Results 21 to 30 of about 26,157 (280)

Facile Synthesis of Functionalized Phenoxy Quinolines: Antibacterial Activities against ESBL Producing Escherichia coli and MRSA, Docking Studies, and Structural Features Determination through Computational Approach

open access: yesMolecules, 2022
The synthesis of new 6-Bromoquinolin-4-ol derivatives (3a–3h) by Chan–Lam coupling utilizing different types of solvents (protic, aprotic, and mixed solvents) and bases was studied in the present manuscript.
Mahwish Arshad   +4 more
doaj   +1 more source

The ammonolysis of esters in liquid ammonia [PDF]

open access: yes, 2013
The rates of ammonolysis of alkyl benzoate and phenylacetate esters in liquid ammonia increase with the acidity of the leaving group alcohol and show relatively large Brønsted βlg values of −1.18 and −1.34, respectively, when plotted against the aqueous ...
Atherton, John   +2 more
core   +1 more source

Investigation of solvent effects on electronic absorption spectra of some substituted 1,2,4-triazoline-3-thiones

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2010
The influence of the polarity of the solvent and hydrogen bonding on the electronic absorption spectra of some previously synthesized substituted 1,2,4-triazoline-3-thiones was studied.
Mirjana Jankulovska   +4 more
doaj   +1 more source

Origin of High Efficiency and Long-Term Stability in Ionic Liquid Perovskite Photovoltaic

open access: yesResearch, 2020
Environment-friendly protic amine carboxylic acid ionic liquids (ILs) as solvents is a significant breakthrough with respect to traditional highly coordinating and toxic solvents in achieving efficient and stable perovskite solar cells (PSCs) with a ...
Lingfeng Chao   +21 more
doaj   +1 more source

Solvent effects on photodegradation of CI Reactive Orange 16 by simulated solar light [PDF]

open access: yesHemijska Industrija, 2008
Organic solvents may appear in wastewaters and other industrial waste streams containing dyes, therefore, their photodegradation catalyzed by TiO2 should be investigated.
Mijin Dušan Ž.   +3 more
doaj   +1 more source

Polar and hydrogen-bonding effects of alcohols on the emission spectrum of styrene-triethylamine system [PDF]

open access: yes, 2005
The emission spectra of styrene (ST)-triethylamine (TEA) systems were measured under steady-state illumination conditions in some THF-protic solvent mixtures.
A. M. Halpern   +21 more
core   +1 more source

2,5-PRODAN Derivatives as Highly Sensitive Sensors of Low Solvent Acidity

open access: yesMolecules, 2014
Two 5-acyl-2-dimethylaminonaphthalene derivatives, one with a propionyl group and the other with a fused cyclohexanone ring, are investigated as sensors of H-bond-donating ability in protic solvents of low solvent acidity.
Alexandra H. Yoon   +3 more
doaj   +1 more source

Solvatochromism studies on UV spectra of 4,5-disubstituted-1,2,4-triazoline-3-thiones

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2012
The influence of a series of organic solvents on the UV spectra of investigated 1,2,4-triazoles, was studied by implementing solvatochromic theory.
Vesna B. Dimova   +1 more
doaj   +1 more source

Impact of ionic liquid's cation alkyl chain length and reaction time on cellulose nanocrystals preparation

open access: yesCarbohydrate Polymer Technologies and Applications, 2023
Traditional methods to obtain cellulose nanocrystals typically involve mechanical and chemical processes and develop an improved process in terms of efficiency, sustainability, and the quality of CNCs produced are interesting.
Jania Betania Alves da Silva   +9 more
doaj   +1 more source

Zinc 2-((2-(benzoimidazol-2-yl)quinolin-8-ylimino)methyl)phenolates : synthesis, characterization and photoluminescence behavior [PDF]

open access: yes, 2013
A series of 2-(2-(1H-benzoimidazol-2-yl)quinolin-8-yliminomethyl)phenol derivatives and their zinc complexes (C1 – C5) were synthesized and fully characterized.
Li, Longlong   +6 more
core   +2 more sources

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