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

