Results 71 to 80 of about 538,570 (408)
Site-Selective C–H Functionalization–Sulfination Sequence to Access Aryl Sulfonamides
Organic Letters, 2020 Aryl sulfinates are precursors to a diverse number of sulfonyl-derived arenes, which are common motifs in pharmaceuticals and agrochemicals. Here, we report a site-selective two-step C–H sulfination sequence via aryl sulfonium salts to access aryl ...
E. Alvarez +3 more
semanticscholar +1 more source
Aryl substitution of pentacenes [PDF]
Beilstein Journal of Organic Chemistry, 2014 A series of 11 new pentacene derivatives has been synthesized, with unsymmetrical substitution based on a trialkylsilylethynyl group at the 6-position and various aryl groups appended to the 13-position. The electronic and physical properties of the new pentacene chromophores have been analyzed by UV–vis spectroscopy (solution and thin films ...
Andreas R. Waterloo +4 more
openaire +4 more sources
Sonochemical Functionalization of Glass
Advanced Functional Materials, EarlyView.A new method for functionalizing glass using ultrasonication of aryl diazonium salts. Aryl radicals generated by ultrasounds react with glass, forming a stable, covalently bonded organic film. The functionalized glass adheres microorganisms such as microalgae, fungi, and bacteria, suggesting potential applications in enzyme production, filtration ...
Tiexin Li +13 more
wiley +1 more source
Transition-metal-catalyzed synthesis of phenols and aryl thiols
Beilstein Journal of Organic Chemistry, 2017 Phenols and aryl thiols are fundamental building blocks in organic synthesis and final products with interesting biological activities. Over the past decades, substantial progress has been made in transition-metal-catalyzed coupling reactions, which ...
Yajun Liu, Shasha Liu, Yan Xiao
doaj +1 more source
Bulky-yet-flexible carbene ligands and their use in palladium cross-coupling [PDF]
, 2019 In recent years, several classes of new N-heterocyclic carbene (NHC) ligands were developed around the concept of flexible steric bulk. The steric hindrance of these ligands brings stability to the active species, while ligand flexibility still allows ...
Cazin, Catherine +2 more
core +1 more source
Arylation Chemistry for Bioconjugation [PDF]
Angewandte Chemie International Edition, 2019 AbstractBioconjugation chemistry has been used to prepare modified biomolecules with functions beyond what nature intended. Central to these techniques is the development of highly efficient and selective bioconjugation reactions that operate under mild, biomolecule compatible conditions. Methods that form a nucleophile–sp2 carbon bond show promise for
Chi Zhang +6 more
openaire +5 more sources
Advanced Functional Materials, EarlyView.In this work, a new tetracene derivative, 5,11‐di(thiophen‐2‐yl)tetracene (2T‐Tc) is introduced, exhibiting enhanced physical and chemical stability, and retaining favorable singlet fission kinetics with near unity triplet pair yield in thin films.
Jieun Lee +11 more
wiley +1 more source
Physical-chemical characterization of a PEEK surface irradiated with electron beams [PDF]
arXiv, 2021 The changes of surface structure, induced by electron beam irradiation (EBI) on the surface of poly(aryl-ether-ether-ketone) (PEEK), were investigated by using a range of various experimental techniques, such as tribology, Raman, AFM, NMR, FTIR.
arxiv
Aryl Functionalization as a Route to Band Gap Engineering in Single Layer Graphene Devices [PDF]
Nano Letters, 11, 4047 (2011), 2012 Chemical functionalization is a promising route to band gap engineering of graphene. We chemically grafted nitrophenyl groups onto exfoliated single-layer graphene sheets in the form of substrate-supported or free-standing films. Our transport measurements demonstrate that non-suspended functionalized graphene behaves as a granular metal, with variable
arxiv +1 more source
A constitutive active MAPK/ERK pathway due to BRAFV600E positively regulates AHR pathway in PTC [PDF]
, 2015 The aryl hydrocarbon receptor (AHR) is a ligand-activated transcription factor mediating the toxicity and tumor-promoting properties of dioxin. AHR has been reported to be overexpressed and constitutively active in a variety of solid tumors, but few data
Barollo, Susi +16 more
core +3 more sources