Synthesis, characterization and antimicrobial activity of Pd(II) and Fe(III) complexes with ethyl (2E)-2-[2-(diphenylphosphino)benzylidene]hydrazinecarboxylate
Synthesis, characterisation and biological activity of Co(III) complex with the condensation product of 2-(diphenylphosphino)benzaldehyde and ethyl carbazate
摘要:
A cobalt(III) complex with the condensation derivative of 2-(diphenylphosphino) benzaldehyde and ethyl carbazate was synthesized. X-ray crystal structure was determined for both the ligand and the complex. In the cobalt(III) complex two deprotonated ligand molecules coordinate the metal atom in a distorted octahedral geometry by chelation through the PNO donor system formed by the phosphorus, the imine nitrogen and the carbonyl oxygen. The complex showed a moderate antibacterial activity and a strong cytotoxic activity, stronger than cisplatin. Based on cell cycle progression, apoptotic assays, spectroscopic and electrophoretic studies, it was shown that high cytotoxicity and moderate potential of induction of apoptosis are not consequence of interactions with DNA. (C) 2012 Elsevier B. V. All rights reserved.
Synthesis, characterization and biological activity of three square-planar complexes of Ni(II) with ethyl (2E)-2-[2-(diphenylphosphino)benzylidene]hydrazinecarboxylate and monodentate pseudohalides
Three square-planar complexes of nickel(II) with the tridentate condensation derivative of 2-(diphenylphosphino)benzaldehyde and ethyl carbazate, and monodentate pseudohalides, have been synthesized. Their crystal structures have been determined. All the complexes showed a significant antifungal activity, while only the azido complex displayed antibacterial activity. All the complexes were cytotoxic to a panel of six tumor cell lines, the azido complex showing a similar activity as cisplatin to leukemia cell line K562 and lower toxicity to normal MRC-5 cells than that anticancer agent. The complexes interfered with cell cycle of tumor cells and induced plasmid DNA cleavage. (C) 2013 Elsevier Masson SAS. All rights reserved.
Synthesis, characterisation and biological activity of Co(III) complex with the condensation product of 2-(diphenylphosphino)benzaldehyde and ethyl carbazate
A cobalt(III) complex with the condensation derivative of 2-(diphenylphosphino) benzaldehyde and ethyl carbazate was synthesized. X-ray crystal structure was determined for both the ligand and the complex. In the cobalt(III) complex two deprotonated ligand molecules coordinate the metal atom in a distorted octahedral geometry by chelation through the PNO donor system formed by the phosphorus, the imine nitrogen and the carbonyl oxygen. The complex showed a moderate antibacterial activity and a strong cytotoxic activity, stronger than cisplatin. Based on cell cycle progression, apoptotic assays, spectroscopic and electrophoretic studies, it was shown that high cytotoxicity and moderate potential of induction of apoptosis are not consequence of interactions with DNA. (C) 2012 Elsevier B. V. All rights reserved.
Synthesis, characterization and antimicrobial activity of Pd(II) and Fe(III) complexes with ethyl (2E)-2-[2-(diphenylphosphino)benzylidene]hydrazinecarboxylate