Showing papers in "Journal of Fluorine Chemistry in 1985"

TL;DR: Perfluoroalkyl iodides react readily with simple olefins in the presence of catalytic amounts of copper in diglyme or acetic anhydride to give adducts in high yields as mentioned in this paper.

TL;DR: The addition of perfluoroalkyl iodides RFI to 1-alkenes can be catalyzed by transition metals, especially by noble metals such as ruthenium or platinum.

TL;DR: In this article, a method for the rapid preparation of no-carrier-added (NCA) 18F-labeled aryl fluorides by treatment of the corresponding aryldimethylsulfonium perchlorates with 18Flabeled fluoride in DMSO is described.

TL;DR: In this paper, a general principle is proposed for the construction of the new superstrong electron-accepting substituents by the replacement of oxygen atoms for trifluoromethylsulfonylimino groups.

TL;DR: In this article, trifluoromethylation reactions of (CF3)2Hg, CF3I and (CF 3)2Te with cyclohexene, benzene and pyridine are compared under similar conditions.

TL;DR: In this paper, the title reaction leads to the formation of 2- and 3-perfluoroalkyl thiophenes, and a carbenoid mechanism is invoked to explain the presence of a rearrangement product.

TL;DR: In this paper, the ECbECN results from electrochemical fluorination of some acyl halides (benzoyl, n-butyryl, and iso-, benzenesulphonyl) and amines (tripropylamine and N-methylmorpholine).

TL;DR: In this paper, the free-radical adducts of fluorinated alkenes, to ethers, over cobalt trifluoride are described and perfluorinated ethers are obtained at temperatures in excess of 400°C.

TL;DR: In this article, F -alkyl iodides with cadmium powder in DMF at room temperature was used to obtain a one-pot F -aryl cadmiamium reagent in excellent yield.

TL;DR: A series of phenyltellurium(VI) fluorides have been prepared by the oxidative-fluorination of tellurium compounds with xenon difluoride as mentioned in this paper.

TL;DR: In this article, the use of fluorosulfonic acid and sulfuric acid instead of triflic acid has been used to synthesize (1,l-dihydroperfluoroalkyl) phenyliodonium triflate.

TL;DR: In this article, the trimethylsilyl enol ethers of cycloalkanones and acid esters are converted in high yields to the corresponding α-fluoro carbonyl derivative using XeF 2 in CH 2 Cl 2.

TL;DR: The binary selenium fluorides SeF n (n = 2, 4, 6) and Se 2 F 2 were considered along with corresponding perfluorohalogeno- organoselenium compounds with Se in the oxydation states 1, 2,4 and 6.

TL;DR: The effects of fluoride concentration in water and in aqueous organic solvents on chemical shifts of fluorine were investigated in this paper, where hydrogen fluoride was dissolved in water, and in anhydrous and anhousrous organic solvent (methanol, ethylene glycol, dimethoxyethane, carbitol (diethyleneglycol monoethyl ether), tetrahydrofuran, dioxane, dimethylformamide, acetonitrile, dimethylammonium sulfone), and sulfolane (tetram

TL;DR: In this article, the authors synthesized new fluorinated surfactants (anionic, cationic or amphoteric) with an hydroxyl on Cα to the perfluoroalkyl chain.

TL;DR: In this article, the reaction of perfluoroalkyl iodides R F I and 1-perfluoro-alkyl-2-iodoethanes R F C 2 H 4 I, in presence of a zinc-copper couple in alkyl phosphates solvents, is described.

TL;DR: In this article, the electronic and steric effects are considered, which can influence the reactivity and the relative stability of the intermediate carbocations, and the perfluoro-1-benzocyclobutenyl cation has been generated in the reaction of antimony pentafluoride with perfluorobenzocycobutene.

TL;DR: In this paper, the microbial transformations of a number of ynones bearing a trifluoromethyl group prepared by the reaction of ethyltrifluoroacetate with a variety of lithium alkynates have been undertaken.

TL;DR: In the past fifteen years, a number of new reactions of sulphur tetrafluoride with carbonyl compounds have been discovered as discussed by the authors, including the formation of bis(1,1-difluoroalkyl) ethers from alkanecar☐ylic acids, bis( 1,fluoroalkylic) ether from aliphatic aldehydes, and cyclic fluoroethers from difunctional car-nyl acids and alde-hydes.

TL;DR: In this paper, the reactions of a variety of aryltrimethylsilyl derivatives with elemental fluorine and acetyl hypofluorite were studied with the aim of developing a general method for labeling aromatic compounds with fluorine-18.

TL;DR: A new synthesis of 3,3,3-trifluoroalanine starting from hexafluoroacetone is described in this article, where the synthesis process is described as follows:

TL;DR: In this article, a practical synthesis of [Ph3 P + CH2F]BF4− was reported via two routes, via fluorination of BF4− with DAST or via hydrolysis of the phosphoranium salt, [Ph 3 P + C F P + Ph3]Br−.

TL;DR: In this paper, a series of F-forCl and Cl-forF halogen exchange reactions occurring at the catalyst surface are described in terms of series of f-for-Cl and F-For-F interactions.

TL;DR: In this paper, the reactions of perfluoro-1-methyl- and -1-ethyl-benzocyclobutenes with Lewis acids (SbF 5, AlCl 3, AlBr 3 ) have been studied.

TL;DR: In this paper, the influence of various crown-ethers on the reactions of polychloroaromatic compounds with alkali metal fluorides (KF, RbF, CsF) has been studied.

TL;DR: The stable trihalogenomethanesulfenyl acetates, AcOSCFnCl3−n (2) were prepared by the reaction of the corresponding tri-halogeno- methane sulfenyl chlorides with sodium acetate as discussed by the authors, and were added rapidly in trans manner to cyclohexene to yield β-acetoxy and β-trifluoroacetoxy sulfides.

TL;DR: In this paper, the reaction of hexafluoropropene (HFP) with a series of alcohols under thermal, photochemical or peroxide-initiated conditions affords the 1:1 adducts CF3CHFCF2CR1R2OH (R1 = H, R2 = H.

TL;DR: In this paper, the mass and vibrational spectra of tellurium fluorides are described, as well as their properties and 19 F n.m.r. spectra.

TL;DR: Tetraphenylphosphonium hydrogluoride acts as a powerful source of F− in various reactions with organic substrates to give fluorine containing-products.

TL;DR: In this article, the diarylamines expected from nitrene insertions at nuclear CH bonds (ArFN3 + ArH→ArFNHAr + N2) were obtained.