Results 51 to 60 of about 16,959 (230)
Synthesis of novel photochromic pyrans via palladium-mediated reactions
Beilstein Journal of Organic Chemistry, 2009 Photochromic pyrans for applications in material and life sciences were synthesized via palladium-mediated cyanation, carbonylation and Sonogashira cross-coupling starting from bromo-substituted naphthopyran 1 and benzopyrans 2a/b.
Christoph Böttcher +7 more
doaj +1 more source
In Vitro and In Silico Evaluation of Cladophora sp. as an Anti-Inflammatory Agent via COX-2 (Cyclooxygenase-2) Inhibition [PDF]
BIO Web of ConferencesCladophora sp. is known to contain chemical constituents with pharmacological properties. The secondary metabolites present in Cladophora sp. include alkaloids, phenolic compounds, saponins, and terpenoids, and it has been reported to exhibit anti ...
Bintari Yoni Rina, Kusumawati Shinta
doaj +1 more source
Synthesis and spectral characterization of a fluorescent marker [PDF]
, 2004 A fluorescent naphtofuran was synthetized from benzopyran by alcaline ring contraction and coupled to the α-amine group of various amino acids, in order to evaluate its applicability as a fluorescent marker for biomolecules.
Costa, Susana P. G. +2 more
core +1 more source
Journal of the Science of Food and Agriculture, Volume 105, Issue 5, Page 2765-2776, 30 March 2025.Abstract BACKGROUND Over the past two decades, the global incidence of gout has markedly increased, affecting people worldwide. Considering the side effects of xanthine oxidase (XO) inhibitor drugs (e.g. allopurinol and febuxostat) used in the treatment of hyperuricemia and gout, the potential application of phytochemicals has been widely studied.
Tímea Bencsik +6 more
wiley +1 more source
Novel Tricyclic Flavonoids as Promising Anti-MRSA Agents
PharmaceuticalsBackground: Methicillin-resistant Staphylococcus aureus (MRSA) is considered the main cause of nosocomial and community-associated infections. Because of antimicrobial resistance, MRSA infections are difficult or impossible to treat, leading to high ...
Cristina-Veronica Moldovan +6 more
doaj +1 more source
Methyl 3-(4-fluorophenyl)-1-methyl-1,2,3,3a,4,9b-hexahydrochromeno[4,3-b]pyrrole-3a-carboxylate
Acta Crystallographica Section E, 2011 In the title compound, C20H20FNO3, the pyrrolidine and benzopyran rings adopt half chair and twisted half chair conformations, respectively. The carboxylate group is almost perpendicular to the pyran ring [89.4 (1)°].
G. Chitra Devi +4 more
doaj +1 more source
Thermally Bistable Stiff Stilbene Photoswitches and Polymer Applications
The Chemical Record, EarlyView.Thermally stable photoswitches offer new opportunities for controlling polymer structures and functions under nonequilibrium conditions. This Personal Account highlights stiff stilbene (SS) and sterically hindered stiff stilbene (HSS) photoswitches, which combine large structural changes with exceptional thermal bistability.
Keiichi Imato
wiley +1 more source
Organic nanoparticulate photochromes [PDF]
, 2013 Photochromic organic dyes can be widely used in materials for optically rewritable data storage, photonic switches, memories, sensors, or actuators. In recent years photochromic materials based on nanoparticles became particularly focused, since they can
Feczkó, Tivadar, Voncina, Bojana
core +1 more source
Analytical Science Advances, Volume 7, Issue 1, June 2026.ABSTRACT This study investigated the prevalence of electronic smoking device (ESD) use and its associated behavioural and chemical risks among university students in Bahia, Brazil. A cross‐sectional survey was conducted with 355 students from public and private institutions through an online questionnaire between April and May 2023. Among participants,
Eduard F. Valenzuela +7 more
wiley +1 more source
In Vitro Evaluation of Antileishmanial Activity of Commiphora myrrha Essential Oil Nanoliposome
Veterinary Medicine and Science, Volume 12, Issue 3, May 2026.This study investigates the efficacy of nanoliposomal formulations containing myrrh essential oil in combating Leishmania protozoa in laboratory settings. Myrrh essential oil and nanoliposomes were prepared in RPMI‐1640 medium at concentrations of 1, 2, 5 and 10 µg/dL.
Zahra Akbari +2 more
wiley +1 more source