Results 61 to 70 of about 9,186 (209)

Development of Synergetic Combinations of a Novel Apoptosis Inducer with AKT and Hsp90 Selective Inhibitors Targeting Hormone-Sensitive and Hormone-Resistant Breast Cancer Cells

open access: yesProceedings
Introduction: The design and development of antitumor compounds based on an isatin core led to the synthesis of 1-substituted isatin-5-sulfonamides with potent antiproliferative activity [...]
Diana I. Salnikova   +7 more
doaj   +1 more source

Study of Some Bidentate Schiff Bases of Isatin as Corrosion Inhibitors for Mild Steel in Hydrochloric Acid Solution

open access: yesInternational Journal of Electrochemical Science, 2012
The effect of Schiff base compounds, namely, ethylenediamine bis-isatin (EDBI), hexane 1,4-diamine bis-isatin (HDBI) and thiocarbohydrazide bis-isatin (TCBI) were investigated by gravimetric, potentiodynamic polarization, electrochemical impedance ...
Ashish Kumar Singh, M.A. Quraishi
doaj   +1 more source

Chemistry, Applications, and Synthesis Methods of Indole Derivatives: A Comprehensive Review

open access: yesThe Chemical Record, Volume 25, Issue 12, December 2025.
Indole and its derivatives represent a vital class of heterocycles with broad applications in pharmaceuticals, agrochemicals, and materials science. This review explores their applications, biosynthesis, key derivatives such as tryptophan, and presents an overview of both classical and modern synthetic methodologies, with a focus on sustainable ...
Raphael Silva Moratório de Moraes   +10 more
wiley   +1 more source

Spectroscopic studies on Isatin-3-Semicarbazone and Isatin-3-Thiosemicarbazone

open access: yesGlobal Journal of Pure and Applied Sciences, 2004
The configurations of semi-and thiosemicarbazone derivatives of isatin are assigned by means of 1H and 13C NMR Spectroscopy including NOE difference spectra, IR and electronic spectral data of these compounds are also reported and discussed. The electron impact (EI), fast atom bombardment (FAB) and negative ion chemical ionization (NICI) mass spectra ...
openaire   +3 more sources

The BioColour Library

open access: yesColoration Technology, Volume 141, Issue 6, Page 762-775, December 2025.
Abstract The attraction of adopting natural and bio‐based colourants in applications has grown, but their use suffers from a lack of certification bodies, standards and reference data. In the BioColour project, we are developing an open database and tools for the characterisation, authentication and quality analysis of biocolourant sources ...
Joni Hyttinen   +2 more
wiley   +1 more source

Study of Antioxidant Activity of the Derivatives of Quinoline-4-carboxylic Acids by the Modification of Isatin via Pfitzinger Reaction

open access: diamond, 2023
Sakti Fikriya   +80 more
openalex   +2 more sources

N-Alkyl-Substituted Isatins Enhance P2X7 Receptor-Induced Interleukin-1β Release from Murine Macrophages

open access: yesMediators of Inflammation, 2016
Extracellular adenosine 5′-triphosphate (ATP) activates the P2X7 receptor channel to induce the rapid release of the proinflammatory cytokine, interleukin- (IL-) 1β, from macrophages. Microtubule rearrangements are thought to be involved in this process.
Ronald Sluyter, Kara L. Vine
doaj   +1 more source

Evaluation of the Antibacterial Activity of Isatin against Campylobacter jejuni and Campylobacter coli Strains

open access: yesApplied Microbiology
Antibiotic resistance, particularly against fluoroquinolones and macrolides, has emerged globally among thermophilic Campylobacters (Campylobacter jejuni and Campylobacter coli), giving rise to concerns about the efficacy of antibiotic treatment of these
Claudia B. Barroso   +4 more
doaj   +1 more source

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