Inner Complex Chelates. I. Analogs of Bisacetylacetoneethylenediimine and its Metal Chelates1,2

McCarthy, Paul J.; Hovey, Richard J.; Ueno, K.; Martell, Arthur E.

doi:10.1021/ja01627a011

Cited by 304 publications

(109 citation statements)

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“…The formations of these ligands are confirmed by microanalysis. The alternative formations of aliphatic Schiff bases arising from the condensations of 2,4-pentanedione/1-phenyl-1,3-butanedione and ethylenediamine is ruled out, since these products have been previously reported as straw and white-coloured, with melting points of 111-112 and 180.5 o C, respectively [24,25]. Consequently, the formation of the unsymmetrical analogues could be distinguished from the symmetrical bis(5-methoxy-2-hydroxy acetophenone)ethylenediimine by microanalytical data, since they have different molar masses.…”

Section: Resultsmentioning

confidence: 99%

Studies on some VO(IV), Ni(II) and Cu(II) complexes of non-symmetrical tetradentate Schiff-bases

Osowole

2008

Bull. Chem. Soc. Eth.

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1 (derived from condensation of 1-phenyl-1,3-butanedione/2,4-pentanedione, ethylenediamine and 5-methoxy-2-hydroxy acetophenone) is discussed. The metal complexes were characterized by elemental analysis, molar conductance, magnetic susceptibility, infrared and electronic spectral measurements. They are magnetically dilute, non-electrolytes in nitromethane. The ligands are tetradentately coordinating via the imine N and enolic O atoms, resulting in 5-coordinate square-pyramidal geometry for the VO(IV) complexes and 4-coordinate square-planar geometry for the Ni(II) and Cu(II) complexes. The assignment of geometry is supported by magnetic and spectral measurements.

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Section: Resultsmentioning

confidence: 99%

Studies on some VO(IV), Ni(II) and Cu(II) complexes of non-symmetrical tetradentate Schiff-bases

Osowole

2008

Bull. Chem. Soc. Eth.

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“…The pharmacological importance of imidazolones and imines are also reported [7][8][9][10] Bidentate complexes have been employed as catalyst for many reactions and as biological models in understanding the structure of bio-molecules and biological process 11,12 . They are increasingly important for designing metal complexes related to synthetic and natural oxygen carriers 13 . The real impetus towards developing their coordination chemistry was their physicochemical properties and significant biological activities 14,15 .…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characteristic, Catalytic and Antimicrobial activities of Imidazolo substituted Benzylidene imines with Ruthenium (III) complexes

Balasubramanian¹,

Raju²,

Chinnusamy³

2017

juc

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The synthesis and characterization of several Hexa -coordinated Ru(III) complexes of the type [RuCl(CO) (EPh 3 ) 2 (L)] (E = P or As ; L = monobasic bidentate anion) were reported. FTIR, Electronic, EPR, electrochemistry and catalytic activity of the complexes were discussed. An octahedral geometry has been tentatively proposed for all these complexes. The new complexes have been subjected to antimicrobial investigations are also discussed.

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“…The Schiff bases, N,N'-ethylenebis(acetylacetonimine) and N,N'-ethylenebis(benzoylacetonimine) were prepared by the method of Martell and his coworkers [5]. The cobalt complexes were prepared by modifications of the method of Everett and Holm [6].…”

Section: Preparation Of Complexesmentioning

confidence: 99%

Catalytic Oxygenation of 3-Methylindole by Co(II)-Schiff Base Planar Complexes

Nomiya

Wako

Komiyama

et al. 1979

Zeitschrift Für Naturforschung B

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AbstractN,N′-Ethylenebis(acetylacetoniminato)Co(II),Co(acacen),and N,N′-ethylenebis(benzoyl acetoniminato)Co(II), Co(bzacen), catalyze the oxygen incorporation into 3-methylindole to give o-formylaminoacetophenone selectively. The adducts formation process of three components, that is, substrate, planar cobalt complex and molecular oxygen, and the following catalytic oxygen incorporation process were confirmed by manometric measurements of oxygen uptake, gas-chromatographic analyses of products and electronic spectra of intermediate oxygen adducts. The mechanism was further justified by the study of 1H NMR spectra on overall reactions.

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Inner Complex Chelates. I. Analogs of Bisacetylacetoneethylenediimine and its Metal Chelates^1,2

Cited by 304 publications

References 0 publications

<b>Studies on some VO(IV), Ni(II) and Cu(II) complexes of non-symmetrical tetradentate Schiff-bases</b>

<b>Studies on some VO(IV), Ni(II) and Cu(II) complexes of non-symmetrical tetradentate Schiff-bases</b>

Synthesis, Characteristic, Catalytic and Antimicrobial activities of Imidazolo substituted Benzylidene imines with Ruthenium (III) complexes

Catalytic Oxygenation of 3-Methylindole by Co(II)-Schiff Base Planar Complexes

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