6310-78-7Relevant academic research and scientific papers
Binary roles of schiff bases as capping agent and precursor for synthesis of metallic nickel ultrafine nanoparticles
Motahari,Mozdianfard,Soofivand,Salavati-Niasari
, p. 1449 - 1456 (2015)
This study focused on the synthesis and characterization of nickel nanoparticles by simple precipitation method. The various Schiff bases such as ethylenediamine (acacen), 1,3-propylenediamine (acacpn), and butane-1,4-diamine (acacbn) acetyl acetonate were prepared and were used for preparing of nickel-Schiff base complexes and then, these complexes as precursor were reduced in the presence of KBH4, for the first time. In addition, the anti-aggregation effect of prepared Schiff bases was compared with common surfactants and results demonstrated that the huge ligands can be considered as novel surfactants. The obtained nickel nanoparticles were characterized by XRD, TEM, HRTEM, FT-IR, SEM, and EDS.
Copper(II) complexes with Schiff bases: Structures and thermal behavior
Dorovskikh,Kuratieva,Tkachev,Trubin,Stabnikov,Morozova
, p. 1067 - 1074 (2014)
Ligands with Schiff bases are obtained in the condensation of propylenediamine (pda) or 2,2-dimethylpropylenediamine (dmpda) with acetylacetone (Hacac) in the 1:2 molar ratio. The ligands are characterized by the elemental analysis methods, T melt = 90-92 °C for pda(Hacac)2 (pda(acac)2 is N,N′-propylene-bis(acetylacetoniminato) (2-)), T melt = 84-86 °C for dmpda(Hacac)2 (dmpda(acac)2 is N,N′-2,2-dimethylpropylene-bis(acetylacetoniminato) (2-)). The tautomerism of the ligands is established by the single crystal X-ray diffraction (XRD) analysis, IR spectroscopy, and 1H, 13C NMR spectrometry. The synthesized complexes [Cu(pda(acac)2)] (1), T melt = 121-122 °C and [Cu(dmpda(acac)2)] (2), T melt = 156-158 °C are studied by the XRD method. In both complexes, copper atoms have a planar square geometry, and the chelate bond lengths and angles are: Cu-O ≈ Cu-N 1.903(2)-1.942(3) ?, ∠O-Cu-N = 94.44(12)-94.99(12)° for 1 and Cu-O ≈ Cu-N 1.909(1)-1.943(2) ?, ∠O-Cu-N = 94.63(6)° for 2. By the thermogravimetric method it is found that both complexes can be passed practically quantitatively into the gas phase.
Aldimine and Ketimine Derivatives of Titanium(IV)
Sharma, R. K.,Singh, R. V.,Tandon, J. P.
, p. 378 - 379 (2007/10/02)
Reactions of titanium isopropoxyde with aldimines and ketamines in equimolar ratios have been carried out.The products have been obtained in almost quantitative yields and characterized on the basis of elemental analyses, molecular weight determinations, exchange reactions, conductance measurements and IR, PMR and UV spectral data.
