((1E,1'E)-(((1E,1'E)-(1,4-phenylenebis- (azanylylidene))bis(methanylylidene))bis(2,5-bis(octyloxy)-1,4-phenylene))bis(methanylylidene))- 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)-1,4-phenylene))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.
- Subjects
PHOTOCHROMIC materials; PHENYLENE compounds; OLIGOMERS; OPTICAL properties; MECHANICAL chemistry
- Publication
Molecules, 2015, Vol 20, Issue 4, p5440
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules20045440