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Ultrasound-assisted green synthesis of functionalised xanthene derivatives: Advancing sustainable sonochemical strategies [PDF]

open access: yesUltrasonics Sonochemistry
Xanthenes are an important class of heterocycles in medicinal chemistry due to their diverse pharmacological properties. These tricyclic aromatic compounds, characterised by a dibenzo[b,e]pyran core with an oxygen atom at their central position, have ...
Sasadhar Majhi   +2 more
doaj   +2 more sources

Continuous flow catalysis with CuBTC improves reaction time for synthesis of xanthene derivatives

open access: yesFrontiers in Chemistry, 2023
The copper-based metal-organic framework (MOF) CuBTC (where H3BTC = benzene-1,3,5-tricarboxylate) has been shown to be an efficient heterogeneous catalyst for the generation of 1,8-dioxo-octa-hydro xanthene derivatives, which are valuable synthetic ...
Jonathan E. Thai   +4 more
doaj   +1 more source

Characterization of a novel pathway for xanthene degradation by the engineered strain Sphingobium yanoikuyae B1DR

open access: yesمجلة بغداد للعلوم, 2023
Polyaromatic hydrocarbons (PAHs) are a group of aromatic compounds that contain at least two rings. These compounds are found naturally in petroleum products and are considered the most prevalent pollutants in the environment.
Rayan M. Faisal, Ahmed Y. Al-Shiti
doaj   +1 more source

DNA Binding Affinity Assessment of Xanthene Compounds: In Vitro and In Silico Approach [PDF]

open access: yesKemija u Industriji, 2023
Xanthene derivatives are an important class of heterocyclic compounds with a wide spectrum of pharmacological activities. In our previous investigations, we found the good antiproliferative activity of two xanthene derivatives, with minimal toxicity ...
Elma Veljović   +5 more
doaj   +1 more source

THQ–Xanthene: An Emerging Strategy to Create Next‐Generation NIR‐I/II Fluorophores

open access: yesAdvanced Science, 2023
Near‐infrared fluorescence imaging is vital for exploring the biological world. The short emissions (
Zhiqiang Mao   +6 more
doaj   +1 more source

Synthesis of 14H-dibenzoxanthenes in green media using Sn(II)/nano silica as an efficient catalyst

open access: yesFrontiers in Chemistry, 2022
In this project, Sn(II)/nano silica has been prepared using a simple deposition of SnCl2.2.H2O on nano-silica. The prepared catalyst has been used as a green and reusable catalyst for synthesis of 14H-dibenzoxanthenes through a one-pot condensation ...
Hossein Tavakol, Mahdieh Firouzi
doaj   +1 more source

Transition-metal-free intramolecular Friedel–Crafts reaction by alkene activation: A method for the synthesis of some novel xanthene derivatives

open access: yesBeilstein Journal of Organic Chemistry, 2021
In this work, new derivatives (substituted 9-methyl-9-arylxanthenes) of xanthene compounds (5a–l) of possible biological significance were synthesized by developing a new synthesis method.
Tülay Yıldız   +2 more
doaj   +1 more source

Functionalized Nano Clinoptilolite; Novel and Efficient Nano Catalyst for Green Synthesis of Xanthene Dione Derivatives under Solvent Free Conditions [PDF]

open access: yesشیمی کاربردی روز, 2022
In this research, a novel, low-cost and environmentally friendly nano zeolite clinoptilolite as a catalyst with high thermal stability and reusability was synthesized by an efficient method.
Khadijeh Rabiei, Zahra Mostafapour
doaj   +1 more source

N-[6-(Dimethylamino)-9-phenyl-3H-telluroxanthen-3-ylidene]-N-methylmethanaminium hexafluorophosphate monoclinic polymorph

open access: yesIUCrData, 2021
The title compound C23H23N2Te+·PF6−, is a monoclinic polymorph of the previously reported triclinic structure [Calitree et al. (2007). Organometallics, 26, 6248–6257].
Shea Myers   +2 more
doaj   +1 more source

3′,6′-Bis(ethylamino)-2′,7′-dimethyl-2-{[2-[(E)-3,4-methylenedioxybenzylideneamino]ethyl}spiro[isoindoline-1,9′-xanthen]-3-one

open access: yesActa Crystallographica Section E, 2009
The title compound, C36H36N4O4, was prepared as a spirolactam ring formation of the rhodamine dye for comparison with a ring-opened form. The xanthene ring system is approximately planar [r.m.s.
Zhi-Hong Xu   +3 more
doaj   +1 more source

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