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Design, synthesis and biological evaluation of demethylcantharidate-linked platinum(II) complexes of N-monoalkyl-1R,2R-diaminocyclohexane derivatives. Inorganica Chim Acta 2017. [DOI: 10.1016/j.ica.2017.03.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Pradeep Kumar M, Vamsikrishna N, Ramesh G, Subhashini NJP, Nanubolu JB, Shivaraj. Cu(II) complexes with 4-amino-3,5-dimethyl isoxazole and substituted aromatic aldehyde Schiff bases: synthesis, crystal structure, antimicrobial activity, DNA binding and cleavage studies. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1292503] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
| | | | - Gali Ramesh
- Department of Chemistry, Osmania University, Hyderabad, India
| | - N. J. P. Subhashini
- Department of Chemistry, University College of Technology, Osmania University, Hyderabad, India
| | - Jagadeesh Babu Nanubolu
- Department of Centre for X-ray Crystallography, Indian Institute of Chemical Technology, Hyderabad, India
| | - Shivaraj
- Department of Chemistry, Osmania University, Hyderabad, India
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Cardoso JMS, Correia I, Galvão AM, Marques F, Carvalho MFNN. Synthesis of Ag(I) camphor sulphonylimine complexes and assessment of their cytotoxic properties against cisplatin-resistant A2780cisR and A2780 cell lines. J Inorg Biochem 2016; 166:55-63. [PMID: 27835775 DOI: 10.1016/j.jinorgbio.2016.11.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Revised: 10/10/2016] [Accepted: 11/03/2016] [Indexed: 12/24/2022]
Abstract
Camphorsulphonylimine complexes [Ag(NO3)(IL)2] (IL=C12H19N3SO2, 1) and [(AgNO3)2(IIL)] (IIL=C22H23N3SO2, 2) were synthesized and characterized by elemental analysis, spectroscopy (IR, NMR) and cyclic voltammetry. [Ag(NO3)(IL)2] crystalizes in the monoclinic C2 space group with a triangular geometry assuming a chalice-type shape. The anti-proliferative properties of the new complexes 1 and 2 and those of the previously reported [Ag(NO3)(IIIL)] (IIIL=C16H18N3SO2, 3) were assessed against the human ovarian cancer cells (cisplatin-sensitive A2780, cisplatin-resistant A2780cisR) and the non-tumoral human HEK 293 cell line, using the MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay. The NR (3-amino-7-dimethylamino-2-methylphenazine hydrochloride) assay was alternatively used to assess the cytotoxicity on the A2780 cells. Results from the MTT assay (48h exposure) show that the complexes display IC50 values lower (by at least one order of magnitude) than cisplatin, while the cytotoxicity of AgNO3 is of the same order of cisplatin. The camphorsulphonylimine ligands display irrelevant (IL, IIIL) or no cytotoxicity (IIL). The highest cytotoxicity (lower IC50) was found for [(AgNO3)2(IIL)]. The binding ability of the complexes to calf thymus-deoxyribonucleic acid (CT-DNA) was studied by fluorescence. Constants (Ksv, Ka) and the number (n) of binding centres to DNA were calculated showing that DNA intercalation possibly occurs in the cases of complexes 2 and 3, while a more complicated process operates for 1. As expected from the cytotoxicity, [(AgNO3)2(IIL)] displays the highest binding affinity (Ka=1.61×105 M-1). No binding to DNA was detected for AgNO3 or IIL under the experimental conditions used. The binding trend to CT-DNA found by fluorescence was corroborated by cyclic voltammetry.
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Affiliation(s)
- João M S Cardoso
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal
| | - Isabel Correia
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal
| | - Adelino M Galvão
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal
| | - Fernanda Marques
- Centro de Ciências e Tecnologias Nucleares (C(2)TN), Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10 (km 139,7), 2695-066 Bobadela LRS, Portugal
| | - M Fernanda N N Carvalho
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1049-001, Lisboa, Portugal.
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Qin JL, Deng SP, Zhang YL, Yuan T, Li YB, Han HH, Liu YC, Chen ZF. Water Soluble Copper(II) and Zinc(II) Complexes of Mangiferin: Synthesis, Antitumour Activity and DNA Binding Studies. JOURNAL OF CHEMICAL RESEARCH 2016. [DOI: 10.3184/174751916x14757640445985] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The reactions of mangiferin (H-MF) with Cu(II) and Zn(II) yielded [Cu(MF)(OH)(H2O)]x5H2O and [Zn(MF)(OH)(H2O)]x4H2O. The MTT assay against four tumour cell lines revealed that the Cu complex generally showed higher in vitro cytotoxicity vs. free H-MF than the Zn complex, which may be due to the different bioactivities of Cu(II) and Zn(II). DNA binding studies of both complexes vs. H-MF indicated that they tended to bind intercalatively with DNA. Both complexes also exhibited topoisomerase I inhibition at 100 μM, which could be due to their DNA binding affinities.
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Affiliation(s)
- Jiao-Lan Qin
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
- Department of Materials Engineering, Baise Vocational College, Baise 533000, P.R. China
| | - Sheng-Ping Deng
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
| | - Yun-Liang Zhang
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
| | - Tao Yuan
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
- Department of Materials Engineering, Baise Vocational College, Baise 533000, P.R. China
| | - Ying-Bo Li
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
| | - Hong-Hua Han
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
| | - Yan-Cheng Liu
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
| | - Zhen-Feng Chen
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, P.R. China
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Li YL, Qin QP, Liu YC, Chen ZF, Liang H. A platinum(II) complex of liriodenine from traditional Chinese medicine (TCM): Cell cycle arrest, cell apoptosis induction and telomerase inhibition activity via G-quadruplex DNA stabilization. J Inorg Biochem 2014; 137:12-21. [DOI: 10.1016/j.jinorgbio.2014.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 04/01/2014] [Accepted: 04/02/2014] [Indexed: 01/02/2023]
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Song WJ, Cheng JP, Jiang DH, Guo L, Cai MF, Yang HB, Lin QY. Synthesis, interaction with DNA and antiproliferative activities of two novel Cu(II) complexes with Schiff base of benzimidazole. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 121:70-76. [PMID: 24220672 DOI: 10.1016/j.saa.2013.09.142] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 09/05/2013] [Accepted: 09/29/2013] [Indexed: 06/02/2023]
Abstract
Two novel copper(II) complexes with Schiff base of benzimidazole [Cu(L)Cl]2·CH3OH have been synthesized. HL(1) (N-(benzimidazol-2-ymethyl)-5-chlorosalicylideneimine, C15H11ClN3O) and HL(2) (N-(benzimidazol-2-ymethyl)-salicylideneimine, C15H12N3O) are ligands of complex (1) and complex (2), respectively. The complexes were characterized by elemental analysis, IR, UV-Vis, TGA and X-ray diffraction. Within the complexes, Cu(II) ions were four coordinated by two nitrogen atom of azomethine and imine, one phenolic oxygen atom from HL and one chloride atom. A distorted quadrilateral structure was formed. Complex (1) crystallized in the triclinic crystal system. Results showed that π-π stacking effect occurred due to the existence of aromatic ring from Schiff base and hydrogen bonding between methanol and adjacent atoms. The DNA binding properties of the complexes were investigated by electronic absorption spectra, fluorescence spectra and viscosity measurements. Results indicated that complexes bound to DNA via partial intercalation mode. The DNA binding constants Kb/(L mol(-1)) were 1.81×10(4) (1), 1.37×10(4) (2), 6.27×10(3) (HL(1)) and 3.14×10(3) (HL(2)) at 298 K. The title complexes could quench the emission intensities of EB-DNA system significantly. The results of agarose gel electrophoresis indicated complex (1) could cleave supercoiled DNA through the oxidative mechanism. The inhibition ratios revealed that complex (1) and HL(1) had strong antiproliferative activities against human breast cancer cells (MCF-7) lines and human colorectal cancer cells (COLO205) lines in vitro. The antiproliferative activities of complex (1) against MCF-7 lines (IC50=16.9±1.5 μmol L(-1)) and against COLO205 lines (IC50=16.5±3.4 μmol L(-1)) is much stronger than that of HL(1), which had the potential to develop anti-cancer drug.
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Affiliation(s)
- Wen-Ji Song
- Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University, Zhejiang 321004, PR China; College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Jian-Ping Cheng
- College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Dong-Hua Jiang
- College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Li Guo
- College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Meng-Fei Cai
- College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Hu-Bin Yang
- College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China
| | - Qiu-Yue Lin
- Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University, Zhejiang 321004, PR China; College of Chemical and Life Science, Zhejiang Normal University, Zhejiang 321004, PR China.
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Structural and vibrational analysis of copper(II) 1,3-benzothiazol-2-yl[imino(phenyl)methyl]azanide. J Mol Struct 2013. [DOI: 10.1016/j.molstruc.2013.01.056] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Sun Y, Xu G, Cao Z, Gou S. Synthesis and biological evaluation of platinum(II) complexes containing (1R,2R)-N1-alkyl-1,2-diaminocyclohexane and D-(+)-camphorate ligands. Inorganica Chim Acta 2013. [DOI: 10.1016/j.ica.2012.10.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Zhang F, Lin QY, Li SK, Zhao YL, Wang PP, Chen MM. Synthesis, interaction with DNA and bovine serum albumin of the transition metal complexes of demethylcantharate and 2-aminobenzothiazole. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2012; 98:436-443. [PMID: 22995471 DOI: 10.1016/j.saa.2012.08.074] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 08/17/2012] [Accepted: 08/24/2012] [Indexed: 06/01/2023]
Abstract
Four new transition metal complexes (Habtz)(2)[M(DCA)(2)]·6H(2)O (M=Co(II) (1), Ni(II) (2), Cu(II) (3), Zn(II) (4); DCA=demethylcantharate, 7-oxabicyclo [2.2.1]heptane-2,3-dicarboxylate, C(8)H(8)O(5); Habtz=2-aminobenzothiazole acid, C(7)H(7)N(2)S) were synthesized and characterized by elemental analysis, molar conductance, infrared spectra and thermogravimetric analysis. The coordination number of complex was six. The X-ray diffraction analysis indicated that complex 3 crystallized in the triclinic crystal system with P1¯ space group. The DNA-binding properties of the complexes were investigated by electronic absorption spectra, fluorescence spectra, viscosity measurements. Title complexes could bind to DNA via partial intercalative mode. The K(b) of the complexes were 5.33×10(4) (1), 7.04×10(4) (2), 9.91×10(4) (3) and 5.03×10(4) L mol(-1) (4). The results of agarose gel electrophoresis showed that Cu(II) complex could cleave pBR322 plasmid DNA via radical-based mechanism. The complexes could quench the intrinsic fluorescence of bovine serum albumin (BSA) through a static quenching with the binding constants K(a) of 1.11×10(4) (1), 1.24×10(6) (2), 8.42×10(5) (3) and 1.75×10(4) L mol(-1) (4). The complexes had intense antiproliferative activities against human hepatoma cell lines (SMMC7721) and human gastric cancer cells (MGC80-3) lines in vitro. Cu(II) complex had the strongest activity against human gastric cancer cells.
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Affiliation(s)
- Fan Zhang
- Zhejiang Key Laboratory for Reactive Chemistry on Solid Surfaces, Zhejiang Normal University, Jinhua 321004, PR China
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Chen ZF, Shi YF, Liu YC, Hong X, Geng B, Peng Y, Liang H. TCM Active Ingredient Oxoglaucine Metal Complexes: Crystal Structure, Cytotoxicity, and Interaction with DNA. Inorg Chem 2012; 51:1998-2009. [DOI: 10.1021/ic200443p] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Zhen-Feng Chen
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Yan-Fang Shi
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Yan-Cheng Liu
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Xue Hong
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Bo Geng
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Yan Peng
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
| | - Hong Liang
- State Key Laboratory Cultivation Base for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Chemical Engineering, Guangxi Normal University, Guilin, 541004, China
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Antioxidant Activities of Plumbagin and Its Cu (II) Complex. Bioinorg Chem Appl 2011; 2011:898726. [PMID: 22046145 PMCID: PMC3199187 DOI: 10.1155/2011/898726] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2011] [Accepted: 08/19/2011] [Indexed: 11/17/2022] Open
Abstract
Plumbagin and its Cu (II) complex [Cu (plumbagin)(2)]·H(2)O have been synthesized, and their antioxidant activities towards the inhibitory effect on DPPH free radical, reducing power, total antioxidant capacity, and inhibition on lipid peroxidation were investigated. Plumbagin and its Cu (II) complex were found to exhibit scavenging activities on DPPH radical with the inhibitory rate of 41% and 24%, respectively. The reducing power of plumbagin was outstanding at the concentrations of 1.0, 1.5, and 2.0 mg/mL, compared to Cu (II) complex and synthetic antioxidant 2,6-di-ter-butyl-4-methylphenol (BHT); the highest level reached 1.333 for plumbagin and 0.581 for Cu (II) complex. Also, the inhibition on lipid peroxidation of plumbagin was higher than that of Cu (II) complex and BHT, 46.4% for plumbagin and 24.5% for Cu (II) complex. The results give a strong impact for designing anticancer drugs, combined with their potential cytotoxic and antioxidant activities, which can be targeted selectively against cancer cells and increase their therapeutic index and additional advantages over other anticancer drugs.
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Chen ZF, Liu YC, Peng Y, Hong X, Wang HH, Zhang MM, Liang H. Synthesis, characterization, and in vitro antitumor properties of gold(III) compounds with the traditional Chinese medicine (TCM) active ingredient liriodenine. J Biol Inorg Chem 2011; 17:247-61. [DOI: 10.1007/s00775-011-0846-z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2011] [Accepted: 09/03/2011] [Indexed: 12/12/2022]
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Antitumor activities and interaction with DNA of oxaliplatin-type platinum complexes with linear or branched alkoxyacetates as leaving groups. J Inorg Biochem 2011; 105:1095-101. [DOI: 10.1016/j.jinorgbio.2011.05.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Revised: 05/11/2011] [Accepted: 05/11/2011] [Indexed: 11/20/2022]
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Liu YC, Chen ZF, Liu LM, Peng Y, Hong X, Yang B, Liu HG, Liang H, Orvig C. Divalent later transition metal complexes of the traditional chinese medicine (TCM) liriodenine: coordination chemistry, cytotoxicity and DNA binding studies. Dalton Trans 2009:10813-23. [DOI: 10.1039/b912553a] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chen ZF, Liu YC, Liu LM, Wang HS, Qin SH, Wang BL, Bian HD, Yang B, Fun HK, Liu HG, Liang H, Orvig C. Potential new inorganic antitumour agents from combining the anticancer traditional Chinese medicine (TCM) liriodenine with metal ions, and DNA binding studies. Dalton Trans 2009:262-72. [DOI: 10.1039/b813363h] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Pyrgiotakis G, Bhowmick TK, Finton K, Suresh AK, Kane SG, Bellare JR, Moudgil BM. Cell (A549)-particle (Jasada Bhasma) interactions using Raman spectroscopy. Biopolymers 2008; 89:555-64. [PMID: 18253947 DOI: 10.1002/bip.20947] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Current methods for the evaluation of cell interactions with particles are nonspecific, slow, and invasive to the cells. Raman spectroscopy is a noninvasive technique, and is used in the present study to investigate particle-cell interactions. The main focus of the present study is to employ Raman spectroscopy for investigating the interaction of human lung adenocarcinoma cell line (A549) with the particulate system Jasada Bhasma, a traditional Indian medicine. Jasada Bhasma is a unique preparation of zinc and is traditionally used for the treatment of various diseases like diabetes, age-related eye diseases, and as a health promotional tonic. The Raman spectral analysis is executed by identifying the difference in intracellular DNA/RNA, and proteins and lipids concentration between particles--treated and untreated cells. Comparison between Bhasma-treated and -untreated cells indicates that vibrational peaks corresponding to the DNA/RNA molecule show a significant increase in cells treated with the Jasada Bhasma. Apart from the DNA molecule, several other vibrational peaks related to the protein molecules also show a significant increase in A549 cells after treatment with Bhasma. These results indicate that Bhasma treatment of A549 possibly delays DNA degradation and enables retention of higher amount of protein molecules in the cells.
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Affiliation(s)
- G Pyrgiotakis
- Particle Engineering Research Center, University of Florida, Gainesvilla, Florida, USA
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Chen XZ, Ye QS, Lou LG, Xie MJ, Liu WP, Yu Y, Hou SQ. Synthesis and Cytotoxicity of Platinum(II) Complexes of a Physiologically Active Carrier Histamine. Arch Pharm (Weinheim) 2008; 341:132-6. [DOI: 10.1002/ardp.200700155] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Syntheses and structural comparisons of two copper(II) complexes with the same formula having d-(+)- and d,l-1,2,2-trimethylcyclopentane-1,3-diamine ligands. J Mol Struct 2007. [DOI: 10.1016/j.molstruc.2006.11.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Zhu H, Cui K, Wang L, Gou S. Synthesis and in vitro cytotoxicity of novel hydrophilic chiral 2-alkoxy-1,4-butanediamine platinum (II) complexes. Bioorg Med Chem Lett 2005; 15:4936-43. [PMID: 16169720 DOI: 10.1016/j.bmcl.2005.08.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2005] [Revised: 07/23/2005] [Accepted: 08/06/2005] [Indexed: 11/23/2022]
Abstract
Twenty-six new hydrophilic chiral 2-alkoxy-1,4-butanediamine platinum (II) complexes having a seven-membered ring structure between a bidentate carrier ligand and a platinum atom have been synthesized and most of them were evaluated for their in vitro cytotoxicity toward A549 human non-small cell lung carcinoma and HCT-116 human colon cancer cell lines. The cytotoxicities of platinum complexes are related to the nature of the carrier ligand and leaving group. Complex 5'b, viz. cis-dichloro[(2R)-ethoxy-1,4-butanediamine] platinum (II), exhibits the greatest potency among those 21 tested platinum complexes in both cell lines.
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Affiliation(s)
- Haibin Zhu
- State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China
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