Producción Científica Profesorado

Engineering organic semiconducting solids. Multicomponent access to crystalline 3-(4-aryl-1,2,3-triazolyl)coumarins.



Lopez Ruíz, Heraclio

2016

J. E. de la Cerda-Pedro, R. Arcos-Ramos, M. Maldonado-Domínguez, S. Rojas-Lima, M. Romero-Ávila, M. P. Carreón-Castro, R. Santillan, N. Farfán, H. López-Ruiz, Engineering organic semiconducting solids. Multicomponent access to crystalline 3-(4-aryl-1,2,3-triazolyl)coumarins, Cryst. Eng. Comm, 2016,18, 5562-5571DOI: 10.1039/C6CE01041E


Abstract


Crystalline 3-(4-aryl-1,2,3-triazol-1-yl)coumarins (ATCs) were prepared from commercial materials using a four-component methodology as a key step. In the present work, a feasible and environmentally friendly route to the title compounds was developed through the reaction between salicylaldehydes, ethyl bromoacetate, phenylacetylenes and sodium azide under mild conditions, with short reaction times and a simple workup. Crystalline solids are readily accessed from the featured products via solution processing and their arrays in the solid state were elucidated through SXRD; these molecules display a periodic overlap of ?-systems, which facilitates carrier transport in organic electronic devices. Semiconductor band gaps for the obtained solids were derived through plane-wave DFT and compared with reference systems known to display superior performance in organic electronics. Thus ATCs represent attractive systems for research and implementation in molecular materials, a task which will be facilitated by the concise route herein described.



Producto de Investigación




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