Showing papers in "Journal of Fluorine Chemistry in 2018"

TL;DR: In this paper, the interaction of 5-fluorouracil (FU) drug and undoped/doped graphene quantum dots (GQDs) was investigated with the help of density functional theory (DFT) calculations.

TL;DR: The Sulfur (VI) Fluoride Exchange Reaction (SuFEx) was developed by Sharpless and co-workers in 2014 and is a promising new click reaction that rests on the extraordinary elevated reactivity of sulfonyl fluorides and fluorosulfates with desired appropriate nucleophiles including silyl ethers and amines as discussed by the authors.

TL;DR: The results were consistent for aqueous solutions containing 100 mg/L−1 (ppm) of fertilizer and the average values of fluoride from four different studies varied from 0.140 ± 0.068% to 0.158% (w/w) for the seven commercial phosphate fertilizers as mentioned in this paper.

TL;DR: In this paper, a visible light photoredox-catalyzed difluoromethylation and ring expansion via 1,2-carbon migration of 1-(1-arylvinyl)cyclobutanol derivatives has been developed.

TL;DR: In this paper, the authors examined the properties of reactions between β-trifluoromethylated nitroethenes and cyclopentadiene using DFT computational methods and found that all considered processes have a polar nature.

TL;DR: In a continuing search for “curcuminoid (CUR) inspired” compounds with potential antitumor activity, a series of 21 new CUR-BF2 adducts and CURs bearing fluorine, trifluoromethylthio, trifteromethoxy, and trifLUorometHyl substitutents were synthesized in an effort to improve physicochemical properties such as lipophilicity and metabolic stability.

TL;DR: In this article, the recently obtained data on new synthetic approaches to fluorinated indoles, as well as their biological properties are considered, in the frames of a review article, where the authors considered the biological properties of indoles.

TL;DR: In this paper, a visible light induced hydrodifluoromethylation of alkenes derived from oxindoles with (difluorsophyl)triphenylphosphonium bromide was developed.

TL;DR: In this paper, the insulation and decomposition characteristics of C5F10O/air gas mixture were examined using gas-insulation performance test platform, and the decomposition products were detected by gas chromatography-mass spectrometry.

TL;DR: In this article, three different natural materials and their modifications were studied for fluoride removal from aqueous solutions: clinoptilolite (C), montmorillonite (M), and pumice (P).

TL;DR: In this article, an S-F activation of sulfur hexafluoride with TEMPO lithium and subsequent reaction with an alkene affording an aliphatic SF5-containing product was described.

TL;DR: The effect of fluorination on spectroscopic properties of europium and terbium trifluoroacetylacetonates in the solid state has been investigated in this paper.

TL;DR: In this paper, the interaction between high purity nuclear grade graphite IG-110 and molten salt mixture 2LiF-BeF2 (FLiBe) at 700 °C for twelve hours in argon envirnoment resulted in graphite fluorination and changes of graphite microstructure.

TL;DR: In this article, phase and microstructure analyses of these fluorite-type solid solution samples were carried out by X-ray diffraction (XRD) and scanning electron microscopy (SEM).

TL;DR: In this paper, the authors performed theoretical calculations about Ptn (n = 1 − 4) cluster adsorption onto CNT (Ptn-CNT), to comprehensively understand the Pt clustering effect on CNT.

TL;DR: A comprehensive overview of the recent synthetic applications of fluorinated chiral sulfinimine reagents for asymmetric synthesis of polyfunctional amino-compounds of biological interest can be found in this paper.

TL;DR: In this article, the Suzuki-Miyaura coupling in a batch system afforded α-(trifluoromethyl)styrenes in high yields, and a flow microreactor system was used for the Suzuki coupling.

TL;DR: In this paper, the interaction between C5-PFK and copper, a common metallic material in electrical equipment, is discussed based on the density functional theory, and the results provide guidance for prediction of long-term behavior of C5PFK gas mixture and the selection or modification of materials used in the equipment.

TL;DR: In this article, a post-synthesized magnetic Fe3O4 with separate two shells, mordenite (MOR) zeolitic shells and CuO shells were post-synthesized and the morphology, structure, magnetic and porous properties were characterized by using X-ray diffraction (XRD), F scanning electron microscope (SEM), transmission electron microscopy (TEM), and vibration sample magnetometer (VSM).

TL;DR: In this article, the nature of the interaction between rare-earth elements (RE) of the yttrium subgroup RE2S3 (Dy − Lu, Y) with hydrofluoric acid (concentration of 49%) was studied.

TL;DR: In this paper, the 19F MAS NMR and XPS spectroscopic data on 11 ternary fluorido-zirconates (Li2ZrF6, Rb2ZRF6 and Cs2ZrgF6) were used to predict 19F NMR spectrum of crystalline compounds with good accuracy.

TL;DR: In this paper, the interaction between characteristic decomposition products of C4F7N and copper, silver based on the density functional theory was studied. But there is no chemical bond formation process between gas molecules and Cu (1 1 1) surface.

TL;DR: A copper-mediated synthesis of α-trifluoromethylselenolated esters was developed in this article, where the α-diazo esters were tolerated in the ortho, meta, and para positions of the phenyl rings.

TL;DR: A metal-free entry to the pharmaceutically meaningful substrate class of trifluoromethyl thioethers has been developed starting from widely available arenediazonium salts and commercially available Me4N+SCF3−.

TL;DR: Screening of the synthesized compounds for their cytotoxic activity against human tumor cell lines, including breast cancer (MCF-7), lung carcinoma (A-549), and myeloma cancer cells (RPMI 8226) revealed that polyfluorinated compounds 6b–f showed manifest cytotoxicity effects.

TL;DR: An ab initio calculation has been performed for the complexes of F2C CFTF3 (T C, Si, and Ge) with three Lewis bases including H2CO, H2O, and NH3.

TL;DR: In this article, a series of novel difluoroacetyl hexahydropyrimidine derivatives have been synthesized by reactions of ethyl 4,4-difluoracetoacetate, 1,1-dIFluoropentane-2,4dione and 1, 1.5,5-tetrafluoroplantane-1,1,5,6tetrafluoropenta-2.4dienes under Mannich reaction conditions.

TL;DR: A series of unique C3 symmetric tripodal receptors, A-E containing hexasubstituted aryl core decorated with an alternate array of coumarin-triazole moieties and methyl groups have been synthesized, characterized and investigated for fluoride ion recognition in dimethyl sulphoxide (DMSO) as mentioned in this paper.

TL;DR: In this paper, a facile synthesis of four fluorinated zwitterionic heterogemini surfactants bearing branched CF3CF2CF2C(CF3)2-group with perfluoro-2-methyl-2pentene as starting material was reported.

TL;DR: In this article, the reaction of the Ruppert-Prakash reagent (Me3SiCF3) with aromatic aldehydes in the presence of triphenylphosphine, lithium iodide and lithium tetrafluoroborate selectively furnishes gem-difluorinated phosphonium salts.