Abstract
Fluorinated chalcones are organic compounds with diverse biological activities and are of interest for drug development due to their improved properties, such as lipophilicity, bioavailability, and metabolic stability. Therefore, the correlation between structure and properties is fundamental to discover the potential use on pharmaceutical and technological applications. In this sense, we synthesized and characterized a novel fluorinated chalcone (E)-1-(4-fluorophenyl)-3-(naphthalen-1-yl)prop-2-en-1-one (FCH), and compared its supramolecular arrangement and topological analysis with a chalcone (E)-1-(4-hydroxyphenyl)-3-(naphthalen-1-yl)prop-2-en-1-one (HCH). The molecular electrostatic potential, QTAIM, and frontier molecular orbitals of both chalcones were investigated using the M06-2X/6-311++G(d,p) level of theory. Our findings show that the FCH exhibits a herringbone packing with intermolecular interactions of C–H⋯F and C–H⋯π, while the HCH assumes a staircase packing coordinated by O–H⋯O and π⋯π intermolecular interactions. Furthermore, the electrostatic potential analysis shows that FCH is susceptible to electrophilic attack, while HCH is susceptible to nucleophilic attack. Finally, the structural basis analysis for both chalcones indicated that FCH has a higher lipophilicity than HCH due to the stronger hydrogen bond of HCH with water.
Funding source: Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Award Identifier / Grant number: Unassigned
Funding source: Fundação de Amparo à Pesquisa do Estado de Goiás
Award Identifier / Grant number: Unassigned
Funding source: Fundação Nacional de Desenvolvimento do Ensino Superior Particular
Award Identifier / Grant number: Unassigned
Funding source: Conselho Nacional de Desenvolvimento Científico e Tecnológico
Award Identifier / Grant number: Unassigned
Acknowledgments
The authors are grateful to Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Fundação de Amparo à Pesquisa do Estado de Goiás, Fundação Nacional de Desenvolvimento do Ensino Superior Particular and Conselho Nacional de Desenvolvimento Científico e Tecnológico for financial support. Also, the authors are grateful to the High-Performance Computing Center of the Universidade Estadual de Goiás (UEG) and the Centro de Análises, Inovação e Tecnologia da UEG (CAiTec).
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Author contributions: Lóide O. Sallum: Conceptualization, Writing – original draft. Lorraine F. Silva: Investigation, Data curation, Software, Writing – review & editing. Jaqueline E. Queiroz: Writing – original draft, Investigation, Data curation, and review. Vitor S. Duarte: Formal analysis, Writing – review & editing. Wesley F. Vaz: Visualization, Writing – review & editing. Marcelo Z. Hernandes: Conceptualization, Formal analysis, Writing – review & editing. Gilberto L.B. Aquino: Visualization, Writing – review & editing. Ademir J. Camargo: Formal analysis, Writing – review & editing. Hamilton B. Napolitano: Project administration, Conceptualization, Supervision, Investigation, Writing – review & editing, Resources.
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Research funding: None declared.
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Conflict of interest statement: The authors declare there are no conflicts of interest.
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