Synthesis,X-ray crystallographic studies,DFT calculations and nanostructural features of annulated imidazo[4,5-b]pyridine derivatives |
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Authors: | Aniruddha Das |
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Affiliation: | 1. University College of Science, Technology and Agriculture, University of Calcutta, Kolkata, Indiaaniruddha.1086@rediffmail.com |
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Abstract: | Friedländer-type condensation of 5-amino-4-cyano-1-(phenyl/p-substitutedphenyl)imidazole with cycloalkanone was done by refluxing the mixture with a suspension of anhydrous aluminum chloride in dry 1,2-dichloroethane to produce 7-amino-3-aryl(5,6)cycloalkanoimidazolo[4,5-b]pyridine. Single X-ray crystallographic diffraction studies had shown that compounds had different types of heterodimeric, homodimeric π–π stacking, T-type stacking, and intermolecular hydrogen bonds which lead to nanostructure formation detected by scanning electron microscope. DFT calculation had also been performed to quantify heterodimeric π–π and T-stacking interactions. |
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Keywords: | DFT calculation Friedländer condensation imidazo[4,5-b]pyridine derivatives morphological diversity X-ray crystallographic study |
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