Results 31 to 40 of about 66,931 (265)
STUDIES OF THE SUBSTITUTION EFFECTS ON THE ELECTRONIC PROPERTIES FOR BIPHENYL AND DERIVATIVE MOLECULES BY USING DFT METHOD [PDF]
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2016 DFT method has been carried out to study the substitution effects of NO2 group on the electronic (ionization potential, electron affinity, electronegativity, hardness, softness and electrophilicity index) and IR spectral properties of biphenyl and ...
Rajaa Khedir Al-Yasari
doaj
Advanced Functional Materials, EarlyView.A polymerizable deep eutectic solvent is reinforced with tannic acid‐modified cellulose nanofibers to construct a hierarchical dynamic eutectogel network. Synergistic covalent and reversible interactions impart ultrahigh stretchability, high ionic conductivity, broad temperature tolerance, self‐healing, and strong adhesion, enabling robust wearable ...
Huang Wu +11 more
wiley +1 more source
Acta Pharmaceutica, 2015 A green chemistry approach has been adopted for the synthesis of thirty-four new picolinium-based ionic liquids using microwave (MW) and ultrasound (US) irradiation as well as conventional thermal heating. Their structures were confirmed by FT-IR, 1H NMR,
Messali Mouslim
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International Journal of Electrochemical Science, 2013 Novel dioxocyclodiphosph(V)azane of o-aminopyridine (H2L), was prepared and their coordinating behavior towards the transition metal ion Cu(II) was studied. The structures of the isolated products are proposed based on elemental analyses, IR, UV–Vis., 1H
Muneerah M.A. Mogren +2 more
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Organic Materials, 2023 A prompt and modular copper(I)-catalyzed azide–alkyne cycloaddition ʼclickʼ approach has been exploited for the synthesis of galactose- and mannose-coated calixarene-cored G1 generation glycodendrimers.
Sunil Kumar +6 more
doaj +1 more source
Advanced Functional Materials, EarlyView.A new class of photoresponsive liquid‐crystalline (LC) adhesives based on biomineral‐inspired organic/inorganic colloidal hybrids is reported. These colloidal LC materials are formed by hybridization of a hydroxyapatite nanorod with azobenzene‐based forklike molecules.
Junya Uchida +4 more
wiley +1 more source
Boric Acid Catalyzed Convenient Synthesis of Benzimidazoles in Aqueous Media
Journal of Chemistry, 2013 Synthesis of benzimidazoles has been developed by the o-phenylenediamine with aldehydes using boric acid an efficient catalyst under mild reaction conditions in aqueous media. The product is applicable to aryl and heteroaryl aldehydes.
Mohammad Reza Poor Heravi, Marjan Ashori
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Synthesis and Characterization of Some New 4-Hydroxy-coumarin Derivatives
Molecules, 2014 Some novel coumarins were synthesized starting from 4-hydroxycoumarin and methyl bromoacetate. The structures of the newly obtained compounds were confirmed by elemental analysis, mass, IR and NMR spectra.
Yasameen K. Al-Majedy +3 more
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Synthesis and spectroscopic studies of new leucine acid derivative with their metal complexes. [PDF]
مجلة جامعة الانبار للعلوم الصرفة, 2013 A new ligand N-[(acetyl amino)-thioxo methyl]leucine(ATL) are synthesized by reaction of acetyl-isothio cyanate with leucine acid. The ligand is characterized by elemental analysis, FT-IR and NMR spectra, some transition metal complex of this ligand were
Muhammed Ahmed.Awaad +2 more
doaj +1 more source
Vietnam Journal of Science, Technology and Engineering, 2022 Five new derivatives of N-(4-oxo-2-thioxothiazolidin-3-yl)-2-((3-aryl-4-oxo-3,4-dihydroquinazolin-2-yl)thio) acetamides have been synthesized successfully through a four-step process from anthranilic acid and aryl isothiocyanates as starting materials ...
Tien Cong Nguyen +3 more
doaj +1 more source