Abstract: A method of separating compounds that includes the steps of: tagging at least a first organic compound with a first tagging moiety to result in a first tagged compound; tagging at least a second organic compound with a second tagging moiety different from the first tagging moiety to result in a second tagged compound; and separating the first tagged compound from a mixture including the second tagged compound using a separation technique based upon differences between the first tagging moiety and the second tagging moiety. The present invention also provides a method for carrying out a chemical reaction including the steps of: tagging a plurality of compounds with different tagging moieties to create tagged compounds, conducting at least one chemical reaction on a mixture of the tagged compounds to produce a mixture of tagged products, and separating the mixture of tagged products by a separation technique based upon differences in the tagging moieties.

Abstract: The present invention is to provide a method for producing a highly branched perfluoroolefin conveniently in a high yield, a novel highly branched perfluoroolefin, a method for producing a super-stable perfluoroalkyl radical and a novel super-stable perfluoroalkyl radical. The present invention is a production method of a perfluoroolefin which comprises reacting a hexafluoropropene trimer with a trialkylperfluoroalkylsilane in an aprotic polar solvent using a fluoride ion as a catalyst.

Abstract: Fluoroalkanes such as fluoromethane labeled with 17F are produced by contacting 17F labeled F2 with alkanes, preferably methane, substituted or unsubstituted alkenes, or substituted or unsubstituted alkynes in the presence of a metal oxide catalyst, preferably a silver oxide catalyst, to produce the 17F labeled fluoroalkane. The 17F may be produced by irradiating 20Ne with protons, preferably having an energy of about 11 MeV and produced by a cyclotron. The 17F labeled fluoromethane or fluoroalkanes may be produced continuously. A method for determining the location of an 17F labeled tracer includes generating an 17F labeled fluoroalkane, administering the 17F labeled fluoroalkane to a test subject, and scanning the test subject with a radiosensitive detector such as a positron emission tomography scanner.

Abstract: The present invention provides a perfluoroolefin-hydrocarbon hybrid compound represented by the following general formula (1): [(CF3)2CX][(CF3)2CY]C═C(CF3)Z   (1) wherein X, Y and Z may be the same or different, and independently represent F or R, excepting that all of X, Y and Z are F, wherein R represents straight chain or branched alkyl and aryl groups having from 1 to 15 carbon atoms. The present invention also provides a method of producing the above compound, and a method of producing a perfluoroalkyl radical by using the above compound as a starting material.

Abstract: Compounds of the formula (I) in which: R1 is H, F, CF3, OCF3, OCF2H, OCFH2, an alkyl radical or an alkenyl radical; R2 is H, an alkyl radical or alkyloxy radical or an alkenyl or alkenyloxy radical; G2—G1 is —CH═CH—, —CH2CH2—, —CF═CH—, —CH═CF—, —CF═CF—, —CH2—, —CF2—; M1, M2 are each, independently of one another, —C(═O)O—, —OC(═O)—, —CH2O—, —OCH2—, —OCF2—, —CF2O—, —C≡C—, —CH2CH2—, —CF2CF2— or a single bond; A1, A2 are each, independently of one another, phenylene-1,4-diyl, unsubstituted, monosubstituted or disubstituted by F, cyclohexane-1,4-diyl, 1,3-dioxan-2,5-diyl; m, n are each, independently of one another, zero or 1; m+n=0 or 1; The invention furthermore provides a liquid-crystal mixture comprising one or more compounds of the formula (I

Abstract: According to the invention there is proposed a process for the preparation of 4,4,4-trifluoro-3-methylamino-crotonic acid esters by dehydrating trifluoroacetoacetic acid esters and methylamine in the presence of an inert reaction medium and of a C1-C4carboxylic acid, in which process the reaction is carried out at a temperature of from 75 to 100° C. without isolation of intermediates and the water that forms during the reaction is removed continuously from the reaction medium.

Abstract: A composition for reducing surface tension comprising from about 0.1% to about 0.5% by weight of a hydrocarbon surfactant and from 0.0001% to about 0.3% by weight of a fluorocarbon surfactant, provided that the hydrocarbon surfactant is present at less than or equal to 0.08% by weight when the fluorocarbon surfactant is present at greater than or equal to 0.

Abstract: Processes for the preparation of parylene dimers, and more particularly to processes for the preparation of derivatives of octafluoro-[2,2]paracylophane, otherwise known as AF4.

Abstract: The polymerizable compound of this invention is represented by general formula (I): where R is H, R′, R′O, R′COO, or R′OCO, R′ is a linear or branched alkyl group or alkenyl group having 1 to about 15 carbon atoms, A1 and A2 are independently a cyclohexane ring or a benzene ring which may include a substituent represented by formula (II) below; X is H or CH3; and Y1, Y2, Y3, and Y4 are independently H, F, Cl, CH3, CH3O, CF3, or CF3O wherein at least two of Y1, Y2, Y3, and Y4 are H and, if both A1 and A2 are cyclohexane rings, at least one of Y1, Y2, Y3, and Y4 is not H: where Y5, Y6, Y7, and Y8 are independently H, F, Cl, CH3, CH3O, CF3, or CF3O, at least two of Y5, Y6, Y7, and Y8 are H.

Abstract: A process for fluorinating a hydrocarbon substrate is by mixing it with an inert diluent and mixing the diluted substrate with a gaseous fluorinating reagent to form a foam reaction mixture. The fluorinating reagent reacts with the substrate in the form to foam product. The foam is separated into a liquid component which contains product and a gas component. Product is withdrawn from the liquid component which is then returned to the diluting step. Fluorinating reagent is fed into the gas component which is then recirculated to the mixing step. An installation for fluorinating a hydrocarbon substrate includes, in sequence as a circuit, a dilution stage, a mixing stage, a reaction stage and a separation stage. Liquid returning means feeds liquid from the separation stage to the dilution stage, and gas recirculation means feeds gas from the separation stage to the mixing stage.

Abstract: A process is disclosed for producing the pentafluoropropenes of the formula CF 3 CX═CF 2 , where X is H or Cl. The process involves hydrodehalogenating CF 3 CCl 2 CF 3 with hydrogen at an elevated temperature in the vapor phase over a catalyst comprising an elemental metal, metal oxide, metal halide and/or metal oxyhalide (the metal being copper, nickel, chromium and the halogen of said halides and said oxyhalides being fluorine and/or chlorine).

Abstract: A process is disclosed for increasing the fluorine content of an olefinic compound of the formula CnHmF2n−m, where n is an integer from 2 to 6 and m is an integer from 1 to 2n. The process involves (a) contacting the olefinic compound with a metal fluoride composition of the formula (AgF)(MF2)x where M is selected from the group consisting of Mn, Fe, Co, Ni, Cu, Zn and mixtures thereof and x is a number from 0 to 1, at a temperature above 200° C. sufficient to transfer F from the metal fluoride composition to the olefinic compound, thereby producing a chemically reduced metal fluoride composition comprising metallic silver; (b) oxidizing the reduced metal fluoride composition from (a) in the presence of HF to regenerate the metal fluoride composition of the formula ((AgF)(MF2)x; and (c) recycling regenerated metal fluoride composition of (b) to (a).

Abstract: Processes involving certain nickel metallacycles with phosphite ligands are disclosed as useful for the manufacture of selected substituted hydrocarbons. Also disclosed are selected compounds including both nickel and phosphite ligands.

Abstract: Diaryl-, dialkoxyalkyl-, alkylalkoxyalkyl-, arylalkoxyalkyl- and cyclic aminosulfur trifluorides fluorinating agents are disclosed.

Abstract: There is provided a process for the preparation of 1,1,1-trichlorotrifluororethane in which 1,1-dichloro-2,2,2-trifluoroethane is subjected to chlorination by bringing the 1,1-dichloro-2,2,2-trifluoroethane into contact with chlorine within a reaction vessel characterised in that the process is conducted in the liquid phasein the presence of a chemical free radical initiator under a pressure of from 1 to 20 bar and at a temperature within the range 50 to 120° C., and the product is separated from the reaction mixture by fractional distillation. The product is useful in the manufacture of insecticides.

Abstract: A fluorination method of oxygen and halogen sites with diaryl-, dialkoxyalkyl-, alkylalkoxyalkyl-, arylalkoxyalkyl- and cyclic aminosulfur trifluorides fluorinating reagents is disclosed.

Abstract: A catalyic process is disclosed for producing fluorine-substituted hydrocarbon products of the formulae RCH2CF2R and RFC═CHR at an elevated temperature, from compounds of the formula RCHFCHFR, where each R is independently selected from the group consisting of —CF3, —CF2CF3 and —CF2CF2CF3 or where both R groups of a formula together are —(CF2)2—, —(CF2)3— or —(CF2)4—. Suitable catalysts include carbon catalysts and catalysts containing at least one compound of a selected metal (e.g., Na, K, Rb, Cs, Y, La, Ce, Pr, Nd, Sm, Cr, Fe, Co, Rh, Ni, Cu, and/or Zn) supported on carbon. The saturated gem-dihydro- products may also be produced by hydrofluorinating the corresponding olefinic product over such catalysts at an elevated temperature, and can be combined with various other miscible solvents to form compositions useful for cleaning.

Abstract: The present invention relates to a process for preparing fluorine-containing compounds by reacting a compound which contains fluorine-exchangeable halogen with a fluoride or a mixture of fluorides with the formula I MeF  (I), in which Me is an alkaline earth metal ion, NH4+-ion or alkali metal ion, in the presence of a compound or a mixture of compounds of the formula (II) in which A1, A2, A3, A4, A5, A6, A7, A8 independently of one another are identical or different and are a straight-chain or branched alkyl or alkenyl having 1 to 12 carbon atoms, cycloalkyl having 4 to 8 carbon atoms, an aryl having 6 to 12 carbon atoms, or an aralkyl having 7 to 12 carbon atoms, or A1 A2, A3A4, A5A6, and A7A8 independently of one another are identical or different and are connected to one another directly or by way of O or N—A9 to form a ring having 3 to 7 ring members, A9 is an alkyl having 1 to 4 carbon atoms and B− is a monovalent acid radical or the equivalent of a polyval

Abstract: Halofluorinated alkylene monomers are made by a method comprising the steps of: (a) subjecting a first polymer which is the reaction product of a fluorinated vinyl monomer and a vinyl comonomer to dehydrohalogenation to form a second polymer; (b) treating the second polymer with an oxidizing agent to form an oxidation product consisting of a .alpha., .omega.-dicarboxylic acid or an ester derivative thereof; and (c) treating said oxidation product with a reducing agent to form a reduction product consisting of a a .alpha., .omega.-diol. Preferably, the first polymer has a structure of --[CH.sub.2 CYZ(CF.sub.2 CFX).sub.n ].sub.m -- wherein X and Y=F, Cl or Br; X and Y may be the same or different; Z=H, F, Cl, Br, alkyl or perfluoroalkyl containing from about 1 to about 10 carbon atoms; n=an integer larger than about 1; and m is an integer between about 2 and about 10.sup.5. The .alpha., .omega.-dicarboxylic acids and .alpha., .omega.-diols produced herein can be directly used as polycondensation monomers.

Abstract: Processes are disclosed for decreasing the chlorine to carbon ratio for halogenated hydrocarbons containing chlorine and from 1 to 6 carbon atoms, in the presence of a multiphase catalyst. The processes each involve (1) preparing a single phase solid catalyst precursor which has a structure that collapses at a temperature of about 400.degree. C. or less and has the formula (NH.sub.3).sub.6 Ru.sub.l-r-s Co.sub.r Cr.sub.s MF.sub.6, where r+s is in the range of 0.00 to 0.99, and M is at least one trivalent metal selected from the group consisting of Al, Cr, Fe, V, Sc and Ga; and (2) producing the multiphase catalyst by heating the single phase solid catalyst precursor to about 400.degree. C. or less in an non-oxidizing atomsphere to produce a multiphase composition wherein a phase containing ruthenium is homogeneously dispersed with a phase containing metal fluoride.Also disclosed are single phase fluoride compositions having the formula (NH.sub.3).sub.6 Ru.sub.l-r-s Co.sub.r Cr.sub.s MF.sub.

Abstract: A method of etching comprising subjecting a material under plasma etching conditions to an etching composition comprising at least an etchant compound having the formula C.sub.X H.sub.C F.sub.Zwherein: x=3, 4 or 5;2x.gtoreq.z.gtoreq.y;and y+z=2x+2; andfurther including an etching composition which includes said etchant compound and a second material different from the etchant compound that enhances or modifies plasma etching.

Abstract: The subject-matter of the present invention is a process of use in perfluoroalkylation and a reactant for making use of this process. This process is defined in that it comprises a stage in which a material of formula RfH and a base (or a species capable of generating a base) are brought into contact, in a polar and anhydrous medium, with a substrate carrying at least one electrophilic functional group. Application to organic synthesis.

Abstract: The invention relates to novel fluorinated organic compounds having the following molecular structure: ##STR1## where R.sub.F is a fluorinated carbon chain, R.sub.1H is hydrogen or a saturated hydrogenated carbon chain, R.sub.2H is hydrogen or a saturated hydrogenated carbon chain, R.sub.1H and R.sub.2H being not simultaneously hydrogen, the group ##STR2## comprising a principal chain and at least one linear or cyclic branch. These compounds may be prepared by reacting a phosphine with a halide under heating, and then hot reacting in a solvent the resulting phosphonium salt with a branched aldehyde or a ketone. These compounds have an excellent stability, a good biocompatibility and a high capacity to solubilize gases and particularly oxygen, such properties allowing their use in applications of the ophthalmological type or as an organ preservation medium.

Abstract: Stoichiometric and catalytic chemical transformations may be carried out in solution using novel fluorous multiphase systems (FMS). The term "fluorous" is defined as a carbon-fluorine bond rich organic molecule which is generated by replacing hydrogen atoms bonded to carbon atoms with fluorine. The novel complexes suitable for use as fluorous catalysts and reagents in the present invention contain sufficient number of fluorous moieties to render them preferentially soluble in the appropriate fluorous solvent without impairing the ability of the catalyst or reagent to be effective or participate in the corresponding reaction.

Abstract: A process for the preparation of compounds of the formula (1) in which R.sup.1, R.sup.2 and R.sup.3 are as defined in the specification, which includes reacting alcohols or carboxylic acids of the formula (2) in which R.sup.1, R.sup.2 and R.sup.3 are as defined in the specification, with a fluorinating agent of the formula (3) as defined in the specification.

Abstract: A method is proposed for producing 1,1,1,3,3-pentafluoropropane, in which 1,1,3,3,3-pentafluoropropene is reduced at a temperature between 40.degree. C. and 300.degree. C. by reacting it with hydrogen in a gas phase in the presence of a palladium catalyst. Further, a method is proposed for producing 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene, in which the raw material 2-chloro-1,1,3,3,3-pentafluoropropene is hydrogenated especially at a temperature between 30.degree. C. and 450.degree. C. in the presence of a catalyst composed of at least one metal selected from palladium, platinum and rhodium. Further, a method is proposed of producing 1,1,3,3,3-pentafluoropropene, in which 1,1,1,3,3-pentafluoro-2,3-dichloropropane is dechlorinated by using hydrogen in the presence of a metal oxide catalyst. Based on these production methods, 1,1,1,3,3-pentafluoropropane and/or 1,1,3,3,3-pentafluoropropene can thus be produced with high yield rates.

Abstract: An optically active compound derived from a novel trifluorolactic acid, useful as a component of a ferroelectric liquid crystal composition, and a liquid crystal composition. A compound represented by general formula (I), wherein R.sup.1 represents C.sub.1 to C.sub.18 alkyl, alkoxy, C.sub.2 to C.sub.18 alkanoyl, alkanoyloxy or alkoxycarbonyl; R.sup.2 represents optionally alkoxy-substituted alkyl (where the total number of the carbon atoms is 1 to 15); A, B and C represent each independently the group (a) or (b); v and w represent each independently --COO--, --OCO--, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 --CH.sub.2 --, --CH.dbd.CH--, --C.dbd.C-- or a single bond; and x and y together represent any of the following combinations: --COO-- and --COO--; --COO-- and --CO--; --COO-- and --CH.sub.2 O--; --COO-- and --CH.sub.2 OCO--; --COO-- and --CH.sub.2 OCOO--; --O-- and --CH.sub.2 O--; --O-- and --CH.sub.2 OCO--; and --O-- and --CH.sub.2 OCOO--.

Abstract: Monomers of the formula (I) (for example, 3,3,4,4,5,5,6,6-octafluoromethylenecyclopentane) are described, as well as copolymers prepared from them and from one or more monomers copolymerizable with them. ##STR1## wherein n=3 to 5 The compounds are suitable for the production of a multiplicity of thermoplastically processable copolymers having various sets of properties which permit applications both as compact moulded parts and as coatings.

Abstract: 2-Trifluoromethyl-4-chloro-benzalchloride and 2-methyl-3-nitro-5-chlorobenzotrifluoride, are intermediates in a process of preparing 2-methyl-3-aminobenzo-trifluoride. In this process, 2-trifluoromethyl-4-chlorobenzal-chloride is prepared by chlorinating o-trifluoromethylbenzalhalide, and 2-methyl-3-nitro-5-chlorobenzotrifluoride is prepared at first by hydrogenating the 2-trifluoro-methyl-4-chlorobenzalhalide to form a 2-methyl-5-monochlorobenzotrifluoride and then by nitrating the 2-methyl-5-monochlorobenzotrifluoride. Following this process, 2-methyl-3-aminobenzotrifluoride (MA-BTF) is prepared by hydrogenating the 2-methyl-3-nitro-5-chlorobenzotrifluoride. The thus prepared 2-methyl-3-aminobenzotrifluoride is useful as an intermediate in preparing medicines, agricultural chemicals and other chemical products.

Abstract: The invention relates to a process for the preparation of aromatic fluoro compounds of the formula IF.sub.n ArR.sup.1 R.sup.2 R.sup.3 (I)in which Ar is phenyl, naphthyl or pyridyl, R.sup.1, R.sup.2 and R.sup.3 independently of one another are hydrogen, halide, (C.sub.1 -C.sub.4)-alkyl, phenyl, NR.sub.2, OR, CN, COH or COR, where R is hydrogen or (C.sub.1 -C.sub.6)-alkyl, and n=1, 2, 3, 4 or 5,which comprises reacting aromatic fluoro compounds of the formula IIX.sub.m F.sub.n ArR.sup.1 R.sup.2 R.sup.3 (II)in which Ar, R.sup.1, R.sup.2, R.sup.3 and n have the abovementioned meaning, each X is a chlorine or bromine atom and m=1, 2, 3, 4 or 5, with hydrogen in the presence of a palladium catalyst, a water-insoluble amine which also does not form water-soluble hydrohalides, and if desired an inert solvent.

Abstract: A method for the preparation of .alpha.-substituted .omega.-dihydroperluoroalkane derivatives of the general formula H(CF.sub.2 CF.sub.2).sub.n R wherein R=H or COOH, and n=1-10 is characterized by oxidizing .alpha., .alpha., .omega.-trihydroperfluoroalcohols with an oxygen gas or an oxygen-containing gas in the presence of a homogeneous copper catalyst and an alkaline agent in an organic solvent with subsequent isolation of the desired product.

Abstract: This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fluorinated compounds with specified classes of hydrogenated aliphatic, alicyclic, aromatic reactive compounds, telechelic oligomers and block polymers wherein said stable products and polymers contain hetero atoms such as oxygen, sulfur or nitrogen and are characterized by high thermal and chemical resistance.

Abstract: Halogenated aromatics are prepared by heating halogenoformic acid esters to 80.degree. to 280.degree. C. in the presence of hydrogen fluoride or a catalytic amount of one or more Lewis acids from the group comprising aluminium halides, iron halides and antimony halides, and in the liquid phase.

Abstract: The present invention relates to a method for the production of substituted or unsubstituted chloromethyl and bromomethyl cyclopropane having a degree of purity above 85%, particularly above 90%, by reacting a hydroxymethyl cyclopropane of the formula ##STR1## where R is H, or one or two R groups are alkyl of from 1 to 10 carbon atoms or phenyl, with methane sulfonic acid chloride or methane sulfonic acid bromide in the presence of a trialkylamine and, if necessary, an organic solvent, preferably an organic solvent containing oxygen, at a temperature of from -20.degree. C. to +30.degree. C. over a period of time of from 1 to 30 hours, then heating the reaction mixture to a temperature of from 40.degree. to 80.degree. C., or to reflux temperature, without isolating the intermediate mesylate.

Abstract: This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroethylenes. 1:1 and 1:2 Adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and reduced further to dihydro- or trihydropolyfluoroalkanes, which are useful as HFC cleaning agents.

Abstract: The invention relates to a continuous process for the preparation of perfluoroalkyl iodides containing from 4 to 12 carbon atoms by thermal telomerization of tetrafluoroethylene by pentafluoroethyl iodide or heptafluoroisopropyl iodide in a tubular reactor.According to the invention, 30 to 75% of the tetrafluoroethylene is supplied at the head of the reactor; the remainder is introduced at a point in the reactor located between the 2/5 and 3/4 of the length of the tube.The proportion of undesirable heavy telomers is reduced in this way.

Abstract: This invention concerns a process for the production of polyfluoroolefins by the catalytic addition of polyfluoroallylic fluorides to fluoroethylenes. 1:1 and 1:2 Adducts such as F-pentene-2 and F-heptene-3 can be formed selectively and reduced further to dihydro- or trihydropolyfluoroalkanes, which are useful as HFC cleaning agents.

Abstract: A process for preparing tertiary perfluoroamines is provided. The process comprises electrochemically fluorinating a tertiary thioamide precursor, said thioamide precursor having at least one thioamide moiety, ##STR1## and terminal portions which can be alkyl or cycloalkyl having 1 to 12 carbon atoms, aryl having 6 to 12 carbon atoms, or combinations thereof, with the proviso that when more than one thioamide moiety is present, the thioamide moieties are bonded together by alkylene, cycloalkylene or arylene groups. Also provided are tertiary thioamides and tertiary perfluoroamines.

Abstract: The compound 1,1,2,2,3,3-hexafluorocyclopentane and mixtures thereof with alcohols, ethers, esters, ketones, nitromethane, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said compound or said mixtures. Binary mixtures of 1,1,2,2,3,3-hexafluorocyclopentane either with about 27 to 35 weight percent methanol, or with about 21 to 29 weight percent ethanol are disclosed as azeotrope or azeotrope-like compositions and are particularly suited for use where solvent recovery and reuse is practiced.

Abstract: A method is provided for forming (3-trifluoromethylphenyl)acetonitrile through the intermediate .alpha.,.alpha.,.alpha.-trifluoro-.alpha.'-chloro-m-xylene. This intermediate is formed by selective chlorination of .alpha.,.alpha.,.alpha.'-trichloro-m-xylene under conditions which maximize yield and minimize the formation of undesired, non-recyclable chlorinated by-products.

Abstract: This invention relates to a process for preparing fluorinated C.sub.4 to C.sub.6 hydrocarbons by catalytically hydrogenating, in the presence of a base, at least partially halogenated olefins. This invention also relates to certain novel cyclic fluorinated C.sub.5 and C.sub.6 hydrocarbons prepared by the process of this invention. This invention further relates to the use of fluorinated C.sub.4 to C.sub.6 hydrocarbons as propellant gas or as working fluid for heat pump systems.

Abstract: A process for converting organic hydroxyl-containing compounds to halides which comprises reacting the hydroxyl-containing compound with a phosphorushalide reagent of formula: R.sub.n PX.sub.5-n wherein n is selected from 1, 2 and 3; R is selected from the group consisting of C-6 to C-10 aryl and substituted aryl wherein the substituents are selected from the group consisting of straight and branched chain alkyl, alkoxy, and haloalkyl, halogen, sulfonate and mixtures thereof; and X is a halogen. It is preferred to carry out the reaction in the presence of an arylphosphorusoxydihalide solvent. The use of an arylphosphorustetrahalide and particularly phenylphosphorustetrachloride is preferred. The arylphoshorustetrahalide can be prepared in situ by contacting a solution of the corresponding arylphosphorusdihalide in an arylphosphorusoxydihalide solvent with a halogen. The process can further comprise the step of heating the reaction mixture. Maintaining a reaction temperature of from about 0.degree. C.

Abstract: A process for the perfluoroalkylation of aromatic derivatives. In a first stage, an aromatic derivative, sulfur dioxide and a metal selected from the group consisting of zinc, aluminum, manganese, cadmium, magnesium, tin, iron, nickel and cobalt, are brought into contact in a solvent, preferably a polar aprotic solvent. In a second stage, a perfluoroalkyl bromide or iodide is added to react with the aromatic derivative.

Abstract: A process for preparing a novel chemical compound poly-dicarbon monofluoride represented by the formula (C.sub.2 F).sub.n and having a crystalline structure of packing form featured by its layer structure stacked with an interlayer spacing of about 9.0 A. Such process consists in that a particulate carbon material having a specific crystallinity is reacted with fluorine at 300.degree. to 500.degree. C. According to the process, the desired product can be obtained in a yield as high as 100% with respect to not only the carbon material employed but also the fluorine employed.

Abstract: A novel chemical compound poly-dicarbon monofluoride represented by the formula (C.sub.2 F).sub.n and having a crystalline structure of packing form .[.featured by its layer structure as shown in FIG. 12 hereof.]. stacked with an interlayer spacing of about 9.0 A. Such new compound can be produced under relatively mild reaction conditions and obtained in a yield as large as 100% with respect to not only the carbon material employed but also the fluorine employed. The new compound is black under the formation conditions and of low crystallinity, but it can be easily converted to that of high crystallinity and white color by heat treatment in a fluorine atmosphere. The new compound has a wide variety of uses, for example, as lubricants, stain-resistant and water-repellent materials, cathode materials in high energy primary cells, etc.