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Facile preparation of palladium catalyst supported on silica nanoparticles through CS2 plasma pretreatment: Application to the Heck reaction for vinyl monomers and π-conjugated polymer synthesis. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2018.12.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Posudievsky OY, Kozarenko OA, Dyadyun VS, Kotenko IE, Koshechko VG, Pokhodenko VD. Mechanochemically prepared polyaniline and graphene-based nanocomposites as electrodes of supercapacitors. J Solid State Electrochem 2018. [DOI: 10.1007/s10008-018-4052-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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Pérez AIM, Alonso OC, Borbolla JC, Vásquez-Pérez JM, Alonso JC, Ayala KA, Luna-Bárcenas G, Pandiyan T, García RAV. Synthesis of photochromic oligophenylenimines: optical and computational studies. Molecules 2015; 20:5440-55. [PMID: 25826785 PMCID: PMC6272491 DOI: 10.3390/molecules20045440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2015] [Revised: 03/16/2015] [Accepted: 03/17/2015] [Indexed: 11/16/2022] Open
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(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)-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.
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Affiliation(s)
- Armando I Martínez Pérez
- Ingeniería Mecánica Automotriz, Universidad Politécnica de Pachuca, Carretera Pachuca-Ciudad Sahagún km 20, Ex-Hacienda de Santa Bárbara, 43830 Zempoala, Hgo., Mexico
| | - Oscar Coreño Alonso
- Depto. Ing. Civil, Universidad de Guanajuato, Juárez 77, C.P. 36000 Leon, GTO, Mexico
| | - Julián Cruz Borbolla
- Académica de Ciencias de la Tierra y Materiales, Área Académica de Computación y Electrónica y Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Cd. Universitaria, C.P. 42184 Pachuca, Hgo., Mexico
| | - José M Vásquez-Pérez
- Académica de Ciencias de la Tierra y Materiales, Área Académica de Computación y Electrónica y Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Cd. Universitaria, C.P. 42184 Pachuca, Hgo., Mexico
- CONACyT, Avenida Insurgentes Sur 1582, Crédito Constructor, Benito Juárez, C.P. 03940 México, D.F., Mexico
| | - Juan Coreño Alonso
- Académica de Ciencias de la Tierra y Materiales, Área Académica de Computación y Electrónica y Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Cd. Universitaria, C.P. 42184 Pachuca, Hgo., Mexico
| | - Karina Alemán Ayala
- Académica de Ciencias de la Tierra y Materiales, Área Académica de Computación y Electrónica y Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Cd. Universitaria, C.P. 42184 Pachuca, Hgo., Mexico
| | - Gabriel Luna-Bárcenas
- Centro de Investigación y de Estudios Avanzados del I. P. N., Libramiento Norponiente 2000, Fracc. Real de Juriquilla, C.P. 76230 Querétaro, Qro., Mexico
| | - Thangarasu Pandiyan
- Facultad de Química, UNAM, Cd. Universitaria, Circuito exterior, Coyoacán, C.P. 04510 México, D.F., Mexico
| | - Rosa A Vázquez García
- Académica de Ciencias de la Tierra y Materiales, Área Académica de Computación y Electrónica y Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Cd. Universitaria, C.P. 42184 Pachuca, Hgo., Mexico.
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