Results 31 to 40 of about 4,473 (184)
Journal of Saudi Chemical Society, 2020 A series of novel 2-chloro quinoline incorporated xanthene derivatives were synthesized by using various 2-chloro 3-formyl quinoline, dimedone and triethylammonium hydrogen sulfate [Et3NH][HSO4] as a catalyst as well solvent to give good to excellent ...
Mashooq A. Bhat +3 more
doaj +1 more source
Molecules, 2023 NIR dyes have become popular for many applications, including biosensing and imaging. For this reason, the molecular switch mechanism of the xanthene dyes makes them useful for in vivo detection and imaging of bioanalytes.
Ishanka N. Rajapaksha +3 more
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Advanced Functional Materials, EarlyView.A new class of sulfur‐free, oxygen‐bridged dibenzofuran‐based polymers is developed for ultrahigh‐refractive‐index applications. The rigid π‐extended architecture and enhanced molecular polarizability enable exceptional optical performance, combining refractive indices up to 1.848 with high Abbe numbers and full visible transparency. This work offers a
Hend A. Hegazy +5 more
wiley +1 more source
9-(4-Hydroxybutyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione
Molbank, 2016 The title compound 9-(4-hydroxybutyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione was synthesized in 72% yield through a simple, convenient and environmentally friendly one-pot reaction between dimedone and 3,4-dihydro-2H-pyran in
Camilo A. Navarro +2 more
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Applied Sciences, 2020 Metal chelators can be potentially employed in the treatment of various diseases, ranging from metal overload to neoplastic conditions. Some xanthene derivatives were previously reported to complex metals.
Přemysl Mladěnka +10 more
doaj +1 more source
Advanced Science, EarlyView.A piezocatalytic strategy enables simultaneous wastewater purification and hydrogen generation by harnessing mechanical energy. Complementary piezo‐induced charges are selectively directed toward oxidation and reduction pathways, achieving efficient pollutant degradation and continuous H2 evolution.
Yiqing Wei +8 more
wiley +1 more source
Beilstein Journal of Organic Chemistry, 2011 An efficient and greener protocol for the synthesis of 12-aryl-8,9,10,12-tetrahydrobenzo[a]xanthen-11-one using tetradecyltrimethylammonium bromide (TTAB) at room temperature in water is described.
Pravin V. Shinde +3 more
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Facile and rapid synthesis of divers xanthene derivatives using lanthanum(III) chloride/chloroacetic acid as an efficient and reusable catalytic system under solvent-free conditions [PDF]
Journal of the Serbian Chemical Society, 2017 LaCl3/ClCH2COOH was used as an efficient, and recyclable catalytic system for synthesis of 11H-benzo[a]xanthene-11-one, hexahydro-1H-xanthene- 1,8(2H)-dione and 11-aryl-10H-diindeno[1,2-b:2′,1′-e]pyran-10,12(11H)-dione derivatives via a one-pot three ...
Pouramiri Behjat +2 more
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Unraveling the Position Effect of Spiroxanthene-Based n-Type Hosts for High-Performance TADF–OLEDs
Nanomaterials, 2023 For developing high-performance organic light-emitting diodes (OLEDs) with thermally activated delayed fluorescent (TADF) emitters, the diphenyltriazine (TRZ) unit was introduced onto the 2′- and 3′-positions of xanthene moiety of spiro[fluorene-9,9 ...
Qinglin Liu +9 more
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Asia-Pacific Journal of Chemical Engineering, EarlyView.ABSTRACT This study investigates the degradation of the xanthene dye Acid Red 51 (ARE‐51) using atmospheric‐pressure corona discharge plasma, integrating electrical characterization, optical emission spectroscopy (OES), kinetic modeling, and physicochemical analysis to establish a unified plasma–liquid interaction framework. A degradation efficiency of
Cristian Mendoza Benítez +7 more
wiley +1 more source