Results 11 to 20 of about 95,990 (357)

Mono and binuclear cobalt(II) mixed ligand complexes containing 1,10-phenanthroline and adenine using 1,3-diaminopropane as a spacer: synthesis, characterization, and antibacterial activity investigations

open access: yesFuture Journal of Pharmaceutical Sciences, 2020
Background Coordination compounds, in particular cobalt(II) mixed ligand complexes containing 1,10-phenantroline, have drawn the attention of many investigators as some of them are showing antimicrobial activities.
Atakilt Abebe   +5 more
doaj   +1 more source

Influence of d-Electron Divalent Metal Ions in Complex Formation with L-Tartaric and L-Malic Acids

open access: yesMolecules, 2021
Binary complexes of α-hydroxy acids (L-Tartaric acid and L-Malic acid) with d-electron metal ions (copper, cobalt, nickel) were investigated. Potentiometric measurements have been performed in aqueous solution with computer analysis of the data for ...
Michał Zabiszak   +6 more
doaj   +1 more source

Complexes cobalt(II), zinc(II) and copper(II) with some newly synthesized benzimidazole derivatives and their antibacterial activity [PDF]

open access: yesJournal of the Serbian Chemical Society, 1999
The preparation and properties of some complexes of cobalt(II), zinc(II) and copper(II) with several newly synthesized benzimidazole derivatives (L) are reported. The complexes, of the general formula [MCl2L2] (M=Co(II), Zn(II)) and [CuCl2L(H2O]), have a
S. O. PODUNAVAC-KUZMANOVIC   +4 more
doaj   +2 more sources

Visible and Infrared Spectroelectrochemistry of Cobalt Porphinones and Porphinediones [PDF]

open access: yes, 2012
The visible and infrared spectroelectrochemistry of the redox chemistry of CoII–porphinone complexes were examined and compared with similar studies of the respective iron complexes.
Ryan, Michael D., Tutunea, Florentina
core   +2 more sources

Antimicrobial activity of cobalst(II) complexes with 2-aminobenzimidazole derivatives [PDF]

open access: yesActa Periodica Technologica, 2004
Cobalt(II) chloride reacts with 2-aminobenzimidazole derivatives to give complexes of the formula [CoL2Cl2], where L=2-aminobenzimidazole 1-benzyl-2-aminobenzimidazole and 1-(4-methylbenzyl)-2-aminobenzimidazole.
Podunavac-Kuzmanović Sanja O.   +2 more
doaj   +1 more source

Heterodinuclear ruthenium(II)-cobalt(III) complexes as models for a new approach to selective cancer treatment [PDF]

open access: yes, 2012
Heterodinuclear ruthenium(ii)-cobalt(iii) complexes have been prepared as part of investigations into a new approach to selective cancer treatment. A cobalt(iii) centre bearing amine ligands, which serve as models for cytotoxic nitrogen mustard ligands ...
Alan M. Downward   +43 more
core   +1 more source

Synthesis, Characterization and Biological Activities of a New 5-Chloroisatin Schiff Base and its Metal Complexes [PDF]

open access: yes, 2013
Copper(II), cobalt(II), nickel(II) and zinc(II) complexes of 5-chloroisatin Schiff base (L) (L= Schiff base derived from 5-chloroisatin and 2-methyl-4- nitro aniline) were synthesized and characterized.
Mahendra, K.N.   +2 more
core   +1 more source

Synthesis, structural and spectral studies of 5-methyl 2-furaldehyde thiosemicarbazone and its Co, Ni, Cu and Cd complexes [PDF]

open access: yes, 2001
The reaction of cobalt, nickel, copper and cadmium chlorides and bromides with 5-methylfurfural thiosemicarbazone (M5FTSC) leads to the formation of two series of new complexes: [M(M5FTSC)2X2], [M(M5FTSC)X2]. They have been characterized by spectroscopic
A. Riou   +4 more
core   +3 more sources

Equilibria in Aqueous Cobalt(II)—Reduced Schiff Base N-(2-hydroxybenzyl)alanine System: Chemical Characterization, Kinetic Analysis, Antimicrobial and Cytotoxic Properties

open access: yesMolecules, 2020
The present study describes the coordination properties of a reduced Schiff base, N-(2-hydroxybenzyl)alanine, towards cobalt(II) using potentiometric as well as spectroscopic (UV-Vis and ESI-MS) methods.
Magdalena Woźniczka   +9 more
doaj   +1 more source

Dynamics of ligand substitution in labile cobalt complexes resolved by ultrafast T-jump [PDF]

open access: yes, 2008
Ligand exchange of hydrated metal complexes is common in chemical and biological systems. Using the ultrafast T-jump, we examined this process, specifically the transformation of aqua cobalt (II) complexes to their fully halogenated species.
A. H. Zewail   +9 more
core   +2 more sources

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