European Journal of Chemistry 2019, 10(1), 37-44. doi:10.5155/eurjchem.10.1.37-44.1814

Synthesis, crystal structure and in vitro anticancer studies of two bis(8-quinolinolato-N,O)-platinum(II) complexes

Hong Chen (1,*) orcid , Mingguo Liu (2) orcid

(1) Key Laboratory of Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, P. R. China
(2) Hubei Key Laboratory of Natural Products Research and Development, College of Biological and Pharmaceutical Sciences, China Three Gorges University, Yichang 443002, P. R. China
(*) Corresponding Author

Received: 06 Nov 2018, Accepted: 18 Dec 2018, Published: 31 Mar 2019


Two bis(8-quinolinolato-N,O)-platinum(II) complexes, C18H12N2O2Pt (1) and C20H16N2O2Pt (2), were synthesized and characterized by FT-IR, elementary analysis and X-ray single crystal diffraction. Complex 1 crystallizes in monoclinic, space group P21/c with a = 9.3413(7), b = 10.3893(9), c = 14.8495(12) Å, β = 100.574(7)°, V = 1416.7(2) Å3. Complex 2 crystallizes in monoclinic, space group P21/n with a = 9.5115(11), b = 15.5692(18), c = 16.720(2) Å, β = 94.544(2)°, V = 2468.3(5) Å3. Intermolecular C-H···O hydrogen bonding interactions, as well as Pt···Pt and π-π stacking interactions, help to stabilize the crystal structures. The preliminary in vitro anticancer activity of complexes 1 and 2 and the corresponding ligands (L1 and L2) were investigated using human cervical (Hela) and hepatocellular carcinoma (Hep-G2) cancer cell lines. The platinum(II) complexes can greatly inhibit the cell proliferation and show stronger cytotoxic activities against the tested cancer cell lines than both ligands.


DFT calculations; Crystal structure; Anticancer activity; 8-Hydroxyquinoline; Platinum(II) complexes; 8-Hydroxy-2-methylquinoline

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DOI: 10.5155/eurjchem.10.1.37-44.1814

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How to cite

Chen, H.; Liu, M. Eur. J. Chem. 2019, 10(1), 37-44. doi:10.5155/eurjchem.10.1.37-44.1814
Chen, H.; Liu, M. Synthesis, crystal structure and in vitro anticancer studies of two bis(8-quinolinolato-N,O)-platinum(II) complexes. Eur. J. Chem. 2019, 10(1), 37-44. doi:10.5155/eurjchem.10.1.37-44.1814
Chen, H., & Liu, M. (2019). Synthesis, crystal structure and in vitro anticancer studies of two bis(8-quinolinolato-N,O)-platinum(II) complexes. European Journal of Chemistry, 10(1), 37-44. doi:10.5155/eurjchem.10.1.37-44.1814
Chen, Hong, & Mingguo Liu. "Synthesis, crystal structure and in vitro anticancer studies of two bis(8-quinolinolato-N,O)-platinum(II) complexes." European Journal of Chemistry [Online], 10.1 (2019): 37-44. Web. 21 Oct. 2019
Chen, Hong, AND Liu, Mingguo. "Synthesis, crystal structure and in vitro anticancer studies of two bis(8-quinolinolato-N,O)-platinum(II) complexes" European Journal of Chemistry [Online], Volume 10 Number 1 (31 March 2019)

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