Results 71 to 80 of about 36,394 (277)

Buck Wheat: Nutritional, Bioactive Characteristics, Health Benefits, and Side Effects

open access: yesFuture Postharvest and Food, EarlyView.
ABSTRACT Micronutrient deficits have resulted from an over‐reliance on a small number of cereal crops for food security. The agricultural sector faces severe sustainability issues due to the rapid growth of the world's population and sudden climatic changes.
Momina Farooq   +2 more
wiley   +1 more source

Dichloromethylation of enones by carbon nitride photocatalysis

open access: yes, 2020
Small organic radicals are ubiquitous intermediates in photocatalysis and are used in organic synthesis to install functional groups and to tune electronic properties and pharmacokinetic parameters of the final molecule.
Antonietti, M.   +4 more
core   +1 more source

Studi in Silico Senyawa Turunan Analog Kalkon Dan Pirimidin Sebagai Antiinflamasi: Prediksi Absorpsi, Distribusi, Dan Toksisitas [PDF]

open access: yes, 2016
Kalkon merupakan golongan flavonoid yang mempunyai aktivitas biologis seperti antioksidan, antiinflamasi, dan antibakteri. Penelitian ini bertujuan untuk memprediksi profil farmakokinetik (absorpsi dan distribusi) serta toksisitas senyawa turunan analog ...
Awaluddin, A. (Akbar)   +2 more
core   +2 more sources

Electron Donor–Acceptor Complexes Without Preinstalled Sacrificial Leaving Groups: Applications in Synthesis

open access: yesHelvetica Chimica Acta, EarlyView.
Leaving‐group–free electron donor–acceptor (EDA) complexes have emerged as a practical platform for photocatalyst‐free radical generation under visible light. This review highlights recent advances in coupling and cyclization reactions driven by such EDA complexes, emphasizing their atom‐economical and sustainable feature.
Wenheng Liu, Line Næsborg
wiley   +1 more source

Synthesis and Biological Evaluation of Some New Chalcones Containing 2,5-Dimethylfuran Moiety

open access: yesE-Journal of Chemistry, 2011
A series of new chalcones (3a-g) were prepared by Claisen-Schmidt condensation of 3-acetyl-2,5-dimethylfuran with various substituted aromatic aldehydes in presence of aqueous solution of potassium hydroxide and ethanol at room temperature.
S. Sridhar   +2 more
doaj   +1 more source

Antimicrobial, Antioxidant, and Anticancer Activities of Some Novel Isoxazole Ring Containing Chalcone and Dihydropyrazole Derivatives

open access: yesMolecules, 2020
Our previous work identified isoxazole-based chalcones and their dihydropyrazole derivatives as two important five-membered heterocycles having antitubercular activity.
Afzal Shaik   +5 more
doaj   +1 more source

Chalcones: Synthetic Chemistry Follows Where Nature Leads

open access: yesBiomolecules, 2021
Chalcones belong to the flavonoid class of phenolic compounds. They form one of the largest groups of bioactive natural products. The potential anticancer, anti-inflammatory, antimicrobial, antioxidant, and antiparasitic properties of naturally occurring
Hiba A. Jasim   +5 more
doaj   +1 more source

Bioaccessibility of anthocyanins and bioactive compounds from Brazilian berries and their food matrix interaction: an in vitro gastrointestinal digestion study coupled to UHPLC‐ESI‐TQD‐MS/MS analysis

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND Several commercial berries have been examined for anthocyanin composition, bioaccessibility, and bioactive effects, while Brazilian berries remain underexplored. This study aimed to access the effect of in vitro gastrointestinal digestion on anthocyanin bioaccessibility, stability, and antioxidant potential in black pitanga (Eugenia
Paulo Berni   +6 more
wiley   +1 more source

Microwave‐Assisted Organic Syntheses in Deep Eutectic Solvents: A Win‐Win Association for Sustainable Chemistry

open access: yesChemistryOpen, EarlyView.
In organic synthesis, deep eutectic solvents (DES) have demonstrated their ability to be used as reaction media for the development of reactions in line with green chemistry principles. This review presents an overview of microwave‐assisted organic synthesis in DES, highlighting the diversity of uses for these solvents, their role in mechanisms, the ...
Pierre‐Olivier Delaye   +2 more
wiley   +1 more source

Synthesis and study of polyhydroxylated phenol derivatives with potential cosmetic and phytoiatric applications [PDF]

open access: yes, 2013
Tyrosinase (polyphenol oxidase, E.C. 1.14.18.1) and laccase (phenol oxidase, E.C. 1.10.3.2) are multifunctional copper-containing enzymes, that are keys in melanin biosynthesis, melanisation in animals and browning in plants.
Dallocchio, Roberto   +8 more
core  

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