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Journal articles on the topic 'Malonic acid dihydrazide'

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1

Ismayilov, R. H., and P. A. Fatullayeva. "Metal complexes with dihydrazone of malonic acid dihydrazine." Scientific Petroleum, no. 1 (June 30, 2021): 58–62. http://dx.doi.org/10.53404/sci.petro.20210100008.

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This research includes synthesis and characterization of transition metal complexes of Cu (II), Co (II) and Ni (II) with hydrazone Schiff base ligand. Schiff base lagand was synthesized by reaction of malonic ester dihydrazide and 5-bromo salicylaldehyde. The structure of obtained complexes was studied by IR and electron spectroscopy. Keywords: hydrazone Schiff base ligand; copper complex; nickel complex; cobalt complex; IR and UV-Vis spectroscopy.
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2

Amin, M. A., H. Shokry, and E. M. Mabrouk. "Nickel Corrosion Inhibition in Sulfuric Acid—Electrochemical Studies, Morphologies, and Theoretical Approach." Corrosion 68, no. 8 (2012): 699–712. http://dx.doi.org/10.5006/0508.

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The inhibition performance of three selected dihydrazide derivatives, namely, malonic acid (MAD), succinic acid (SAD), and adipic acid (AAD) dihydrazide, was tested in relation to nickel corrosion in 1.0 M sulfuric acid (H2SO4) solution. Electrochemical methods (Tafel polarization, linear polarization resistance [LPR], and electrochemical impedance spectroscopy [EIS]) were used, complemented with scanning electron microscopy/energy-dispersive x-ray (SEM/EDX) examinations. Computational studies were also used to confirm experimental findings and to optimize the adsorption structures of dihydraz
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3

Heimgartner, U., B. Kozulić, and K. Mosbach. "Reversible and irreversible cross-linking of immunoglobulin heavy chains through their carbohydrate residues." Biochemical Journal 267, no. 3 (1990): 585–91. http://dx.doi.org/10.1042/bj2670585.

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After periodate oxidation and incubation with a dihydrazide, cross-linking of the two heavy chains of immunoglobulins G from several species proceeds specifically through their oligosaccharides. We have used malonic acid dihydrazide, adipic acid dihydrazide and dithiodipropionic acid dihydrazide. The last compound is introduced in this work as a cleavable-carbohydrate-specific cross-linker. It was found that in rabbit and human immunoglobulins the degree of cross-linking was strongly dependent on the oxidation conditions but only very weakly dependent on the concentration and size of the dihyd
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4

Mishra, Lallan, Brajesh Pathak, and Yadvendra Agrawal. "Supramolecular Motifs in Metal Complexes of Malonic Acid Dihydrazide: Copper(II) and Zinc(II) Assisted Assembly of Malonic Acid Dihydrazide with Melamine." Transition Metal Chemistry 29, no. 4 (2004): 437–43. http://dx.doi.org/10.1023/b:tmch.0000027456.94456.b3.

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5

KAKARLA, Ramana Kumar, Raghavendra Guru Prasad ALURU, Srilalitha VINNAKOTA, and RAO KRISHNA RAO, Ravindranath LAKSHMANA. "SYNTHESIS AND CHARACTERIZATION OF MALONIC ACID DIHYDRAZIDE AND ITS METAL COMPLEXES." Periódico Tchê Química 12, no. 24 (2013): 26–33. http://dx.doi.org/10.52571/ptq.v11.n20-21.2013.26_periodico20e21_pgs_26_33.pdf.

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A new series of complexes was synthesized by the reaction between malonyl dihydrazide (MAH) and manganese, copper, nickel, zinc, cadmium, cobalt and ferric salts in methanolic medium. The complexes were characterized by elemental analysis, molar conductance measurements, electronic, IR and 1H NMR spectral studies. Based on the results obtained, the stoichiometry of Fe(III)-MAH and Co(III)-MAH was proposed to be 1:3 and that for Cu(II)-MAH, Cd(II)-MAH, Zn(II)-MAH, Mn(II)-MAH, Ni(II)-MAH was proposed to be 1:2 (M:L). It was suggested that the nitrogen present in the azomethine (>C=N-) group o
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6

Dunkana, Negussa Kenie, Shyamala P., Satyanarayana A., and M. M. Krishna Prasad K. "Chemical speciation studies on the complexation of ditopic ligands : Interaction of malonic acid dihydrazide with some divalent transition metal ions in aqueous medium." Journal of Indian Chemical Society Vol. 91, Apr 2014 (2014): 729–37. https://doi.org/10.5281/zenodo.5718104.

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Department of Physical and Nuclear Chemistry and Chemical Oceanography, Andhra University, Visakhapatnam-530 003, Andhra Pradesh, India <em>E-mail </em>: sn_atre@yahoo.co.in <em>Manuscript received online 26 July 2013, revised 17 September 2013, accepted 23 September 2013</em> Speciation study on the interaction of malonic acid dihydrazide with Mn<sup>II</sup>, Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup> and Zn<sup>II</sup> was carried out in aqueous medium at 303 K and 0.1 mol dm<sup>&ndash;3</sup> ionic strength. The ditopic ligand possesses a number of potential donor atoms and is abl
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7

IMAI, Hiromu, Yasuyuki SATOH, and Hiroshi TAMURA. "Chelate resin of malonic acid dihydrazide series for selective collection of Cu(II) ion selectively." NIPPON KAGAKU KAISHI, no. 8 (1987): 1550–54. http://dx.doi.org/10.1246/nikkashi.1987.1550.

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8

Mishra, Lallan, Brajesh Pathak, G. V. S. Sastry, and S. Umamaheswara Rao. "Metal assisted self-assembled nano sized porous 2-D structures incorporating malonic acid dihydrazide and melamine." Journal of Materials Science 41, no. 21 (2006): 7141–44. http://dx.doi.org/10.1007/s10853-006-0928-4.

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9

Hammoda, Rehab Ghalib, and Naser Shaalan. "Synthesis of Zn(II) and Co(II) Complexes with a Schiff Base Derived from Malonic Acid Dihydrazide for Photo-Stabilizers of Polystyrene." Indonesian Journal of Chemistry 23, no. 5 (2023): 1324. http://dx.doi.org/10.22146/ijc.83730.

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In this study, novel Schiff base complexes with Zn(II) and Co(II) ions were successfully synthesized. The malonic acid dihydrazide was converted into the Schiff base ligand by combining it with 1-hydroxy-2-naphthaldehyde, and the last step required reacting it with the appropriate metal(II) chloride to produce pure target complexes. The generated complexes were thoroughly characterized using FTIR, 1H-NMR, 13C-NMR, GC-mass, and UV-Vis spectroscopies. In order to photo-stabilize polystyrene (PS) and reduce the photodegradation of its polymeric chains, these chemicals have been used in this work.
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10

Drazic, Branka, Gordana Popovic, Ratomir Jelic, et al. "Acid-base equilibria of the Zn(II) and Fe(III) complexes with condensation products of 2-acetylpyridine and the dihydrazide of oxalic and malonic acid." Journal of the Serbian Chemical Society 74, no. 3 (2009): 269–77. http://dx.doi.org/10.2298/jsc0903269d.

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Acid-base equilibria of Zn(II) and Fe(III) complexes with N',N'2-bis- [(1E)-1-(2-pyridyl)ethylidene]ethanedihydrazide (ligand L1) and N',N'2-bis[(1E)- -1-(2-pyridyl)ethylidene]propanedihydrazide (ligand L2), i.e., [Fe(L1)Cl2(H2O)], [Fe(L2)Cl(H2O)]2+, [Zn(L1)(H2O)3]+ and [Zn(L2)(H2O)2]2+, which expressed cytotoxic activity, were investigated in aqueous media. The equilibrium constants were determined potentiometrically at 25?C at a constant ionic strength of 0.10 mol/dm3 (Na2SO4). The results showed that at pH &lt; 8 both the Fe(III) complexes studied here have three, while [Zn(L1)(H2O)3]+ and
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11

Eshkourfu, Rabia, Božidar Čobeljić, Miroslava Vujčić, et al. "Synthesis, characterization, cytotoxic activity and DNA binding properties of the novel dinuclear cobalt(III) complex with the condensation product of 2-acetylpyridine and malonic acid dihydrazide." Journal of Inorganic Biochemistry 105, no. 9 (2011): 1196–203. http://dx.doi.org/10.1016/j.jinorgbio.2011.05.024.

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12

Al-Ashqar, Sawsan Mohamed. "Comparative Studies of New Complexes Synthesized by Chemical and Tribochemical Reactions Derived from Malonic Acid Dihydrazide (L; MAD) with Cu<sup>2+</sup> and Co<sup>2+</sup> Salts." Open Journal of Inorganic Chemistry 08, no. 01 (2018): 28–42. http://dx.doi.org/10.4236/ojic.2018.81003.

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13

Vujčić, Miroslava, Milan Lazić, Milica Milenković, et al. "A comparative study of DNA binding and cell cycle phase perturbation by the dinuclear complex of Cd(II) with the condensation product of 2-acetylpyridine and malonic acid dihydrazide N′,N′2-bis[(1E)-1-(2-pyridyl)ethylidene]propanedihydrazide." Journal of Biochemical and Molecular Toxicology 25, no. 3 (2010): 175–82. http://dx.doi.org/10.1002/jbt.20374.

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14

Ghochikyan, T. V., A. I. Martiryan, G. A. Shahinyan, et al. "Synthesis and Physicochemical Properties of Hydrazides of Malonic Acid with Different Substitutes." Eurasian Chemico-Technological Journal 26, no. 4 (2024): 203–9. https://doi.org/10.18321/ectj1644.

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Shown that the rout of reaction of 2-ethoxycarbonyl-4,4-disubstituted-4-butanolide with hydrazine hydrate at soft conditions (45─50 ᵒC) strongly depends on the substituents on position 2 of butanolide cycle. The effect of substituents on the mechanism of above-mentioned reaction and yields of products has been investigated. Obvious that, dihydrazides of substituted malonic acid are produced when R3=H, whereas in the case of alkyl substituted butanolides intramolecular cyclization of intermediate occurs at the same conditions and as a result 4,4-disubstituted pyrazolidine-3,5-diones are produce
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15

А.G., Huseynova, M. Hasanly Sh., F. Abbasova R., and R. Allazov M. "Synthesis and Magnetic Properties of Composites Based on CoFe2O4 and Polyvinylidene Fluoride in an Alternating Magnetic Field." Chemistry Research Journal 3, no. 4 (2018): 157–60. https://doi.org/10.5281/zenodo.13853944.

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CoFe<sub>2</sub>O<sub>4</sub> cobalt ferrite nanoparticles, synthesized by the method of combustion of malonic acid dihydrazides of iron and cobalt, were used as dispersed filler in the preparation of thin-film composites based on polyvinylidene fluoride (PVDF) composites. It was established that as the intensity of an alternating magnetic field increases, the magnetic permeability increases monotonically, reaching a maximum value at a strength of 18 kA/m. However, with an increase in the thickness of the composite, magnetization and permeability values decrease significantly, which is associa
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16

IMAI, Hiromu, Hiroyuki SHIOM, Tsunehiro YOSHITOMI, and Yasuo NAKABAYASHI. "Collection of Metal Ions on Chelate Resins of Malonic Acid Dihydrazides-Formaldehyde Series." NIPPON KAGAKU KAISHI, no. 3 (1995): 198–202. http://dx.doi.org/10.1246/nikkashi.1995.198.

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17

Troshanin, N. V., E. M. Gilyazetdinov, T. I. Bychkova, and V. G. Shtyrlin. "Heteroligand Complexes of Copper(II) with Malonic and Adipic Acids Dihydrazides and L-Histidine." Russian Journal of General Chemistry 90, no. 3 (2020): 404–9. http://dx.doi.org/10.1134/s1070363220030123.

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18

Alexa, Andreea-Anda, Vasile-Nicolae Bercean, Sabina Elena Boncea, et al. "Synthesis, Characterization and Biological Activity Evaluation of Some 1,N-bis-(4-amino-5-mercapto-1,2,4-triazol-3-yl) Alkanes." Applied Sciences 14, no. 14 (2024): 6180. http://dx.doi.org/10.3390/app14146180.

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In this paper, we present the synthesis, characterization and evaluation of antiproliferative activity for four compounds carrying the 4-amino-5-mercapto-1,2,4-triazol-3-yl scaffold. The synthesis of 1,n-bis-(4-amino-5-mercapto-1,2,4-triazol-3-yl) alkanes was carried out using as starting reagents the dihydrazides of oxalic, malonic, succinic and adipic acids, using mercaptoacetic acid dianion as a leaving group, by a one-pot synthesis method implemented in our research group for the synthesis of 3-substituted-5-mercapto-1,2,4-triazoles. The compounds were obtained with modest yields (12–60%)
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19

"Cu(II), Ni(II) and Co(II) Complexes of Malonic Acid Dihydrazide with Bis-BrSalicylhydrazone." Advances in Neurology and Neuroscience 6, no. 2 (2023). http://dx.doi.org/10.33140/an.06.02.05.

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New complexes of Cu(II), Ni(II), and Co(II) with N1,N3-bis(5-bromo-2-hydroxybenzylidene)-malonohydrazide (LH4) have been synthesized. It was shown that, in the synthesized Cu(II) and Co(II) complexes with the LH4 ligand, coordination occurs according to the Schiff base type, while in the Ni(II) complex the oxygen atom of the amide (hydrazide) group in the enol form and the nitrogen atom of the azomethine group take part in the coordination groups. Based on the data of IR, electron spectroscopy, EPR, thermogravimetry and elemental analysis of the obtained complexes, the octahedral coordination
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20

Hammoda, Rehab Ghalib, and Naser Shaalan. "Synthesis, Spectroscopy and Biological Activity Study of Some New Complexes with Schiff Base Derived From Malonic Acid Dihydrazide with 2-pyridine Crboxaldehyde." Baghdad Science Journal, October 20, 2023. http://dx.doi.org/10.21123/bsj.2023.8499.

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From synthesized novel ligand (L) made of Malonic acid dihydrazide and 2-pyridine carboxaldehyde, new complexes have been created. Ni(II), Cu(II), and Zn(II) complexes were created as a result. FT-IR, UV-Vis, Mass, 1H-NMR, 13C-NMR, C.H.N., Chloride-containing, Molar Conductance, Magnetic Susceptibility, and Atomic Absorption have all been used to identify these compounds. For each Nickel, Copper, and Zinc complexes the characterization findings revealed complexes with hexadentate octahedral coordination geometry and tetradentate ligand. Two Gram-positive (Staphylococcus aureus and Bacillus sub
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21

Oikawa, Eizo, and Kazuhiro Jindal. "Reverse osmotic properties of the membranes prepared from the polycondensate of 2,5-pyridinedicarboxylic acid chloride and malonyl dihydrazide." Polymer Bulletin 16, no. 4 (1986). http://dx.doi.org/10.1007/bf00255008.

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22

Ristić, Predrag G., Natalia Maciejewska, Anoop Kallingal, et al. "Structural patterns and cytotoxic activity of dinuclear Cu(II), Ni(II) and Cd(II) complexes with pyridine-based malonic acid dihydrazone." Polyhedron, March 2025, 117523. https://doi.org/10.1016/j.poly.2025.117523.

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