Results 51 to 60 of about 17,166 (251)

Antioxidant Activity of Intramolecularly Hydrogen Bonded 2-Aminophenol [PDF]

open access: yes, 2005
The antioxidant activities of five classes of 2-aminophenol (model compound) and 2-aminophenols with substituent at the phenyl ring were studied in the oxidation of tetralin induced by an azo-initiator at 61℃. 2-Aminophenols with electron-donating groups
Endo Yumi   +3 more
core   +1 more source

One-pot Syntheses of Fused Quinazolines by Reaction of N-(2-Cyanophenyl)chloromethanimidoyl Chloride. I. A New Synthesis of 1,3-Oxazolo- and 1,3-Oxazino[2,3-b]quinazolines

open access: yesMolecules, 2000
12H-Benzo[1,3]oxazolo[2,3-b]quinazolin-12-imine (5a), 9-chloro-12Hbenzo[1,3]oxazolo[2,3-b]quinazolin-12-imine (5b), 2,3-dihydro-5H-[1,3]oxazolo[2,3-b]quinazolin-5-imine (5c), 2,3-dihydro-3,3-dimethyl-5H-[1,3]oxazolo[2,3-b]quinazolin-5-imine (5d) and 3,4--
Pavel Pazdera   +3 more
doaj   +1 more source

Catalyst-Controlled Chemoselective Arylation of 2-Aminobenzimidazoles [PDF]

open access: yes, 2012
What N would you like? The chemoselective and complementary Pd- and Cu-catalyzed N-arylation of 2-aminobenzimidazoles is described. Selective N-arylation of the amino group was achieved with a Pd-catalyzed method, while selective N-arylation of azole ...
Altman   +36 more
core   +1 more source

o-Aminophenol in Experimental Tuberculosis [PDF]

open access: yesNature, 1952
IN 1948 Okamoto1 reported that o-aminophenol showed a tuberculostatic effect both in vitro and in vivo (in guinea pigs). He also referred to favourable progress when this drug was used clinically in pulmonary tuberculosis. In the course of a study of the chemotherapy of experimental tuberculosis, we have included o-aminophenol in our tests.
openaire   +2 more sources

Oxophilicity‐Driven Potential Window Engineering Enables Scalable and Low‐Emission Paired Electrosynthesis on Asymmetric CuOx@Ag Platform

open access: yesCarbon and Hydrogen, EarlyView.
An asymmetric CuOx@Ag electrocatalyst platform enables paired electrochemical valorization of glycerol and 4‐nitrophenol, while effectively decoupling both half‐reactions from OER and HER. Ag‐mediated surface engineering expands the potential window and boosts reaction selectivity, achieving > 90% Faradaic efficiencies at both electrodes.
Xulai Gong   +14 more
wiley   +1 more source

Laccase: a green catalyst for the biosynthesis of poly-phenols [PDF]

open access: yes, 2018
Laccases (benzene diol: oxidoreductases, EC 1.10.3.2) are able to catalyze the oxidation of various compounds containing phenolic and aniline structures using dissolved oxygen in water.
Anderson JS.   +6 more
core   +1 more source

Enhancing Plateau Capacity of Binder‐Free and Self‐Supported Napkin‐Based Hard Carbon Anodes for Sodium‐Ion Batteries Via a Pre‐Oxidation Modulation Strategy

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Precise regulation of preoxidation time and carbonization temperature in biomass napkin‐derived hard carbon generates abundant closed pores and ultramicropores, significantly enhancing the capacity in the low‐potential plateau region (the high plateau capacity of 266 mAh g−1) and thereby achieving highly reversible sodium‐ion storage (395 mAh g−1 at 30 
Haoran Wang   +4 more
wiley   +1 more source

Spatial variability and atmospheric levels of phenolic compounds measured by passive samplers in the Strasbourg metropolitan area

open access: yesEnvironment International
Phenolic compounds are ubiquitous atmospheric pollutants mainly emitted by biomass burning, industrial activities and vehicular exhaust. In the current study, we quantified 54 phenols at six sites in the Strasbourg metropolitan area, classified into ...
Dani Khoury   +3 more
doaj   +1 more source

Methyl substituted polyimides containing carbonyl and ether connecting groups [PDF]

open access: yes, 1992
Polyimides were prepared from the reaction of aromatic dianhydrides with novel aromatic diamines having carbonyl and ether groups connecting aromatic rings containing pendant methyl groups.
Havens, Stephen J.   +1 more
core   +1 more source

A personal 360° view of applications of ‘biomimetic’ molecular recognition

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract Molecular recognition between biological molecules has formed the basis for innumerable applications in biotechnology for the last seven decades or so. Techniques such as affinity chromatography, solid‐phase and aqueous two‐phase extraction, affinity precipitation, biomimetic catalytic systems, biosensors and molecular imprinting all exploit ...
Christopher R Lowe
wiley   +1 more source

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