Thermal stability of poly acryloyl benzoic hydrazide and its complexes with some transition metals

Gad, Ali; El‐Dissouky, Ali; Mansour, E. M. E.; El‐Maghraby, A. A.

doi:10.1016/s0141-3910(99)00178-0

Cited by 38 publications

(16 citation statements)

References 20 publications

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“…From the result of TGA, the polymeric complexes are found to have formed stable fivemember chelated ring, 19,20 which may be attributed to the fact that the M-N bond is highly polarized. 21 All the complexes possess a very high transition temperature, which are critical for electroluminescence device stability and good lifetime.…”

Section: Synthesis and Characterization Of Polymeric Transition Metalmentioning

confidence: 99%

Synthesis, Structure and Luminescent Properties of Ti(III),V(III) Transition Metal Polymeric Macrocyclic Complexes Derived from Phenanthroline and Biphenyl Groups

Kumar¹,

Sharma²

2012

Orientjchem.

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A fully conjugated ligand 4,42 -bis (1,10-phenanthroline-[5,6-d]imidazole-2-yl)-biphenyl based on 1,10-phenanthroline and biphenyl groups was firstly synthesized. The corresponding polymeric macrocyclic complexes with Ti(III) and V(III) were synthesized and characterized by FT-IR, elemental Analysis, conductivity measurement, UV-Vis and luminescence spectra at room temperature revealed that both the polymeric complexes emit blue luminescence at 453 and 452 nm (λ em, max ) in DMSO solution and blue/green luminescence at 527 and 536 nm (λ em, max ) in solid state respectively, and the maximum wavelengths of the polymeric complexes are red shifted, compared with the ligand. On the bases of study performed and discussed an octahedral environment seems to exist around metal ion in the complex

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Section: Synthesis and Characterization Of Polymeric Transition Metalmentioning

confidence: 99%

Synthesis, Structure and Luminescent Properties of Ti(III),V(III) Transition Metal Polymeric Macrocyclic Complexes Derived from Phenanthroline and Biphenyl Groups

Kumar¹,

Sharma²

2012

Orientjchem.

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“…The final product was used as an adsorbent for removal of Ni(II) from aqueous solutions since it is known that hydrazide forms a stable complex with metal ion [12]. Figure 1 shows an example of complex formation of poly (acryloyl benzoic hydrazide) with nickel ion [13]. …”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Poly(ethyl hydrazide) Grafted Oil Palm Empty Fruit Bunch for Removal of Ni(II) Ion in Aqueous Environment

et al. 2013

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Poly(ethyl hydrazide) grafted oil palm empty fruit bunch (peh-g-opefb) fiber has been successfully prepared by heating poly(methylacrylate)-g-opefb at 60 °C for 4 h in a solution of hydrazine hydrate in ethanol. The chelating ability of peh-g-opefb was evaluated based on removal of Ni(II) ions in aqueous solution. Adsorption of Ni(II) by peh-g-opefb was characterized based on effect of pH, isotherm, kinetic and thermodynamic study. This cheap sorbent based on oil palm empty fruit bunch fiber has a great future potential in water treatment industries based on high adsorption capacity, biodegradability and renewability.

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“…2 The hydrazone Schiff base forms stable chelate complexes with transition metals as used in many applications. 3,4 In analytical chemistry studies, hydrazones are used as multidentate ligands for transition metals in colorimetric or fluorimetric determinations.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Antioxidant Activity and Fluorescence Properties of Novel Europium Complexes with (E)-2- or 4-hydroxy-N'-[(2-hydroxynaphthalen-1-yl)methylene]benzohydrazide Schiff Base

Liu¹,

Alam²,

Lee³

2012

Bulletin of the Korean Chemical Society

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Two novel Eu(III) complexes with notable properties have been successfully prepared with hydrazone Schiff base ligands, (E)-2-hydroxy-N'-[(2-hydroxynaphthalen-1-yl)methylene]benzohydrazide (3a) and (E)-4-hydroxy-N'-[(2-hydroxynaphthalen-1-yl)methylene]benzohydrazide (3b). DFT, FMO energy and Mulliken charge distribution studies of the ligands allowed us to hypothesize that their HC=N, >C=O and -OH (naphthyl) groups were involved in coordinating with the Eu 3+ ion. The eight coordination sites of the Eu 3+ ion were occupied by the three functional groups of the two ligands (3a or 3b) mentioned above and two water molecules. Similar UV, IR and fluorescence spectra indicated the presence of comparable coordination environments for the Eu 3+ ion in both complexes. Both the ligands and their complexes exhibited moderate DPPH radical scavenging activity. Moreover, it was found that the Eu(III) complexes exhibited fluorescence properties.

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Thermal stability of poly acryloyl benzoic hydrazide and its complexes with some transition metals

Cited by 38 publications

References 20 publications

Synthesis, Structure and Luminescent Properties of Ti(III),V(III) Transition Metal Polymeric Macrocyclic Complexes Derived from Phenanthroline and Biphenyl Groups

Synthesis, Structure and Luminescent Properties of Ti(III),V(III) Transition Metal Polymeric Macrocyclic Complexes Derived from Phenanthroline and Biphenyl Groups

Preparation and Characterization of Poly(ethyl hydrazide) Grafted Oil Palm Empty Fruit Bunch for Removal of Ni(II) Ion in Aqueous Environment

Synthesis, Antioxidant Activity and Fluorescence Properties of Novel Europium Complexes with (E)-2- or 4-hydroxy-N'-[(2-hydroxynaphthalen-1-yl)methylene]benzohydrazide Schiff Base

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