1
|
Equilibrium Studies on Pd(II)-Amine Complexes with Bio-Relevant Ligands in Reference to Their Antitumor Activity. Int J Mol Sci 2023; 24:ijms24054843. [PMID: 36902279 PMCID: PMC10003265 DOI: 10.3390/ijms24054843] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 01/05/2023] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
This review article presents an overview of the equilibrium studies on Pd-amine complexes with bio-relevant ligands in reference to their antitumor activity. Pd(II) complexes with amines of different functional groups, were synthesized and characterized in many studies. The complex formation equilibria of Pd(amine)2+ complexes with amino acids, peptides, dicarboxylic acids and DNA constituents, were extensively investigated. Such systems may be considered as one of the models for the possible reactions occurring with antitumor drugs in biological systems. The stability of the formed complexes depends on the structural parameters of the amines and the bio-relevant ligands. The evaluated speciation curves can help to provide a pictorial presentation of the reactions in solutions of different pH values. The stability data of complexes with sulfur donor ligands compared with those of DNA constituents, can reveal information regarding the deactivation caused by sulfur donors. The formation equilibria of binuclear complexes of Pd(II) with DNA constituents was investigated to support the biological significance of this class of complexes. Most of the Pd(amine)2+ complexes investigated were studied in a low dielectric constant medium, resembling that of a biological medium. Investigations of the thermodynamic parameters reveal that the formation of the Pd(amine)2+ complex species is exothermic.
Collapse
|
2
|
Yadav R, Naik RM. Kinetics and mechanism of formation of the complex [Ru(CN)5INH]3− through the ligand substitution reaction between the aquapentacyanoruthenate(II) anion and isoniazid. PROGRESS IN REACTION KINETICS AND MECHANISM 2019. [DOI: 10.1177/1468678319825737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The formation kinetics of the complex, [Ru(CN)5INH]3−, formed through the ligand substitution reaction between isoniazid (INH) and aquapentacyanoruthenate(II) ([Ru(CN)5H2O]3−), have been investigated, under pseudo first-order conditions, as a function of concentrations of [INH] and [Ru(CN)5H2O]3−, ionic strength and temperature at pH = 4.0 ± 0.02 in 0.2 M NaClO4 spectrophotometrically at 502 nm ( λmax of intense yellow colour product [Ru(CN)5INH]3−) corresponding to metal-to-ligand charge-transfer transitions, in aqueous medium. The pseudo first-order condition was maintained by taking at least 10% excess of [INH] over [Ru(CN)5H2O]3−. The stoichiometry of the reaction product was found to be 1:1 which was further supported and characterized using elemental analysis, infrared, nuclear magnetic resonance and mass spectrometric techniques. Thermodynamic and kinetic parameters have also been computed, using the Eyring equation, and the values of ΔH≠, Ea, ΔG≠ and ΔS≠ were found to be 47.3 kJ mol−1, 49.8 kJ mol−1, −8.62 kJ mol−1 and 187.6 J K−1mol−1, respectively. The reaction was found to obey first-order kinetics with respect to [INH]. It exhibited a negative salt effect on the rate upon variation of ionic strength of the medium. A tentative mechanistic scheme was proposed on the basis of experimental findings.
Collapse
Affiliation(s)
- Rupal Yadav
- Department of Chemistry, University of Lucknow, Lucknow, India
| | | |
Collapse
|
3
|
Nandi D, Karmakar P, Ray S, Chattopadhyay A, Sarkar(Sain) R, Ghosh AK. Kinetics and mechanism for ligand substitution reactions of some square-planar platinum(II) complexes: Stability and reactivity correlations. INORG NANO-MET CHEM 2018. [DOI: 10.1080/24701556.2017.1357594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Debabrata Nandi
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Parnajyoti Karmakar
- Department of Chemistry, Government General Degree College, Muragacha, Medgachi, Burdwan, West Bengal, India
| | - Sumon Ray
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | | | - Roshni Sarkar(Sain)
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| | - Alak K. Ghosh
- Department of Chemistry, The University of Burdwan, Burdwan, West Bengal, India
| |
Collapse
|
4
|
In vitro kinetic based adduct formation mechanism of a cytotoxic Pt(II) complex with sulfur containing bio-relevant molecules and a theoretical approach. Polyhedron 2017. [DOI: 10.1016/j.poly.2016.12.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
|
5
|
Mukherjee S, Reddy B. VP, Mitra I, Saha R, K. JCB, Reddy Dodda S, Linert W, Moi SC. In vitro model reaction of sulfur containing bio-relevant ligands with Pt(ii) complex: kinetics, mechanism, bioactivity and computational studies. RSC Adv 2015. [DOI: 10.1039/c5ra15740d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In vitrodrug reservoir model reactions of thiols with novel Pt(ii) complex were investigated in aqueous medium and the complex and its substituted products show remarkable anticancer property.
Collapse
Affiliation(s)
- Subhajit Mukherjee
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209
- India
| | | | - Ishani Mitra
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209
- India
| | - Rajnarayan Saha
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209
- India
| | | | | | - Wolfgang Linert
- Institute of Applied Synthetic Chemistry
- Vienna University of Technology
- Vienna
- Austria
| | - Sankar Ch. Moi
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209
- India
| |
Collapse
|
6
|
Karmakar P. The effect of σ-donation on the interactions of cis-diaqua(2-aminomethylpiperidine)platinum(II) complex with biomolecules in aqueous medium: synthesis, kinetic and mechanistic study. TRANSIT METAL CHEM 2014. [DOI: 10.1007/s11243-014-9832-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
|
7
|
Ray S, Sarkar (Sain) R, Chattopadhyay A, Ghosh AK. Kinetic and Mechanistic Aspects of Ligand Substitution on cis- Diaqua (cis-1,2-Diaminocyclohexane)Platinum(II) with Three Glycine-Containing Dipeptides. PROGRESS IN REACTION KINETICS AND MECHANISM 2014. [DOI: 10.3184/146867814x13981545064892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The kinetics of the interaction of glycyl-L-valine(L1-L′H), glycyl-L-isoleucine (L2-L′H) and glycyl-L-glutamine(L3-L′H) with cis-[Pt( cis-dach)(OH2)2]2+ (dach = 1,2-diaminocyclohexane) have been studied spectrophotometrically as a function of [ cis-[Pt( cis-dach)(OH2)2]2+], [ligand], pH and temperature at constant ionic strength, where the complex exists predominantly as the diaqua species and the dipeptides as a zwitterion. The substitution reactions show two consecutive steps: the initial is the ligand-assisted anation and the subsequent step is chelation. The activation parameters for both steps were evaluated using Eyring's equation. The low DL H1 ≠ and large negative value of Δ S1 ≠ as well as Δ H2 ≠ and Δ S2 ≠ indicate an associative mode of activation for both the aqua ligand substitution processes. The products of the reactions have been characterised using IR and ESI-mass spectroscopic analysis. The title complex is already established as an anticancer drug; but its reactivity with all biomolecules will confirm its therapeutic activity (i.e. its efficacy versus toxicity).
Collapse
Affiliation(s)
- Sumon Ray
- Department of Chemistry, The University of Burdwan, Burdwan 713104, India
| | | | | | - Alak K. Ghosh
- Department of Chemistry, The University of Burdwan, Burdwan 713104, India
| |
Collapse
|
8
|
Samanta A, Ghosh GK, Mitra I, Mukherjee S, K JCB, Mukhopadhyay S, Linert W, Moi SC. Ligand substitution reaction on a platinum(ii) complex with bio-relevant thiols: kinetics, mechanism and bioactivity in aqueous medium. RSC Adv 2014. [DOI: 10.1039/c4ra06137c] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Kinetics of the interaction between [Pt(pic)(H2O)2](ClO4)2and selected thiols has been studied in aqueous medium as a function of [complex], [thiol], pH and temperature at constant ionic strength.
Collapse
Affiliation(s)
- Avradeep Samanta
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209, India
| | - Goutam Kr. Ghosh
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209, India
| | - Ishani Mitra
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209, India
| | - Subhajit Mukherjee
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209, India
| | - Jagadeesh C. Bose K
- Department of Bio-Tech
- National Institute of Technology
- Durgapur-713209, India
| | - Sudit Mukhopadhyay
- Department of Bio-Tech
- National Institute of Technology
- Durgapur-713209, India
| | - Wolfgang Linert
- Institute of Applied Synthetic Chemistry
- Vienna University of Technology
- Vienna, Austria
| | - Sankar Ch. Moi
- Department of Chemistry
- National Institute of Technology
- Durgapur-713209, India
| |
Collapse
|
9
|
KARMAKAR P, RAY S, MALLICK S, BERA BK, MANDAL A, MONDAL S, GHOSH AK. Kinetics and mechanism of interaction of some bioactive ligands with cis-diaqua(cis-1,2-diaminocyclohexane)platinum(II) in aqueous medium. J CHEM SCI 2013. [DOI: 10.1007/s12039-013-0455-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
10
|
Karmakar P, Ray S, Mandal A, Mondal S, Mallick S, Bera BK, Ghosh AK. Mechanistic and Kinetic Investigations on the Interaction of Model Platinum(II) Complex With Ligands of Biological Significance in Reference to the Antitumor Activity. ACTA ACUST UNITED AC 2013. [DOI: 10.1080/15533174.2013.763272] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
| | - Sumon Ray
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| | - Arup Mandal
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| | - Subala Mondal
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| | - Subhasis Mallick
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| | - Biplab K. Bera
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| | - Alak K. Ghosh
- a Department of Chemistry , The University of Burdwan , Burdwan , India
| |
Collapse
|
11
|
Ghosh GK, Misra K, Linert W, Moi SC. Interaction of Glutathione With Cis-(2-Aminomethylpyridine)diaqua platinum(II) Perchlorate in Aqueous Medium: Their Kinetics and Mechanism. ACTA ACUST UNITED AC 2013. [DOI: 10.1080/15533174.2012.754760] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Goutam Kr. Ghosh
- a Department of Chemistry , National Institute of Technology , Durgapur , India
| | - Koyel Misra
- a Department of Chemistry , National Institute of Technology , Durgapur , India
| | - Wolfgang Linert
- b Institute of Applied Synthetic Chemistry , Vienna University of Technology , Vienna , Austria
| | - Sankar Chandra Moi
- a Department of Chemistry , National Institute of Technology , Durgapur , India
| |
Collapse
|
12
|
Karmakar P, Mallick S, Mondal S, Bera BK, Mandal A, Mukhopadhyay SK, Ghosh AK. Kinetics and mechanism of the interaction of adenosine with cis-diaqua(cis-1,2-diaminocyclohexane)platinum(II) perchlorate in aqueous medium. INT J CHEM KINET 2011. [DOI: 10.1002/kin.20549] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
13
|
Mechanistic aspects of ligand substitution on cis-diaqua(cis-1,2-diaminocyclohexane)platinum(II) by Glycine-l-Leucine. TRANSIT METAL CHEM 2010. [DOI: 10.1007/s11243-010-9411-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
|