Experimental and theoretical investigation of octahedral and square-planar isothiocyanato complexes of Ni(II) with acylhydrazones of 2-(diphenylphosphino)benzaldehyde

Čobeljić, Božidar; Pevec, Andrej; Stepanović, Srdjan; Spasojević, Vojislav; Milenković, Milica R.; Turel, Iztok; Swart, Marcel; Gruden, Maja; Adaila, Kawther; Anđelković, Katarina

doi:10.1016/j.poly.2015.01.024

Cited by 15 publications

(13 citation statements)

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“…The spatial rearrangement and sequence of donor atoms in the Girard T reagent hydrazones are similar to corresponding semicarbazones and acylhydrazones, and in many cases analogous coordination modes are observed . In some cases deprotonation of the Girard T reagent hydrazones has a significant influence on the geometry and stoichiometry of the complexes and the spin states of their metal ions, as was observed in the case of isothiocyanato Ni II complexes with the condensation product of 2‐(diphenylphosphanyl)benzaldehyde and the Girard T reagent . This microreview illustrates the versatility of structures and spin states of pseudohalide metal complexes with hydrazones of the Girard T reagent; this, however, is only a small part of the fascinating chemistry of pseudohalide metal complexes.…”

Section: Discussionmentioning

confidence: 51%

“…The reaction of HL 3 Cl EtOH ligand with Ni(BF 4 ) 2 · 6 H 2 O and KSCN in methanol is favored due to the precipitation of insoluble KBF 4 , which shifts the reaction equilibrium towards the formation of octahedral complex 5 . Also, formation of an infinite chain of complex and water molecules connected by hydrogen bonds stabilizes the octahedral structure of compound 5 in the solid state …”

Section: Pseudohalide Metal Complexes With Girard T Reagent Hydrazmentioning

confidence: 99%

“…That review also covers some pseudohalide metal complexes with Girard T reagent hydrazones reported up until 2012 , . In recent years our two research groups (K. Anđelković and co‐workers and I. Turel and co‐workers) have made significant contributions in research into coordination chemistry of pseudohalide metal complexes with Girard T reagent hydrazones . A summary of pseudohalide metal complexes with Girard T reagent hydrazones reported until now is given in Table .…”

Section: Introductionmentioning

confidence: 99%

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Molecular Structures and Spin‐States of Pseudohalide Metal Complexes with Hydrazones of Girard's T Reagent

et al. 2018

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Pseudohalide metal complexes with hydrazones of the Girard T reagent are reviewed with respect to their synthesis, characterization, structures (both in solution and in the solid state), and magnetic properties. It is hoped that this micro-[a] She is Chief of the Department of General and Inorganic Chemistry. Her main research interests are coordination and bioinorganic chemistry. The focus of her work in recent years has been investigations of structure-activity relationships of biologically active metal complexes and their possible applications. Iztok Turel is Professor of Inorganic Chemistry at the University of Ljubljana, Slovenia. He is (co)author of more than 110 publications, with a Hirsch index of 35. His main research interests are coordination and bioinorganic chemistry. His group focuses on interactions of biologically active ligands (quinolones, azoles, diketonates, hydrazones, hydroxyquinolines, pyrithione, etc) with metal ions. The focus of his work in recent years has been on ruthenium complexes and their applications (biological activity, catalysis). Eur. J. Inorg. Chem. 2018, 838-846 www.eurjic.org 840 Scheme 3. Structure of isothiocyanato iron(III) complex [Fe(L 1 )(NCS) 2 (H 2 O)] (1) with the condensation product of the Girard T reagent and 5-bromosalicylaldehyde (H 2 L 1 Cl). 841 high-spin state (μ eff = 5.81 μ B ) and acts as ordinary paramagnet down to 2 K. [27] Pseudohalide Metal Complexes with the Condensation Product of 3-Hydroxy-5-(hydroxymethyl)-2-methylpyridine-4-carboxaldehyde and the Girard T ReagentEur.

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Section: Discussionmentioning

confidence: 51%

Section: Pseudohalide Metal Complexes With Girard T Reagent Hydrazmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Molecular Structures and Spin‐States of Pseudohalide Metal Complexes with Hydrazones of Girard's T Reagent

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“…All isothiocyanate complexes of Ni(II) with condensation product of 2-(diphenylphosphino)benzaldehyde and Girard's T reagent were synthesized using the previously described method [20].…”

Section: Synthesis Of [Nil(ncs)]bf 4 [Nil(ncs)]scn and [Nihl(ncs) 3 ]mentioning

confidence: 99%

“…The reaction of and geometry of complexes. Coordination of ligand in deprotonated zwitter-ionic form results in formation of square-planar complexes, while coordination of monocationic form of undeprotonated ligand leads to octahedral geometry[20].…”

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confidence: 99%

Synthesis, crystal structures, and antimicrobial activity of square-planar chloride and isocyanate Ni(II) complexes with the condensation product of 2-(diphenylphosphino)benzaldehyde and Girard’s T reagent

Milenković

Pevec

Turel

et al. 2015

Journal of Coordination Chemistry

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Synthesis, crystal structures and antimicrobial activity of square-planar chloride and isocyanate Ni(II) complexes with the condensation product of 2-(diphenylphosphino)benzaldehyde and Girard's T reagent Abstract Square-planar isocyanate and chloride Ni(II) complexes with tridentate PNO condensation product of 2-(diphenylphosphino)benzaldehyde and Girard's T reagent have been synthesized and their crystal structures determined. These Ni(II) complexes with different monodentate ligands, chloride, cyanate and thiocyanate, were tested for their antimicrobial activities against pathogenic microorganisms. The ligand and Ni(II) complexes were active not only against laboratory control strains of bacteria and yeast, but also on clinical isolates of E. coli and P. aeruginosa strains resistant to most of the clinically used antibiotics.

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Modular Synthesis of Phosphino Hydrazones and Their Use as Ligands in a Palladium‐Catalysed Cu‐Free Sonogashira Cross‐Coupling Reaction

et al. 2023

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Phosphino hydrazones represent a versatile class of nitrogen‐containing phosphine ligands. Herein, we report a modular synthesis of phosphino hydrazone ligands by hydrazone condensation reaction of three different aryl hydrazines with 3‐(diphenylphosphino)propanal (PCHO). Complexation reactions of these phosphino hydrazone ligands with palladium(II) and platinum(II) were investigated and the catalytic activity of the palladium(II) complexes was explored in a Cu‐free Sonogashira cross‐coupling reaction achieving yields up to 96 %. Additionally it was shown that the catalytically active species is homogeneous.

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Experimental and theoretical investigation of octahedral and square-planar isothiocyanato complexes of Ni(II) with acylhydrazones of 2-(diphenylphosphino)benzaldehyde

Cited by 15 publications

References 30 publications

Molecular Structures and Spin‐States of Pseudohalide Metal Complexes with Hydrazones of Girard's T Reagent

Molecular Structures and Spin‐States of Pseudohalide Metal Complexes with Hydrazones of Girard's T Reagent

Synthesis, crystal structures, and antimicrobial activity of square-planar chloride and isocyanate Ni(II) complexes with the condensation product of 2-(diphenylphosphino)benzaldehyde and Girard’s T reagent

Modular Synthesis of Phosphino Hydrazones and Their Use as Ligands in a Palladium‐Catalysed Cu‐Free Sonogashira Cross‐Coupling Reaction

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