Synthesis, characterization, and cytotoxic activity of copper(II) and platinum(II) complexes of 2-benzoylpyrrole and X-ray structure of bis[2-benzoylpyrrolato(N,O)]copper(II)

J Inorg Biochem. 2004 Dec;98(12):2071-9. doi: 10.1016/j.jinorgbio.2004.09.012.

Abstract

Copper(II) and platinum(II) complexes of 2-benzoylpyrrole (2-BZPH) were synthesized and characterized with IR, 1H and 13C NMR spectroscopies and coordination geometry with ligands arranged in transoid fashion. The crystal structure of [Cu(II)(2-BZP)2] was determined by X-ray diffraction. Death of complex treated Jurkat cells was measured by flow cytometry. The bis-chelate complexes [Cu(II)(2-BZP)2] and [Pt(II)(2-BZP)2] adopt square-planar coordination geometry with ligands, arranged in transoid fashion. Concentrations of 1-10 microM Platinum(II) complexes reduced cell survival from 100% to 20%, in contrast to the copper(II) complex which caused no cell death at a concentration of 10 microM. While the Pt(II) complexes may have damaged DNA to induce cell death, treatment with the Cu(II) complex did not induce Jurkat cell death.

Publication types

  • Comparative Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antineoplastic Agents / chemical synthesis*
  • Antineoplastic Agents / chemistry
  • Antineoplastic Agents / toxicity
  • Cell Death / drug effects
  • Cell Survival
  • Copper / chemistry*
  • Crystallography, X-Ray
  • Dose-Response Relationship, Drug
  • Flow Cytometry
  • Formazans / pharmacology
  • Humans
  • Hydrogen Bonding
  • Indicators and Reagents / pharmacology
  • Jurkat Cells
  • Ligands
  • Magnetic Resonance Spectroscopy
  • Molecular Conformation
  • Molecular Structure
  • Organometallic Compounds / chemical synthesis*
  • Organometallic Compounds / chemistry
  • Organometallic Compounds / toxicity
  • Platinum / chemistry*
  • Pyrroles / chemical synthesis*
  • Pyrroles / chemistry
  • Pyrroles / toxicity*
  • Spectrophotometry, Infrared

Substances

  • Antineoplastic Agents
  • Formazans
  • Indicators and Reagents
  • Ligands
  • Organometallic Compounds
  • Pyrroles
  • Platinum
  • Copper