Results 31 to 40 of about 5,075 (257)
An Insight Into the Potentiation Effect of Potassium Iodide on aPDT Efficacy
Frontiers in Microbiology, 2018 Antimicrobial photodynamic therapy (aPDT) is gaining a special importance as an effective approach against multidrug-resistant strains responsible of fatal infections. The addition of potassium iodide (KI), a non-toxic salt, is recognized to increase the
Cátia Vieira +6 more
doaj +1 more source
Divergent synthesis of fused Benzo-xanthene and oxazine derivatives via Cu-catalyst
Journal of Saudi Chemical Society, 2022 Cu-Cu2O combination showed synergic effects in catalyzing intramolecular Ullmann coupling reaction for halo-Betti bases to afford fused benzo-xanthenes from both electron-rich and electron-deficient aromatic systems in good yield under mild reaction ...
Meshari A Alsharif +6 more
doaj +1 more source
Angewandte Chemie, EarlyView.Color‐pure all‐organic emitters, i.e., with narrow spectral characteristics, are intensively studied for high‐definition organic LEDs and multi‐color bioimaging. In order to guide targeted materials design, this educative review discusses spectral characteristics, proper definitions and units, and the physical basis of spectral broadening, to distill ...
Johannes Gierschner +6 more
wiley +2 more sources
Heterocyclic Communications, 2020 An easy and convenient technique for the one-pot synthesis of novel compounds of hexahydroacridine-1,8(2H,5H)-dione and octahydroacridin-10(1H)-yl) thiourea derivatives has been developed by the reaction of the octahydro-1H-xanthenes with hydroxylamine ...
Pesyan Nader Noroozi +4 more
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, 2014 Citation: 'xanthene dyes' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.X06695 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial
Paul Wright, Updated by Staff
openaire +2 more sources
Reaction of Benzyne with Salicylaldehydes: General Synthesis of Xanthenes, Xanthones, and Xanthols
, 2016 The reaction of salicylaldehydes with benzyne prepared from o-trimethylsilyphenyl triflate and CsF gave xanthenes and xanthones. When the reaction was carried out under basic conditions, 9-hydroxyxanthenes (xanthols) were obtained in good ...
Kosei Shioji (2400487) +3 more
core +2 more sources
The Antifungal Activity of Naphthoquinones: An Integrative Review
Anais da Academia Brasileira de CiênciasNaphthoquinones are the most commonly occurring type of quinones in nature. They are a diverse family of secondary metabolites that occur naturally in plants, lichens and various microorganisms.
DÉBORA O. FUTURO +6 more
doaj +1 more source
Highly efficient multi component synthesis of xanthenes catalyzed by hydroxyapatite
, 2015 Centre for Organic and Medicinal Chemistry, School of Advanced Sciences, VIT University, Vellore-632 014, Tamilnadu, India E-mail : kvpsvijayakumar@gmail.com A new protocol was established to synthesis xanthenes using hydroxyapatite (phosphates) as a ...
S. Sarveswari +4 more
core +1 more source
γ-Fe2O3@HAP-Fe2+ NPs: An Efficient and Eco-Friendly Catalyst for the Synthesis of Xanthene Derivatives in Water [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2018 Efficient and environmentally friendly syntheses of xanthenes derivatives by using γ-Fe2O3@HAP-Fe2+ NPs as a catalyst has been carried out. The catalyst can be readily isolated by using an external magnet and no obvious loss of activity was observed when
Rahim Hosseinzdeh Khanamiri +4 more
doaj
Journal of Saudi Chemical Society, 2015 Recoverable heterogeneous AgI nanoparticles efficiently catalyzed the one-pot synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes via multi-component reaction of aldehydes and 2-naphthol under solvent-free conditions.
Javad Safaei-Ghomi +1 more
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