Results 1 to 10 of about 8,604 (195)

Photochemical Deracemization of 3‐Substituted Oxindoles [PDF]

open access: bronzeAngewandte Chemie, 2023
AbstractRacemic 3‐substituted oxindoles were successfully converted into enantiomerically pure or enriched material (up to 99 % ee) upon irradiation at λ=366 nm in the presence of a chiral benzophenone catalyst (10 mol %). The photochemical deracemization process allows predictable editing of the stereogenic center at carbon atom C3.
Johannes Großkopf   +2 more
openalex   +4 more sources

Azobenzene-Oxindole Photochromic Dyads. [PDF]

open access: yesAngew Chem Int Ed Engl
AbstractManipulation of molecular geometry using photoresponsive units is a powerful tool in supramolecular chemistry, smart materials, and photopharmacology. Current synthetic chemistry offers many responsive molecules that perform such a task.
Ovalle M, Doellerer D, Feringa BL.
europepmc   +4 more sources

Preparation of spirocyclic oxindoles by cyclisation of an oxime to a nitrone and dipolar cycloaddition [PDF]

open access: yesBeilstein Journal of Organic Chemistry
Oxindoles are an important class of compounds with significant biological activities. Spirocyclic derivatives are present in a variety of natural products.
Beth L. Ritchie   +2 more
doaj   +2 more sources

Oxindole–benzothiazole hybrids as CDK2 inhibitors and anticancer agents: design, synthesis and biological evaluation [PDF]

open access: yesBMC Chemistry
In the current study, molecular hybridization between the oxindole core and benzothiazole system through an acetohydrazide moiety was accomplished for the design of a new series of oxindole–benzothiazole hybrids 9a–r targeting CDK2 for cancer therapy ...
Heba T. Abdel-Mohsen
doaj   +2 more sources

Solvent controlled synthesis of spiro and nonspiro indolinones with aminonaphthoquinone and pyrazolone moieties [PDF]

open access: yesScientific Reports
This study describes the design and synthesis of novel hybrid molecular architectures based on the privileged indolin-2-one (oxindole) scaffold. The research leverages a multi-component reaction strategy, employing isatins, 2-amino-1,4-naphthoquinone ...
Hamed Pezhman   +3 more
doaj   +2 more sources

Principal component analysis of quantum mechanical descriptors data to reveal the pharmacological activities of oxindole derivatives

open access: yesResults in Chemistry, 2023
Oxindole derivatives have been known to possess anticancer, antimicrobial, antiviral, antioxidative, and other pharmacological activities. A substantial group of oxindole compounds are studied as anticancer and antimicrobial agents.
Esra Köse   +2 more
doaj   +1 more source

The Antinociceptive, Antioxidant and Anti-Inflammatory Effects of 5-Fluoro-2-Oxindole during Inflammatory Pain

open access: yesAntioxidants, 2020
Recent studies demonstrate that 5-fluoro-2-oxindole inhibits neuropathic pain but the antinociceptive actions of this drug and its effects on the plasticity, oxidative and inflammatory changes induced by peripheral inflammation as well as on the effects ...
Alejandro Redondo   +2 more
doaj   +1 more source

Studies on the Enantioselective Synthesis of E-Ethylidene-bearing Spiro[indolizidine-1,3′-oxindole] Alkaloids

open access: yesMolecules, 2021
A synthetic route for the enantioselective construction of the tetracyclic spiro[indolizidine-1,3′-oxindole] framework present in a large number of oxindole alkaloids, with a cis H-3/H-15 stereochemistry, a functionalized two-carbon substituent at C-15 ...
Nihan Yayik   +4 more
doaj   +1 more source

Base-free enantioselective SN2 alkylation of 2-oxindoles via bifunctional phase-transfer catalysis

open access: yesBeilstein Journal of Organic Chemistry, 2021
N-Protected oxindole derivatives of unprecedented malleability bearing ester moieties at C-3 have been shown to participate in enantioselective phase-transfer-catalysed alkylations promoted by ad-hoc designed quaternary ammonium salts derived from ...
Mili Litvajova   +3 more
doaj   +1 more source

Catalytic Enantioselective Fluorination of Oxindoles. [PDF]

open access: yesChemInform, 2005
AbstractFor Abstract see ChemInform Abstract in Full Text.
Yoshitaka, Hamashima   +4 more
openaire   +2 more sources

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