Results 21 to 30 of about 6,092 (260)
Frontiers in Pharmacology, 2020 Lithraea caustica (Molina) Hook. and Arn. (Anacardiaceae), common name Litre, is an evergreen endemic plant used in the Mapuche Chilean folk medicine. The stem juice of L.
Alejandra Muñoz-Ramírez +4 more
doaj +1 more source
Frontiers in Pharmacology, 2012 Polycyclic aromatic hydrocarbons (PAH) are ubiquitous environmental pollutants. They are procarcinogens requiring metabolic activation to elicit their deleterious effects.
Li eZhang +3 more
doaj +1 more source
Beilstein Journal of Nanotechnology, 2014 Quinone tanning is a well-characterized biochemical process found in invertebrates, which produce diverse materials from extremely hard tissues to soft water-resistant adhesives.
Seonki Hong, Hyukjin Lee, Haeshin Lee
doaj +1 more source
Cytotoxic effects of catechols to glial and neuronal cells
Frontiers in Cellular Neuroscience, 2015 Catechols are compounds that autoxidises under physiological conditions leading to the formation of reactive oxygen species (ROS), semiquinones, and quinones.
Ramon Santos El-Bachá
doaj +1 more source
In vitro evaluation of the effect of C-4 substitution on methylation of 7,8-dihydroxycoumarin: metabolic profile and catalytic kinetics [PDF]
Royal Society Open Science, 2018 Daphnetin (7,8-dihydroxycoumarin (7,8-DHC)) and its C-4 derivatives have multiple pharmacological activities, but the poor metabolic stability of these catechols has severely restricted their application in the clinic.
Yang-Liu Xia +5 more
doaj +1 more source
A redox-neutral catechol synthesis
Nature Communications, 2017 Catechols are common structural motifs in bioactive molecules and synthetic building blocks. Here the authors report a method to convert phenol derivatives into catechols via an iridium-catalysed redox-neutral C–H hydroxylation, giving diversely ...
Qian Wu +9 more
doaj +1 more source
Mussel‐Inspired Polyglycerol Coatings for Surface Modification with Tunable Architecture
Advanced Materials Interfaces, 2023 Mussel‐inspired coatings, known for their outstanding substrate‐independent adhesive capabilities, have numerous potential applications in materials science and biomedical fields.
Peng Tang +5 more
doaj +1 more source
Zirconium-catalyzed one-pot synthesis of benzoxazoles using reaction of catechols, aldehydes and ammonium acetate. [PDF]
Sci RepIn this study, an efficient method for the synthesis of benzoxazoles by coupling catechols, aldehydes and ammonium acetate using ZrCl4 as catalyst in ethanol is reported. A wide range of benzoxazoles (59 examples) are smoothly produced in high yields (up
Mohammadi M +4 more
europepmc +2 more sources
Kinetic Study of the Oxidation of Catechols in the Presence of N-Methylaniline
Journal of Chemistry, 2013 The reactions of electrochemically generated o-quinones from oxidation of catechol and 4-methylcatechol as Michael acceptors with N-methylaniline as nucleophile have been studied using cyclic voltammetry.
Lida Khalafi +3 more
doaj +1 more source
Pro- and Anti-oxidant Properties of Redox-Active Catechol-Chitosan Films
Frontiers in Chemistry, 2019 Catechols are abundant in nature and are believed to perform diverse biological functions that include photoprotection (e.g., melanins), molecular signaling (e.g., catecholamine neurotransmitters), and mechanical adhesion (e.g., mussel glue).
Eunkyoung Kim +7 more
doaj +1 more source