Diethyl 2,2'-[Biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate)
Diethyl 2,2'-[biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate) was synthesized in high yield via Japp–Klingemann reaction. The structure of this compound was fully characterized by IR, 1H-NMR, 13C-NMR, Mass spectra and elemental analysis.
Nabila Abdelshafy Kheder +1 more
doaj +1 more source
Two steroid compounds, ergosterol peroxide (1) and stigmasterol (2) have been isolated from the stembark of Aglaia simplicifolia belong to Meliaceae family.
Nunung Kurniasih +5 more
doaj +1 more source
Characterisation of the tetrahalophosphonium cations PBrnI4 − n+ (0 ≤ n ≤ 4) by 31P MAS NMR, IR and Raman spectroscopy and the crystal structures of PI4+AlCl4−, PI4+AlBr4− and PI4+GaI4− [PDF]
The novel tetrahalophosphonium salts PBr4+AsF6−, PI4+AlCl4− and PI4+EBr4− (E = Al, Ga) have been synthesised. A variety of solid complexes containing PBr4+ (e.g. PBr4+AsF6−, PBr4+AlBr4− PBr4+GaBr4−), PI4+ (e.g.
Aubauer, Christoph +7 more
core +1 more source
Stereocontrolled enantioselective total synthesis of the [2+2] quadrigemine alkaloids [PDF]
A unified strategy for enantioselective total synthesis of all stereoisomers of the [2+2] family of quadrigemine alkaloids is reported. In this approach, two enantioselective intramolecular Heck reactions are carried out at the same time on precursors ...
Canham, SM +6 more
core +4 more sources
Antitumor studies. Part 4: Design, synthesis, antitumor activity, and molecular docking study of novel 2-substituted 2-deoxoflavin-5-oxides, 2-deoxoalloxazine-5-oxides, and their 5-deaza analogs [PDF]
Various novel 10-alkyl-2-deoxo-2-methylthioflavin-5-oxides and their 2-alkylamino derivatives were prepared by facile nitrosative cyclization of 6-(N-alkylanilino)-2-methylthiopyrimidin-4(3H)-ones followed by nucleophilic replacement of the 2-methylthio ...
Ali, Hamed I. +2 more
core +1 more source
4-Acyl-1-phenyl-3-methyl-2-pyrazolin-5-ones condensed with 2-amino-4(4'-methylphenyl)-thiazole to form Schiff base. These Schiff bases from complexes of type ML22H2O (M=Mn, Fe, Co, Ni and Cu).
A. S. Thakar +4 more
doaj +1 more source
Homo- and Heteroleptic Copper(I) Complexes with Diazabutadiene Ligands: Synthesis, Solution- and Solid-State Structural Studies [PDF]
The preparation of novel copper(I) complexes of diazabutadiene (DAB) ligands with aliphatic backbones is reported. [Cu(DABR)2](BF4), [Cu(DABR)(NCMe)2](BF4) and [CuCl(DABR)] are easily synthesised and air-stable.
Diez-Gonzalez, S +5 more
core +1 more source
We represent a metal complex which has been synthesized by the simple reaction with Ni(II) chloride and pyridine (as a lignd) affording a complex having the molecular formula [NiC5H5N2Cl2], characterized on the basis of elemental analyses, electronic ...
Faridul Islam +6 more
doaj +1 more source
Isolation and characterization of acetylated LM-pectins extracted from okra pods [PDF]
Pectin was isolated by aqueous extraction at pH 6.0 or 2.0 from okra (Abelmoschus esculentus L.) pods. An isolation protocol was designed to extract pectin and to study the influence of the extraction pH on their composition and physicochemical ...
A.P. Laws +58 more
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Synthesis, IR and NMR spectral correlations in some symmetrical diimines
A series of diimines have been synthesized by coupling of diamine with substituted benzaldehydes. The purities of these diimines were checked by their analytical and spectroscopic data. The spectral frequencies νCN (cm-1), NMR chemical shifts (δ, ppm) of
G. Thirunarayanan
doaj +1 more source

