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Insuasty D, Mutis M, Trilleras J, Illicachi LA, Rodríguez JD, Ramos-Hernández A, San-Juan-Vergara HG, Cadena-Cruz C, Mora JR, Paz JL, Méndez-López M, Pérez EG, Aliaga ME, Valencia J, Márquez E. Synthesis, Photophysical Properties, Theoretical Studies, and Living Cancer Cell Imaging Applications of New 7-(Diethylamino)quinolone Chalcones. ACS OMEGA 2024; 9:18786-18800. [PMID: 38708212 PMCID: PMC11064003 DOI: 10.1021/acsomega.3c07242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/11/2023] [Accepted: 01/10/2024] [Indexed: 05/07/2024]
Abstract
In this article, three unsymmetrical 7-(diethylamino)quinolone chalcones with D-π-A-D and D-π-A-π-D type push-pull molecular arrangements were synthesized via a Claisen-Schmidt reaction. Using 7-(diethylamino)quinolone and vanillin as electron donor (D) moieties, these were linked together through the α,β-unsaturated carbonyl system acting as a linker and an electron acceptor (A). The photophysical properties were studied, revealing significant Stokes shifts and strong solvatofluorochromism caused by the ICT and TICT behavior produced by the push-pull effect. Moreover, quenching caused by the population of the TICT state in THF-H2O mixtures was observed, and the emission in the solid state evidenced a red shift compared to the emission in solution. These findings were corroborated by density functional theory (DFT) calculations employing the wb97xd/6-311G(d,p) method. The cytotoxic activity of the synthesized compounds was assessed on BHK-21, PC3, and LNCaP cell lines, revealing moderate activity across all compounds. Notably, compound 5b exhibited the highest activity against LNCaP cells, with an LC50 value of 10.89 μM. Furthermore, the compounds were evaluated for their potential as imaging agents in living prostate cells. The results demonstrated their favorable cell permeability and strong emission at 488 nm, positioning them as promising candidates for cancer cell imaging applications.
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Affiliation(s)
- Daniel Insuasty
- Departamento
de Química y Biología, División de Ciencias Básicas, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - Mario Mutis
- Grupo
de Investigación en Compuestos Heterocíclicos, Facultad
de Ciencias Básicas, Universidad
del Atlántico, Puerto Colombia 081007, Colombia
| | - Jorge Trilleras
- Grupo
de Investigación en Compuestos Heterocíclicos, Facultad
de Ciencias Básicas, Universidad
del Atlántico, Puerto Colombia 081007, Colombia
| | - Luis A. Illicachi
- Grupo
de Investigación en Química y Biotecnología,
Facultad de Ciencias Básicas, Universidad
Santiago de Cali, Calle 5. No. 62-00, Cali 760032, Colombia
| | - Juan D. Rodríguez
- Programa
de medicina, Facultad de Ciencias de la Salud, Universidad Libre, Km 7 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - Andrea Ramos-Hernández
- Grupo
Química Supramolecular Aplicada, Semillero Electroquímica
Aplicada, Facultad de Ciencias Básicas, Universidad del Atlántico, Puerto Colombia 081007, Colombia
| | - Homero G. San-Juan-Vergara
- Departamento
de Medicina, División Ciencias de la Salud, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - Christian Cadena-Cruz
- Departamento
de Medicina, División Ciencias de la Salud, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - José R. Mora
- Instituto
de Simulación Computacional (ISC-USFQ), Departamento de Ingeniería
Química, Universidad San Francisco
de Quito, Diego de Robles y Vía Interoceánica, Quito 170901, Ecuador
| | - José L. Paz
- Departamento
Académico de Química Inorgánica, Facultad de
Química e Ingeniería Química, Universidad Nacional Mayor de San Marcos, Apartado, 15081 Lima, Perú
| | - Maximiliano Méndez-López
- Departamento
de Química y Biología, División de Ciencias Básicas, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - Edwin G. Pérez
- Organic
Chemistry Department, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Margarita E. Aliaga
- Physical
Chemistry Department, Faculty of Chemistry and Pharmacy, Pontificia Universidad Católica de Chile, Santiago 7820436, Chile
| | - Jhesua Valencia
- Departamento
de Química y Biología, División de Ciencias Básicas, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
| | - Edgar Márquez
- Departamento
de Química y Biología, División de Ciencias Básicas, Universidad del Norte, Km 5 vía Puerto Colombia, Puerto Colombia 081007, Colombia
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High Yield Synthesis of Curcumin and Symmetric Curcuminoids: A "Click" and "Unclick" Chemistry Approach. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010289. [PMID: 36615495 PMCID: PMC9822029 DOI: 10.3390/molecules28010289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/03/2023]
Abstract
The worldwide known and employed spice of Asian origin, turmeric, receives significant attention due to its numerous purported medicinal properties. Herein, we report an optimized synthesis of curcumin and symmetric curcuminoids of aromatic (bisdemethoxycurcumin) and heterocyclic type, with yields going from good to excellent using the cyclic difluoro-boronate derivative of acetylacetone prepared by reaction of 2,4-pentanedione with boron trifluoride in THF (ca. 95%). The subsequent cleavage of the BF2 group is of significant importance for achieving a high overall yield in this two-step procedure. Such cleavage occurs by treatment with hydrated alumina (Al2O3) or silica (SiO2) oxides, thus allowing the target heptanoids obtained in high yields as an amorphous powder to be filtered off directly from the reaction media. Furthermore, crystallization instead of chromatographic procedures provides a straightforward purification step. The ease and efficiency with which the present methodology can be applied to synthesizing the title compounds earns the terms "click" and "unclick" applied to describe particularly straightforward, efficient reactions. Furthermore, the methodology offers a simple, versatile, fast, and economical synthetic alternative for the obtention of curcumin (85% yield), bis-demethoxycurcumin (78% yield), and the symmetrical heterocyclic curcuminoids (80-92% yield), in pure form and excellent yields.
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Four-Coordinate Monoboron Complexes with 8-Hydroxyquinolin-5-Sulfonate: Synthesis, Crystal Structures, Theoretical Studies, and Luminescence Properties. CRYSTALS 2022. [DOI: 10.3390/cryst12060783] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
8-Hydroxyquinolin-5-sulfonic acid (8HQSA) was combined with 3-pyridineboronic acid (3PBA) or 4-pyridineboronic acid (4PBA) to give two zwitterionic monoboron complexes in crystalline form. The compounds were characterized by elemental analysis, single-crystal X-ray diffraction studies, and IR, 1H NMR, UV-Visible, and luminescence spectroscopy. The analyses revealed compounds with boron atoms adopting tetrahedral geometry. In the solid state, the molecular components are linked by charge-assisted (B)(O-H···−O(S) and N+-H···O(S) hydrogen bonds aside from C-H···O contacts and π···π interactions, as shown by Hirshfeld surface analyses and 2D fingerprint plots. The luminescence properties were characterized in terms of the emission behavior in solution and the solid state, showing emission in the bluish-green region in solution and large positive solvatofluorochromism, caused by intramolecular charge transfer. According to TD-DFT calculations at the M06-2X/6-31G(d) level of theory simulating an ethanol solvent environment, the emission properties are originated from π-π * and n-π * HOMO-LUMO transitions.
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Stepanova VA, Guerrero A, Schull C, Christensen J, Trudeau C, Cook J, Wolmutt K, Blochwitz J, Ismail A, West JK, Wheaton AM, Guzei IA, Yao B, Kubatova A. Hybrid Synthetic and Computational Study of an Optimized, Solvent-Free Approach to Curcuminoids. ACS OMEGA 2022; 7:7257-7277. [PMID: 35252716 PMCID: PMC8892666 DOI: 10.1021/acsomega.1c07006] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
A green and optimized protocol has been developed for the preparation of symmetric 1,7-bis(aryl)-1,6-heptadiene-3,5-diones and asymmetric 2-aryl-6-arylidenecyclohexanones with modified substrate scope and good functional group tolerance. Syntheses proceed smoothly under solvent-free conditions, providing moderate to excellent product yields with a minimal workup procedure. Control experiments, spectroscopic, and computational studies support a mechanism involving the boron-assisted in situ generation of imine intermediates. Crystal structures of three curcuminoids and isolated mechanistic intermediates are reported. The data provide insight for the further development of solvent-free protocols toward diverse curcumin derivatives in the fields of pharmaceutical and synthetic chemistries.
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Affiliation(s)
- Valeria A. Stepanova
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Andres Guerrero
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Cullen Schull
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Joshua Christensen
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Claire Trudeau
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Joshua Cook
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Kyle Wolmutt
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Jordan Blochwitz
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Abdelrahman Ismail
- Department
of Chemistry and Biochemistry, University
of Wisconsin La Crosse, 1725 State Street, La Crosse, Wisconsin 54601, United States
| | - Joseph K. West
- Department
of Chemistry, Winona State University, 175 West Mark Street, Winona, Minnesota 55987, United States
| | - Amelia M. Wheaton
- Department
of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Ilia A. Guzei
- Department
of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Bin Yao
- Department
of Chemistry, University of North Dakota, 151 Cornell Street, Grand Forks, North Dakota 58202, United States
| | - Alena Kubatova
- Department
of Chemistry, University of North Dakota, 151 Cornell Street, Grand Forks, North Dakota 58202, United States
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