Coordinating ability of ligands derived from phenylenediamines

Mederos, Alfredo; Domı́nguez, Sixto; Hernández-Molina, Rita; Sanchiz, Joaquı́n; Brito, Felipe

doi:10.1016/s0010-8545(99)00050-8

Cited by 54 publications

(27 citation statements)

References 146 publications

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“…The observed results can be due to these paradox effects. Addition of metal ions to the ligand solution cause appearance of new or shifted peaks (red shift) in the spectrum due to the coordination of metal ions with imines nitrogen and phenolic oxygen [41] and lead to formation of ML, ML2 or M2L [42][43][44][45]. The isosbestic points can predict the numbers of equations in solution.…”

Section: Resultsmentioning

confidence: 99%

Spectrophotometric study of complexation between a series of salophens and some transition metal ions in DMF solvent

Shokrollahi¹,

Ghaedi²,

Alipour³

et al. 2011

Eur. J. Chem.

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KEYWORDSThe complexation behaviour of some salophen,s derivatives with few transition and heavy metal cations in N,N'-dimethyl formamid as nonaqueous solvent at 25 o C and 0.05 M tetra ethylammonium perchlorate to investigate the effect of structure were studied by spectrophotometric method. The formation of complexes between ligands and metal ions of the types ML, ML2 or M2L was observed. The overall stability constants of such complexes were evaluated by computer refinement of absorption-mole ratio data using the KINFIT program.

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Section: Resultsmentioning

confidence: 99%

Spectrophotometric study of complexation between a series of salophens and some transition metal ions in DMF solvent

Shokrollahi¹,

Ghaedi²,

Alipour³

et al. 2011

Eur. J. Chem.

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“…In a such membrane the Schiff base complex Pb(II) can coordinate thorough both nitrogen and oxygen atoms. 30 …”

Section: Preparation Of Schiff Base Complex Ionophorementioning

confidence: 99%

A New Lead(II)-Selective PVC-Coated Graphite Rod Electrode Based on a Schiff Base Complex

2003

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“…1 There have been numerous reports of transition metal complexes containing N 2 O 2 -tetradentate ligands 2 (salen-type SB ligands), but only one report of complexes containing related ligands derived from Meldrum´s acid (MA) and phenylenediamines or with aliphatic 1,2-diamines 3 ( Figure 1). By structural analogy with salen complexes, these complexes are termed of 'melen complexes'.…”

Section: Introductionmentioning

confidence: 99%