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Gómez E, Galván-Hidalgo JM, Pérez-Cuéllar G, Huerta-Landa KA, González-Hernández A, Gómez-García O, Andrade-Pavón D, Ramírez-Apan T, Rodríguez Hernández KD, Hernández S, Cano-Sánchez P, Gómez-Velasco H. New Organotin (IV) Compounds Derived from Dehydroacetic Acid and Thiosemicarbazides: Synthesis, Rational Design, Cytotoxic Evaluation, and Molecular Docking Simulation. Bioinorg Chem Appl 2023; 2023:7901843. [PMID: 37920233 PMCID: PMC10620030 DOI: 10.1155/2023/7901843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/17/2023] [Accepted: 10/06/2023] [Indexed: 11/04/2023] Open
Abstract
Organotin complexes were prepared through a one-pot reaction with three components by reacting thiosemicarbazide or 4-methyl-3-thiosemicarbazide or 4-phenylthiosemicarbazide, dehydroacetic acid (DHA) and dibutyl, diphenyl, dicyclohexyl, and bis[(trimethylsilyl)methyl]tin(IV) oxides; all complexes were characterized by infrared (IR), ultraviolet-visible (UV-vis), mass spectrometry (MS), and nuclear magnetic resonance (NMR) spectroscopy. The 119Sn NMR revealed chemical shifts corresponding to a pentacoordinated environment in solution. The X-ray crystallography of the two complexes evidenced the formation of monomeric complexes with a pentacoordinated geometry around tin via three donor atoms from the ligand, the sulfur of the thiol, the nitrogen of the imine group, and the oxygen of the pyran ring. The geometries of the five-coordinated complexes 3a (Bu2SnL3), 3c (Ph2SnL3), and 3d (Cy2SnL3) acid were intermediate between square pyramidal and trigonal bipyramidal, and complex 1a (Bu2SnL1) adopted a bipyramidal trigonal geometry (BPT). The sulforhodamine B assay assessed the cytotoxicity of organotin(IV) complexes against the MDA-MB-231 and MCF-7 (human mammary adenocarcinoma) cell lines and one normal COS-7 (African green monkey kidney fibroblast). The IC50 values evidenced a significant antiproliferative effect on cancer cells; the complexes were more potent than the positive cisplatin control and the corresponding ligands, dehydroacetic acid thiosemicarbazone (L1), dehydroacetic acid-N(4)-methylthiosemicarbazone (L2), and dehydroacetic acid-N(4)-phenylthiosemicarbazone (L3). The IC50 values also indicated that the organotin(IV) complexes were more cytotoxic against the triple-negative breast cell line MDA-MB-231 than MCF-7, inducing significant morphological alterations. The interactions of organotin(IV) 1c (Ph2SnL1), 1d (Cy2SnL1), and 1e (((CH3)3SiCH2)2SnL1) were evaluated with ss-DNA by fluorescence; intensity changes of the fluorescence were indicative of the displacement of ethidium bromide (EB), confirming the interaction of the organotin(IV) complexes with ss-DNA; the results showed a DNA binding affinity. The thermodynamic parameters obtained through isothermal titration calorimetry showed that the interaction of 1c (Ph2SnL1), with ss-ADN, was exothermic. Molecular docking studies also demonstrated that the organotin(IV) complexes were intercalated in DNA by conventional hydrogen bonds, carbon-hydrogen bonds, and π-alkyl interactions. These complexes furthermore showed a greater affinity towards DNA than cisplatin.
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Affiliation(s)
- Elizabeth Gómez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - José Miguel Galván-Hidalgo
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Guillermo Pérez-Cuéllar
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Karoline Alondra Huerta-Landa
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Arturo González-Hernández
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Omar Gómez-García
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás 11340, Ciudad de México, Mexico
| | - Dulce Andrade-Pavón
- Departamento Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Colonia Santo Tomás 11340, Ciudad de México, Mexico
- Departamento Fisiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu 399, Colonia Nueva Industrial Vallejo 07738, Ciudad de México, Mexico
| | - Teresa Ramírez-Apan
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Karla Daniela Rodríguez Hernández
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Simón Hernández
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Patricia Cano-Sánchez
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
| | - Homero Gómez-Velasco
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Alcaldía Coyoacán, C. P. 04510, Ciudad de México, Mexico
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Dithiocarbazate Ligand-Based Cu(II), Ni(II), and Zn(II) Complexes: Synthesis, Structural Investigations, Cytotoxicity, DNA Binding, and Molecular Docking Studies. Bioinorg Chem Appl 2022; 2022:2004052. [PMID: 35959229 PMCID: PMC9357781 DOI: 10.1155/2022/2004052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 06/16/2022] [Accepted: 06/25/2022] [Indexed: 11/29/2022] Open
Abstract
S-4-methylbenzyl-β-N-(2-methoxybenzylmethylene)dithiocarbazate ligand, 1, prepared from S-(4-methylbenzyl)dithiocarbazate, was used to produce a novel series of transition metal complexes of the type, [M (L)2] [M = Cu(II) (2), Ni(II) (3), and Zn(II) (4), L = 1]. The ligand and its complexes were investigated by elemental analysis, FTIR, 1H and 13C-NMR, MS spectrometry, and molar conductivity. In addition, single X-ray crystallography was also performed for ligand, 1, and complex 3. The Hirshfeld surface analyses were also performed to know about various bonding interactions in the ligand, 1, and complex 3. The investigated compounds were also tested to evaluate their cytotoxic behaviour. However, complex 2 showed promising results against MCF-7 and MDA-MB-213 cancer cell lines. Furthermore, the interaction of CT-DNA with ligand, 1, and complex 2 was also studied using the electronic absorption method, revealing that the compounds have potential DNA-binding ability via hydrogen bonding and hydrophobic and van der Waals interactions. A molecular docking study of complex 2 was also carried out, which revealed that free binding free energy value was −7.39 kcal mol−1.
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Ramachandran E, Gandin V, Bertani R, Sgarbossa P, Natarajan K, Bhuvanesh NSP, Venzo A, Zoleo A, Mozzon M, Dolmella A, Albinati A, Castellano C, Reis Conceição N, C. Guedes da Silva MF, Marzano C. Synthesis, Characterization and Biological Activity of Novel Cu(II) Complexes of 6-Methyl-2-Oxo-1,2-Dihydroquinoline-3-Carbaldehyde-4n-Substituted Thiosemicarbazones. Molecules 2020; 25:E1868. [PMID: 32316698 PMCID: PMC7221752 DOI: 10.3390/molecules25081868] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/11/2020] [Accepted: 04/13/2020] [Indexed: 02/06/2023] Open
Abstract
Three new 6-methyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde-thiosemicarbazones-N-4-substituted pro-ligands and their Cu(II) complexes (1, -NH2; 2, -NHMe; 3, -NHEt) have been prepared and characterized. In both the X-ray structures of 1 and 3, two crystallographically independent complex molecules were found that differ either in the nature of weakly metal-binding species (water in 1a and nitrate in 1b) or in the co-ligand (water in 3a and methanol in 3b). Electron Paramagnetic Resonance (EPR) measurements carried out on complexes 1 and 3 confirmed the presence of such different species in the solution. The electrochemical behavior of the pro-ligands and of the complexes was investigated, as well as their biological activity. Complexes 2 and 3 exhibited a high cytotoxicity against human tumor cells and 3D spheroids derived from solid tumors, related to the high cellular uptake. Complexes 2 and 3 also showed a high selectivity towards cancerous cell lines with respect to non-cancerous cell lines and were able to circumvent cisplatin resistance. Via the Transmission Electron Microscopy (TEM) imaging technique, preliminary insights into the biological activity of copper complexes were obtained.
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Affiliation(s)
- Eswaran Ramachandran
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
- Chemistry Research Center, National Engineering College, K. R. Nagar, Kovilpatti, Tamilnadu 628503, India
| | - Valentina Gandin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
| | - Roberta Bertani
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Paolo Sgarbossa
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Karuppannan Natarajan
- Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, Tamil Nadu 641020, India
| | | | - Alfonso Venzo
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy; (A.V.); (A.Z.)
| | - Alfonso Zoleo
- Department of Chemical Sciences, University of Padova, 35131 Padova, Italy; (A.V.); (A.Z.)
| | - Mirto Mozzon
- Department of Industrial Engineering, University of Padova, 35131 Padova, Italy; (E.R.); (R.B.); (M.M.)
| | - Alessandro Dolmella
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
| | - Alberto Albinati
- Department of Chemistry, University of Milan, 20133 Milan, Italy; (A.A.); (C.C.)
| | - Carlo Castellano
- Department of Chemistry, University of Milan, 20133 Milan, Italy; (A.A.); (C.C.)
| | - Nuno Reis Conceição
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.C.); (M.F.C.G.d.S.)
| | - M. Fátima C. Guedes da Silva
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal; (N.R.C.); (M.F.C.G.d.S.)
| | - Cristina Marzano
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, 35131 Padova, Italy; (V.G.); (A.D.); (C.M.)
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Lin Y, An W, Ge X, Liu M, Wang Y, Liu X, Tian L. Synthesis, characterization and cytotoxic activity of diorganotin complexes with Schiff base derived from salicylaldehyde and l-tyrosine. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1584796] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Yichao Lin
- Key Laboratory of Natural Products and Pharmaceutical Intermediates, Qufu Normal University, Qufu, China
| | - Wugai An
- Key Laboratory of Natural Products and Pharmaceutical Intermediates, Qufu Normal University, Qufu, China
| | - Xingxing Ge
- Institute of Anticancer Agents Development, Qufu Normal University, Qufu, China
| | - Mingzhu Liu
- Key Laboratory of Natural Products and Pharmaceutical Intermediates, Qufu Normal University, Qufu, China
| | - Yue Wang
- Key Laboratory of Natural Products and Pharmaceutical Intermediates, Qufu Normal University, Qufu, China
| | - Xicheng Liu
- Institute of Anticancer Agents Development, Qufu Normal University, Qufu, China
| | - Laijin Tian
- Key Laboratory of Natural Products and Pharmaceutical Intermediates, Qufu Normal University, Qufu, China
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