Results 61 to 70 of about 582 (169)
Journal of Chemistry, 2017 New polycyclic-fused isoxazolo[4,5-e]pyridines and spirooxindoles were obtained via multicomponent reaction of 5-amino-3-methylisoxazole, indan-1,3-dione, and aromatic aldehydes and reaction of 5-amino-3-methylisoxazole, isatin, and β-diketones in the ...
Emel Pelit
doaj +1 more source
Mechanochemical Activation of NaHCO3: A Solid CO2 Surrogate in Carboxylation Reactions
ChemSusChem, Volume 18, Issue 14, July 17, 2025.This study presents sodium bicarbonate (NaHCO3) as a safe, solid source of CO2 for mechanochemical carboxylation reactions. Mechanochemical methods for synthesizing cyclic carbamates and organic carbonates from NaHCO3 are developed. This approach holds significant potential for pharmaceutical applications, highlighting solvent‐minimized synthesis and ...
Francesco Mele +11 more
wiley +1 more source
Catalysis With Deep Eutectic Solvents: Challenges and Opportunities
ChemCatChem, Volume 17, Issue 11, June 6, 2025.Deep eutectic solvents (DESs) are emerging as sustainable alternatives in catalysis, offering tunable properties for diverse chemical transformations. This review explores the dual role of DESs as solvents and catalysts, highlighting advancements in organic chemistry, materials science, CO2 fixation, biomass valorization, polymer degradation, and ...
Eduardo Guzmán
wiley +1 more source
Discovery, bioactivities and biosynthesis of spirooxindole alkaloids
Natural Product ReportsThis review provides a comprehensive summary of the origin, activities, and biosynthesis of spirooxindole-containing alkaloids derived from a variety of organisms, including actinomycetes, cyanobacteria, fungi, plants, and invertebrates.
Ruijie Chen +7 more
openaire +2 more sources
From data to discovery: leveraging big data in plant natural products biosynthesis research
The Plant Journal, Volume 122, Issue 6, June 2025.SUMMARY Plant natural products or specialized metabolites play a vital role in drug discovery and development, with many clinically important derivatives such as the anticancer drugs topotecan (derived from the natural alkaloid camptothecin) and etoposide (derived from the natural polyphenol podophyllotoxin).
Matthew McConnachie +4 more
wiley +1 more source
Beilstein Journal of Organic Chemistry, 2010 The synthesis of C3-carbocyclic spirooxindoles was realized by way of an intramolecular [2 + 2] cycloaddition reaction between a vinylidene indolin-2-one and an alkyne.
Kay M. Brummond, Joshua M. Osbourn
doaj +1 more source
ChemistrySelect, Volume 10, Issue 17, May 5, 2025.A new set of spirooxindole‐ and spiroindenoquinoxaline‐derived pyrrolo[3,4‐c] pyrroles has been synthesized through atom‐economic one‐pot multicomponent reactions. Based on the results, compounds 4b and 5a demonstrated promising Glide scores and exhibited strong binding affinity with decaprenylphosphoryl‐β‐D‐ribofuranose oxidoreductase.
Mathiyazhagan Lavanya +8 more
wiley +1 more source
Chemistry – An Asian Journal, Volume 20, Issue 8, April 17, 2025.In this review, the advancements in the cyclization of 1,3‐enynes to construct structurally diverse heterocyclic and carbocyclic frameworks are portrayed comprehensively. Divergent cyclization protocols along with mechanistic aspects for key transformations are also detailed. Abstract 1,3‐Enynes have demonstrated their utility as valuable precursors to
Akash P. Sakla +4 more
wiley +1 more source
Journal of Enzyme Inhibition and Medicinal Chemistry, 2020 In the current medical era, spirooxindole motif stands out as a privileged heterospirocyclic scaffold that represents the core for a wide range of bioactive naturally isolated products (such as Strychnofoline and spirotryprostatins A and B) and synthetic
Sara T. Al-Rashood +7 more
doaj +1 more source
Molecules, 2018 Taking into account the postulated reaction mechanism for the organocatalytic epoxidation of electron-poor olefins developed by our laboratory, we have investigated the key factors able to positively influence the H-bond network installed inside the ...
Martina Miceli +9 more
doaj +1 more source