Results 51 to 60 of about 24,728 (306)

Scientific Opinion on the safety and efficacy of thiazoles, thiophene, thiazoline and thienyl derivatives (chemical group 29): 3-acetyl-2,5-dimethylthiophene when used as a flavouring for all animal species [PDF]

open access: yesEFSA Journal, 2013
The current opinion concerns only one of the compounds belonging to chemical group 29, 3-acetyl-2,5-dimethylthiophene. 3-Acetyl-2,5-dimethylthiophene is genotoxic in vitro and in vivo.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP)
doaj   +1 more source

The Structure of Biologically Active Functionalized Azoles: NMR Spectroscopy and Quantum Chemistry

open access: yesMagnetochemistry, 2022
This review summarizes the data on the stereochemical structure of functionalized azoles (pyrazoles, imidazoles, triazoles, thiazoles, and benzazoles) and related compounds obtained by multipulse and multinuclear 1H, 13C, 15N NMR spectroscopy and quantum
Lyudmila I. Larina
doaj   +1 more source

Application of Docking Analysis in the Prediction and Biological Evaluation of the Lipoxygenase Inhibitory Action of Thiazolyl Derivatives of Mycophenolic Acid

open access: yesMolecules, 2018
5-LOX inhibition is among the desired characteristics of anti-inflammatory drugs, while 15-LOX has also been considered as a drug target. Similarity in inhibition behavior between soybean LOX-1 and human 5-LOX has been observed and soybean LOX (sLOX ...
Evangelia Tsolaki   +4 more
doaj   +1 more source

Synthesis and single crystal structures of substituted-1,3-selenazol-2-amines [PDF]

open access: yes, 2016
This article belongs to the Special Issue Celebrating Two Centuries of Research in Selenium Chemistry: State of the Art and New ProspectivesThe synthesis and X-ray single crystal structures of a series of new 4-substituted-1,3-selenazol-2-amines is ...
Du, Junyi   +3 more
core   +2 more sources

Covalent Organic Frameworks for Photocatalysis

open access: yesAdvanced Materials, EarlyView.
This review provides an overview of recent advances in covalent organic frameworks (COFs) for photocatalysis, focusing on sustainable energy applications like water splitting, hydrogen peroxide generation, and CO2 and N2 reduction. It discusses design principles, structure‐function relationships, challenges in COF photocatalysis, and strategies to ...
Bikash Mishra   +6 more
wiley   +1 more source

Synthesis and Biological Evaluation of Some Novel Thiazole-Based Heterocycles as Potential Anticancer and Antimicrobial Agents

open access: yesMolecules, 2019
A novel series of thiazole-based heterocycles was synthesized using 1,3-dipolar cycloaddition reactions in the presence of chitosan-grafted-poly(vinylpyridine) as an eco-friendly biopolymeric basic catalyst.
Sraa Abu-Melha   +5 more
doaj   +1 more source

EFSA CEF Panel (EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids), 2013. Scientific Opinion on Flavouring Group Evaluation 93, Revision 1 (FGE.93Rev1) [PDF]

open access: yes, 2013
International ...
Aeschbacher   +20 more
core   +1 more source

State‐of‐the‐Art, Insights, and Perspectives for MOFs‐Nanocomposites and MOF‐Derived (Nano)Materials

open access: yesAdvanced Materials, EarlyView.
Different approaches to MOF‐NP composite formation, such as ship‐in‐a‐bottle, bottle‐around‐the‐ship and in situ one‐step synthesis, are used. Owing to synergistic effects, the advantageous features of the components of the composites are beneficially combined, and their individual drawbacks are mitigated.
Stefanos Mourdikoudis   +6 more
wiley   +1 more source

A Convenient Ultrasound-Promoted Synthesis of Some New Thiazole Derivatives Bearing a Coumarin Nucleus and Their Cytotoxic Activity

open access: yesMolecules, 2012
Successful implementation of ultrasound irradiation for the rapid synthesis of a novel series of 3-[1-(4-substituted-5-(aryldiazenyl)thiazol-2-yl)hydrazono)ethyl]-2<em>H</em>-chromen-2-ones<strong> 5a</strong>–<strong>h< ...
Sobhi M. Gomha, Khaled D. Khalil
doaj   +1 more source

An Efficient Method for the In Vitro Production of Azol(in)e-Based Cyclic Peptides [PDF]

open access: yes, 2014
Heterocycle-containing cyclic peptides are promising scaffolds for the pharmaceutical industry but their chemical synthesis is very challenging. A new universal method has been devised to prepare these compounds by using a set of engineered marine ...
Craik   +26 more
core   +2 more sources

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