Showing papers in "Journal of Fluorine Chemistry in 1974"

TL;DR: The thermal stability of the Grignard reagent and the products of the thermal decomposition have been estimated in diethyl ether and tetrahydrofuran as mentioned in this paper.

TL;DR: Most known nonradioactive pentafluorides have been examined by molecular-beam mass spectrometry and by the deflection of molecular beams in inhomogeneous electric fields as discussed by the authors.

TL;DR: In this article, various perfluoro-aliphatic Grignard reagents have been reacted with H 3 O +, CO 2, (CF 3 ) 2 CO and cyclohexanone to yield R f H, R f CO 2 H and 1-cyclo-C 6 H 10 (OH)R f compounds.

TL;DR: In this paper, l'addition thermique des Iodo-1-perfluoroalcanes (C n F 2 n + 1 I ou n = 4, 6, 8) was studied.

TL;DR: In this paper, the spin-spin coupling constants of polyfluorinated trifluoromethylbenzenes have been analyzed in terms of the resonance structures which contribute to the overall positive charge distribution.

TL;DR: In this article, Pseudohalogenid CF3SO2NCO wird nach einem neuen Verfahren aus Trifluormethansulfonamid und Chlorsulfonylisocyanat hergestellt.

TL;DR: In this paper, the unsymmetrical isomers of dichlorotetrafluoroethane and trichlorotrifluoroethylene were obtained in the presence of an aluminium fluoride catalyst.

TL;DR: In this article, a linear correlation exists between the volumes and heat capacities of transfer of alcohols from pure liquids to aqueous solution at infinite dilution, and the lines differ for alkanols and fluoroalcohols.

TL;DR: In this paper, the influence of substituents on the 19F chemical shifts and spin-spin coupling constants J(FF) has been analyzed in terms of their effects on contributions of the resonance structures controlling the positive charge distrubution on the coplanarity of the phenyl rings and the plane of the α-carbon bonds.

TL;DR: In this paper, the nucleophile substitutions am Carbonylkohlenstoff am Sulfensaurechloriden (SCl Rest) are discussed. Butt et al. show that the Reaktivitat der S Cl-Bindung weist bei beiden SCL-Bindings keinen nennenswerten Unterschied auf.

TL;DR: In this article, eine Verminderung des Abstandes der beiden Tripletts is given, ein Indiz fur die Bildung von Assoziaten des Schwefeltetrafluorids in Losungen.

TL;DR: In this article, the reactions of the fluorobenzenes, C 6 F 5 H, o -C 6 H 2 F 4, m -c 6 F 2 H 4, p-C 6 F 3 H 2 (SMe), and C 6F 2 H 2(SMe) 2 have been studied in ethylene glycol/pyridine mixtures as a solvent.

TL;DR: In this article, a halogen-metal exchange reaction between perfluoroalkyl iodides (R f I) and EtMgBr was shown to yield trans- vinyl bromide.

TL;DR: In this article, the katalytische Umwandlung durch Fluorwassertoff ausgeschlossen wird, erfolgt der Austausch bsw.

TL;DR: Esters of propionic, acrylic, succinic, maleic and acetylene dicarboxylic acid have been fluorinated over KCoF 4 to give mixtures containing polyfluoroacid fluorides which have been isolated as esters, separated and characterised.

TL;DR: The electrochemical fluorination of chloropolyfluoroethers has been studied in this article, where it was found that a chlorine bonded to an a -carbon atom in the ethers was readily removed during electrochemical reaction in anhydrous hydrogen fluoride, whilst a chlorine bond to the β-carbon atom was retained to yield β-chlorinated polyfluoro ethers.

TL;DR: In this paper, a trifluormethyljod-difluorid is bildet with Acetonitril, Pyridin and Chinolin 1:1-Komplexe, die mit zunehmender Donorwirkung der N-basen stabiler werden.

TL;DR: In this article, die Darstellung von 4-Tetrafluorpyridylderivaten der genannten Metalle werden diskutiert.

TL;DR: In this paper, it was shown that trifluoromethanesulphonates (triflates) with nucleophiles undergo predominently S-O scission in their reactions with 1H, 1H-perfluoroalkoxides and with ethoxide.

TL;DR: The crystal structure of [(Me2N)2TiF24] has been determined by single-crystal X-ray diffraction as discussed by the authors, and the structure has been refined to R = 0.077 for 231 visually estimated unique reflections.

TL;DR: In this article, the title compounds were prepared from 1-lithio-undecafluorobicylco(2,2,1)-heptane, and from 1H,4-Lithiodecafluornobicyclo (2, 2, 1)heptANE and 1H-decafloorobicyCLo(2.2, 1)-4-yl magnesium iodide with mercuric chloride.

TL;DR: In this article, it was shown that polyfluorinated benzophenones and diphenyldifluoromethanes can be obtained both by hydrolysis and by pouring into HF solutions of the salts of polyfluoric α-fluorodiphenylmethyl cations.

TL;DR: In this paper, a new technique for direct fluorination has been used to prepare several new fluorocarbon polymers, including poly-p -xylylene, polyisobutylene, Novolac and a highly crosslinked phenolic resin.