Results 11 to 20 of about 17,166 (251)

Eco-Friendly Syntheses of 2-Substituted Benzoxazoles and 2-Substituted Benzothiazoles from 2-Aminophenols, 2-Aminothiophenols and DMF Derivatives in the Presence of Imidazolium Chloride

Molecules, 2019
A simple, economical and metal-free approach to the synthesis of 2-substituted benzoxazoles and 2-substituted benzothiazoles from 2-aminophenols, 2-aminothiophenols and DMF derivatives, only using imidazolium chloride (50% mmol) as promoter without any ...
Qingqiang Tian, Wen Luo, Zongjie Gan, Dan Li, Zeshu Dai, Huajun Wang, Xuetong Wang, Jianyong Yuan   +7 more
doaj   +2 more sources

N-terminal modification of proteins with o-aminophenols. [PDF]

Journal of the American Chemical Society, 2014
The synthetic modification of proteins plays an important role in chemical biology and biomaterials science. These fields provide a constant need for chemical tools that can introduce new functionality in specific locations on protein surfaces.
Francis, Matthew, Jarman, John, Obermeyer, Allie   +2 more
core   +2 more sources

Reaction of bis[(2-chlorocarbonyl)phenyl] Diselenide with Phenols, Aminophenols, and Other Amines towards Diphenyl Diselenides with Antimicrobial and Antiviral Properties

Molecules, 2017
A reaction of bis[(2-chlorocarbonyl)phenyl] diselenide with various mono and bisnucleophiles such as aminophenols, phenols, and amines have been studied as a convenient general route to a series of new antimicrobial and antiviral diphenyl diselenides ...
Mirosław Giurg, Anna Gołąb, Jakub Suchodolski, Rafał Kaleta, Anna Krasowska, Egbert Piasecki, Magdalena Piętka-Ottlik   +6 more
doaj   +2 more sources

Redox‐Neutral Selenium‐Catalysed Isomerisation of para‐Hydroxamic Acids into para‐Aminophenols

Angewandte Chemie, 2021
A selenium‐catalysed para‐hydroxylation of N‐aryl‐hydroxamic acids is reported. Mechanistically, the reaction comprises an N−O bond cleavage and consecutive selenium‐induced [2,3]‐rearrangement to deliver para‐hydroxyaniline derivatives. The mechanism is
Hsiang-Yu Chuang, M. Schupp, Ricardo Meyrelles, B. Maryasin, N. Maulide   +4 more
semanticscholar   +1 more source

Switchable Oxidative Reactions of N-allyl-2-Aminophenols: Palladium-Catalyzed Alkoxyacyloxylation vs an Intramolecular Diels–Alder Reaction

Organic Letters, 2021
The Pd(II)-catalyzed reaction of N-allyl-2-aminophenols in the presence of PhI(OCOR)2 as the oxidant resulted in an alkoxyacyloxylation process, with the formation of functionalized dihydro-1,4-benzoxazines.
Sabrina Giofrè, M. Keller, L. Lo Presti, E. Beccalli, Letizia Molteni   +4 more
semanticscholar   +1 more source

2-aminophenols containing electron-withdrawing groups from N-aryl hydroxylamines [PDF]

, 2010
Reaction of substituted N-aryl hydroxylamines with methanesulfonyl chloride, p-toluenesulfonyl chloride, or trifluoromethanesulfonic anhydride under basic conditions leads to the rearranged 2-aminophenols (45-94%).
Cooper, Anthony W. J., Porzelle, Achim, Tomkinson, Nicholas C.O., Woodrow, Michael D   +3 more
core   +1 more source

Crystal structure of 4-amino-2,6-dichlorophenol

Acta Crystallographica Section E: Crystallographic Communications, 2015
The title compound, C6H5Cl2NO, has a single planar molecule in the asymmetric unit with the non-H atoms possessing a mean deviation from planarity of 0.020 Å.
Kyle J. McDonald, Vasumathi Desikan, James A. Golen, David R. Manke   +3 more
doaj   +1 more source

Iodine-Mediated Facile One-Pot Access to N-Aryl-2-benzoxazolamines

SynOpen, 2020
Facile, iodine-mediated access to N-aryl-2-benzoxazolamines has been achieved in a one-pot manner under mild reaction conditions. Reaction of 2-aminophenols and aryl isothiocyanates afforded N-aryl-2-benzoxazolamines in the presence of molecular iodine ...
Haruna Nariki, Takuya Miyamura, Daiki Matsui, Motohiro Sonoda, Shinji Tanimori   +4 more
doaj   +1 more source

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

, 2022
Hepatology, EarlyView.
Robert J. Fontana, Iris Liou, Adrian Reuben, Ayako Suzuki, M. Isabel Fiel, William Lee, Victor Navarro   +6 more
wiley   +1 more source

One-pot synthesis of 2-arylated and 2-alkylated benzoxazoles and benzimidazoles based on triphenylbismuth dichloride-promoted desulfurization of thioamides

Beilstein Journal of Organic Chemistry, 2022
The development of novel and efficient synthesis methods for 2-substituted benzazole derivatives is of interest as they are biologically active substances.
Arisu Koyanagi, Yuki Murata, Shiori Hayakawa, Mio Matsumura, Shuji Yasuike   +4 more
doaj   +1 more source