Tuning Benzylic C−H Functionalization of (Thio)xanthenes with Electrochemistry [PDF]
Molecules, 2023 Here, we report a tunable electrochemical benzylic C−H functionalization of (thio)xanthenes with terminal alkynes and nitriles in the absence of any catalyst or external chemical oxidant.
Changji Wang +4 more
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Ultrasound-assisted green synthesis of functionalised xanthene derivatives: Advancing sustainable sonochemical strategies [PDF]
Ultrasonics SonochemistryXanthenes 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
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Sulfonated Schiff base immobilized on magnetite-chitosan as an efficient nanocatalyst for the synthesis of xanthene derivatives [PDF]
Scientific ReportsThe present study aims to develop and enhance a magnetic heterogeneous catalyst with a core-shell structure, Fe3O4@CS/SSB (Fe3O4@Chitosan-Salicylaldehyde-5-sulfonate), by immobilizing a chitosan-based Schiff base complex on the surface of magnetite ...
Mohammadhossein Alijafari Taheri +2 more
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Streamlining efficient and selective synthesis of benzoxanthenones and xanthenes with dual catalysts on a single support [PDF]
Scientific Reports, 2023 Using two catalysts on a single support can improve reaction efficiency, higher yields, improved selectivity, and simplified reaction conditions, making it a valuable approach for industrial transformation.
Najmedin Azizi +2 more
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Asymmetric total synthesis of polycyclic xanthenes and discovery of a WalK activator active against MRSA [PDF]
Nature CommunicationsThe development of new antibiotics continues to pose challenges, particularly considering the growing threat of multidrug-resistant Staphylococcus aureus. Structurally diverse natural products provide a promising source of antibiotics. Herein, we outline
Min-Jing Cheng +12 more
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Harnessing in vivo synthesis of bioactive multiarylmethanes in Escherichia coli via oxygen-mediated free radical reaction induced by simple phenols [PDF]
Microbial Cell FactoriesBackground Xanthenes and multi-aryl carbon core containing compounds represent different types of complex and condensed architectures that have impressive wide range of pharmacological, industrial and synthetic applications. Moreover, indoles as building
Donglou Wang +6 more
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Antimicrobial and Antiproliferative Activities and Enzyme Binding Affinity of Xanthen-3-one Derivatives [PDF]
Kemija u Industriji, 2022 Ten biologically active derivatives of 2,6,7-trihydroxyxanthen-3-one, previously synthesized and characterised, were investigated for their in vitro antimicrobial and antiproliferative activity.
Elma Veljović +8 more
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Pharmaceuticals, 2022 Nowadays, leishmaniasis constitutes a public health issue in more than 88 countries, affecting mainly people from the tropics, subtropics, and the Mediterranean area. Every year, the prevalence of this infectious disease increases, with the appearance of
Carlos F. M. Silva +3 more
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Drastic Impact of Donor Substituents on Xanthenes in the PDT of Glioblastoma [PDF]
JACS AuO. Karaman +4 more
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Phosphosulfonic acid, an efficient solid acid catalyst for the one-pot preparation of 14-aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydro-xanthenes under solvent-free conditions [PDF]
Journal of the Serbian Chemical Society, 2013 An expeditious procedure for the synthesis of 14- aryl-14H-dibenzo[a,j]xanthenes and 1,8-dioxo-octahydro-xanthenes through one-pot pseudo three component condensation of β-naphthol or dimedone with various aryl aldehydes is described.
Kiasat Reza Ali +2 more
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