Abstract: In a method for obtaining an alkali metal perfluoroalkanesulfinate by reacting a perfluoroalkanesulfonyl halide with a sulfur-containing reducing agent in the presence of water, a reaction liquid containing the alkali metal sulfinate obtained after the reaction is concentrated till a specific concentration, thereby inorganic salts, which are impurities in the solution, are precipitated and removed, and a filtrate after removing the inorganic salts is subjected to an operation such as concentration and drying, thereby obtaining the target alkali metal perfluorosulfinate with a high purity and a good operability. Furthermore, an organic solvent for extraction becomes unnecessary. Therefore, it is possible to greatly reduce wastes.

Abstract: A radiation-sensitive composition includes a compound represented by a formula (1), and a polymer having a structural unit that includes an acid-labile group. In the formula (1), R1 represents a group having a polar group; n is an integer of 1 to 4, wherein, in a case where R1 is present in a plurality of number, the plurality of R1s are identical or different, and optionally at least two R1s taken together represent a cyclic structure; A represents an alicyclic hydrocarbon group having a valency of (n+1); and M+ represents a monovalent onium cation.

Abstract: Cell culture media comprising antioxidants are provided herein as are methods of using the media for cell culturing and polypeptide production from cells. Compositions comprising polypeptides, such as therapeutic polypeptides, produced by the methods herein are also provided.

Abstract: Described herein are allyl ether-terminated fluoroalkylsulfinic acids and salts thereof and methods of making.

Abstract: The present invention relates to a method for preparing a highly pure trifluoromethanesulphinic acid. The method of the invention for preparing a highly pure trifluoromethanesulphinic acid, starting from an aqueous mixture comprising a trifluoromethanesulphinic acid salt, a trifluoroacetic acid salt and saline impurities resulting from the method for preparing same, is characterized in that said mixture is subjected to the following operations: —acidification such that the trifluoroacetic acid salt and the triflinic acid salt are released in an acid form, —separation of the trifluoroacetic acid and trifluoromethanesulphinic acid by distillation enabling the trifluoroacetic acid to be recovered at the top of the distillation and the trifluoromethanesulphinic acid to be recovered at the bottom of the distillation, —separation by distillation of the trifluoromethanesulphinic acid present in the distillation residue previously obtained.

Abstract: There is provided a process for preparing a perfluorovinyl ether sulfinate, comprising: a) providing a perfluorovinyl ether sulfonyl halide; and (b) reducing the perfluorovinyl ether sulfonyl halide with a reducing agent in an organic protic solvent.

Abstract: Described herein is a composition according to formula I or its precursor, formula II: CX1X3?CX2—(R1)p—CZ1Z2-SO2M (I) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, and wherein at least one of X1, X2, or X3 is a H; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group; p is 0 or 1; and M is a cation; and CX4X1X3—CX5X2—(R1)p—CZ1Z2-SO2M (II) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, wherein at least one of X1, X2, or X3 is a H, and X4 and X5 are independently selected from H, F, Cl, Br and I; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group, p is 0 or 1; and M is selected from F, and a cation.

Abstract: Described herein is an oligomer having a pendant bromine-containing moiety according to formula II and/or formula III; and combinations thereof; wherein X1, X2, and X3 are each independently selected from F, Cl, H, and CF3; R is a linear or branched linking group, which may be saturated or unsaturated, substituted or unsubstituted, and may comprise a heteroatom; each Z1 and Z2 is independently selected from F and CF3; n is 0 or 1; q is 0 or 1; and m is at least 2.

Abstract: A method of inhibiting enzymatic browning in food involves the contacting of a compound comprising a sulfinic acid with the food. The sulfinic acid comprising compound can be provided from solution, an extract, or in solid form to a food that can lose its appeal to a consumer due to browning, such as cut fruits and vegetables, seafood, or a beverage. The antibrowning agent can be applied to the food by spraying, dusting, dipping, or dissolving, depending upon the form of the food to which the agent is added. The compound comprising a sulfinic acid can comprise an alkysulfinic acid, an arylsulfinic acid, an alkylarylsulfinic acid, or an arylalkylsulfinic acid.

Abstract: The present invention relates to a method for preparing a salt of trifluoromethanesulphinic acid termed “triflinic acid”. More specifically, the invention relates to a method for preparing a highly pure triflinic acid salt.

Abstract: The invention generally encompasses phosphonium ionic liquids, salts, compositions and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as electrolytes in energy storage devices such as batteries, electrochemical double layer capacitors (EDLCs) or supercapacitors or ultracapacitors, electrolytic capacitors, as electrolytes in dye-sensitized solar cells (DSSCs), as electrolytes in fuel cells, as a heat transfer medium, among other applications. In particular, the invention generally relates to phosphonium ionic liquids, salts, compositions, wherein the compositions exhibit superior combination of thermodynamic stability, low volatility, wide liquidus range, ionic conductivity, and electrochemical stability. The invention further encompasses methods of making such phosphonium ionic liquids, salts, compositions, operational devices and systems comprising the same.

Abstract: In a method for obtaining an alkali metal perfluoroalkanesulfinate by reacting a perfluoroalkanesulfonyl halide with a sulfur-containing reducing agent in the presence of water, a reaction liquid containing the alkali metal sulfinate obtained after the reaction is concentrated till a specific concentration, thereby inorganic salts, which are impurities in the solution, are precipitated and removed, and a filtrate after removing the inorganic salts is subjected to an operation such as concentration and drying, thereby obtaining the target alkali metal perfluorosulfinate with a high purity and a good operability. Furthermore, an organic solvent for extraction becomes unnecessary. Therefore, it is possible to greatly reduce wastes.

Abstract: The invention relates to a process for purifying trifluoromethanesulfinic acid by azeotropic distillation with an aromatic solvent, to processes for preparing purified trifluoromethanesulfinic acid and to the use of the purified trifluoronnethanesulfinic acid for preparing trifluoromethylsulfinylated pyrazole derivatives, especially fipronil.

Abstract: The present invention relates to a method for preparing a highly pure trifluoromethanesulphinic acid. The method of the invention for preparing a highly pure trifluoromethanesulphinic acid, starting from an aqueous mixture comprising a trifluoromethanesulphinic acid salt, a trifluoroacetic acid salt and saline impurities resulting from the method for preparing same, is characterized in that said mixture is subjected to the following operations:- acidification such that the trifluoroacetic acid salt and the triflinic acid salt are released in an acid form,- separation of the trifluoroacetic acid and trifluoromethanesulphinic acid by distillation enabling the trifluoroacetic acid to be recovered at the top of the distillation and the trifluoromethanesulphinic acid to be recovered at the bottom of the distillation,- separation by distillation of the trifluoromethanesulphinic acid present in the distillation residue previously obtained.

Abstract: 2-(3-Alkylthiobenzoyl)cyclohexanediones of the formula (I) are described as herbicides. In this formula (I), X, Y, R1 to R8 represent radicals such as hydrogen, organic radicals such as alkyl and alkoxy.

Abstract: Disclosed herein are an ion-dissociative functional compound, a method for production thereof, an ionic conductor, and an electrochemical device, the ion-dissociative functional compound being thermally and chemically stable under the condition required of fuel cells and being suitable for use as a material such as protonic conductor in fuel cells. The proton-dissociative functional compound shown in FIG. 1A is composed of a fullerene C60 molecule and about 10 sulfonic acid groups —SO3H as proton-dissociative groups each attached to the fullerene through a difluoromethane group —CF2—. The proton-dissociative functional compound shown in FIG. 1B is composed of fullerene molecules three-dimensionally connected to each other through a linking group —CF2SO2NHSO2CF2—. It contains, as the proton-dissociative group, sulfoneimide groups —SO2NHSO2— and sulfoneamide groups —SO2H2 in addition to sulfonic acid groups.

Abstract: The invention relates to a process for purifying trifluoromethanesulfinic acid by azeotropic distillation with an aromatic solvent, to processes for preparing purified trifluoromethanesulfinic acid and to the use of the purified trifluoronnethanesulfinic acid for preparing trifluoromethylsulfinylated pyrazole derivatives, especially fipronil.

Abstract: Superabsorbents comprising a compound of the formula (I) in which M is a hydrogen atom, an ammonium ion, a monovalent metal ion or one equivalent of a divalent metal ion of groups 1, 2, 8, 9, 10, 12 or 14 of the periodic table of the elements; R1 is OH or NR4R5 where R4 and R5 are each independently H or C1-C6-alkyl; R2 is H or an alkyl, alkenyl, cycloalkyl or aryl group, where this group optionally has 1, 2 or 3 substituents which are each independently selected from C1-C6-alkyl, OH, O—C1-C6-alkyl, halogen and CF3; and R3 is COOM, SO3M, COR4, CONR4R5 or COOR4, where M, R4 and R5 are each as defined above or, when R2 is aryl which is optionally substituted as specified above, are also H, salts thereof or mixtures of such compounds and/or salts thereof, exhibit improved stability to discoloration in the course of storage under elevated temperatures and/or elevated air humidity.

Abstract: A target substance detection element that can effectively prevent the nonspecific adsorption of a target substance or impurities and detects the target substance with high sensitivity, a target substance detection kit, and a structure constituting the target substance detection element. The structure has a substrate, polymers present on the substrate surface, and first target substance capturing molecules bonded to the polymers. The polymer is composed of a polymer of a carboxybetaine monomer represented by General Formula (1) below. The first target substance capturing molecules are bonded to some of the carboxyl groups of the polymers. A compound represented by General Formula (2) is bonded to at least some of the carboxyl groups, from among the carboxyl groups of the polymers, that are not bonded to the first target substance capturing molecules.

Abstract: 2-(3-Alkylthiobenzoyl)cyclohexanediones of the formula (I) are described as herbicides. In this formula (I), X, Y, R1 to R8 represent radicals such as hydrogen, organic radicals such as alkyl and alkoxy.

Abstract: Compositions are provided that include an electron donor and a sensitizing compound. More specifically, the electron donor is an arylsulfinate salt. Methods of polymerization are also provided that can be used to prepare polymeric material from a photopolymerizable composition that includes ethylenically unsaturated monomers and a photoinitiator system. The photoinitiator system includes an electron donor and a sensitizing compound.

Abstract: A resist composition including a base component (A) which exhibits changed solubility in an alkali developing solution under action of acid and an acid-generator component (B) including a compound represented by (b1-1), a compound represented by (b1-1?) and/or a compound represented by (b1-1?) (R1?-R3? represents an aryl group or an alkyl group, provided that at least one of R1?-R3? represents a substituted aryl group being substituted with a group represented by (b1-1-0), and two of R1?-R3? may be mutually bonded to form a ring with the sulfur atom; X represents a C3-C30 hydrocarbon group; Q1 represents a carbonyl group-containing divalent linking group; X10 represents a C1-C30 hydrocarbon group; Q3 represents a single bond or a divalent linking group; Y10 represents —C(?O)— or —SO2—; represents a C1-C10 alkyl group or a fluorinated alkyl group: Q2 represents a single bond or an alkylene group; and W represents a C2-C10 alkylene group).

Abstract: One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition-metal-catalyzed reactions, including the range of suitable substrates, number of catalyst turnovers, reaction conditions, and efficiency. For example, improvements have been realized in transition metal-catalyzed: aryl amination reactions; aryl amidation reactions; Suzuki couplings; and Sonogashira couplings. In certain embodiments, the invention relates to catalysts and methods of using them that operate in aqueous solvent systems.

Abstract: The present invention is concerned with novel polar solvents and novel electrolytic compositions comprising such solvents, and having a high range of stability, as required for applications in the field of electrochemistry. The present solvents have a highly polar amide function, and preferably combine with a salt soluble in the solvent and having an anion with a delocalized charge, and at least one polymer, to form an electrolytic composition.

Abstract: One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition-metal-catalyzed reactions, including the range of suitable substrates, number of catalyst turnovers, reaction conditions, and efficiency. For example, improvements have been realized in transition metal-catalyzed: aryl amination reactions; aryl amidation reactions; Suzuki couplings; and Sonogashira couplings. In certain embodiments, the invention relates to catalysts and methods of using them that operate in aqueous solvent systems.

Abstract: The present invention discloses novel sulfenate derivatives and their bioconjugates for phototherapy of tumors and other lesions. The sulfenates of the present invention are designed to absorb low-energy ultraviolet, visible, or near-infrared (NIR) region of the electromagnetic spectrum. The phototherapeutic effect is caused by direct interaction of free radicals, the reactive intermediate produced upon photofragmentation of the sulfenate moiety, with the tissue of interest.

Abstract: This invention relates to new cyclodextrin derivatives, processes for producing these cyclodextrin derivatives, and inclusion complexes comprised of the new cyclodextrin derivatives and guest molecules, as well as methods of making such materials and related materials and methods of using the same.

Abstract: This invention is directed to the use of crystallization acids, such as acetic, lactic and propionic acids, to obtain high purity polyhydroxyl cyclic carboxylic acids (PCCA) from low purity aqueous solutions. The preferred PCCA is shikimic acid and the preferred crystallization acid is acetic acid. The method according to the invention is particularly applicable to the isolation of shikimic acid from a fermentation broth.

Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.

Abstract: The production of foam which occurs in many chemical and physical materials conversion processes can be avoided by performing the materials conversion process in an ascending jet reactor, including a baffle-free container with a tapering lower section, preferably a conical lower section, and a device for gas injection, and the contents of the reactor are thoroughly mixed by means of ascending jet circulation caused by gas injection.

Abstract: The present invention relates to sulfinic acid compounds of the formula (I) where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.

Abstract: The invention concerns a selective hydrodehalogenation method characterised in that it comprises a step which consists in contacting a substrate including a sp 3 hybridisation carbon atom bearing an electro-attracting group and at least a fluorine atom, and a halogen atom heavier than fluorine, with a reagent comprising: an aqueous phase, a base, a group VIII metal as hydrogenation catalyst, and hydrogen dissolved in the aqueous phase, at a concentration in equilibrium with a gas phase whereof the partial pressure in hydrogen is not less than 50 kPa, advantageously ranging between 50 kPa and 2.10 7 Pa. The invention is applicable to organic synthesis.

Abstract: A process for preparation of a fluorinated sulfinate product by reacting a mixture comprising: (1) water; (2) dehalogenating and sulfinating reagent: and (3) fluoroaliphatic sulfonyl fluoride represented by the formula: Rf—[SO2F]n; and (4) at least one of the material selected from the group consisting of: (i) fluorinated surfactant, or (ii) organic cosolvent comprising, as the major component by weight of the organic solvent, alcohol having a boiling point of less than 110° C. at 760 torr; by heating the reaction mixture to a temperature between about 50° C. and 100° C. until the desired product yield is achieved. Also provided is a process of using the fluorinated sulfinate product as an initiation system for a free radical polymerization process, such as that used to prepare fluoropolymers.

Abstract: Disclosed is a process to prepare a sulfinate, which is useful for preparing a synthetic intermediate of an organic compound, especially for a color coupler, characterized by reducing a sulfonyl chloride with a sulfite or a hydrogensulfite in the presence of a hydrogenphosphate.

Abstract: Sulfinic derivatives such as zinc dithionite, sodium dithionite, zinc or sodium hydroxymethyl sulfinate or zinc or sodium hydroxy-ethyl sulfinate, their condensation products with ammonia, and aminoiminomethanesulfinic acid are stabilized to degradation by admixture of potassium carbonate.

Abstract: The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with connective tissue destruction in a subject by detecting and quantifying a particular protease in a biological sample. Further provided by the present invention is a method of detecting inhibitors of the activity of a protease by detecting primary amines that are exposed by the enzymatic degradation of a protease substrate.

Abstract: Disclosed is a process to prepare a sulfinate, which is useful for preparing a synthetic intermediate of an organic compound, especially for a color coupler, characterized by reducing a sulfonyl chloride with a sulfite or a hydrogensulfite in the presence of a hydrogenphosphate.

Abstract: The invention concerns ionic compounds in which the anionic load has been delocalized. A compound disclosed by the invention is comprised of an amide or one of its salts, including an anionic portion combined with at least one cationic portion M+m in sufficient numbers to ensure overall electronic neutrality; the compound is further comprised of M as a hydroxonium, a nitrosonium NO+, an ammonium —NH4+, a metallic cation with the valence m, an organic cation with the valence m, or an organometallic cation with the valence m. The anionic portion matches the formula RF—SOx—N−Z, wherein RF is a perfluorinated group, x is 1 or 2, and Z is an electroattractive substituent. The compounds can be used notably for ionic conducting materials, electronic conducting materials, colorants, and the catalysis of various chemical reactions.

Abstract: Fluorocarbon compounds are synthesized by reacting a substrate hydrocarbyl compound containing at least one sp3-hybridized halophoric carbon atom bearing at least two halogen atom substituents, at least one of which is a halogen atom having an atomic number greater than that of fluorine and the at least one halophoric carbon atom being bonded to at least one chalcogen, with at least one reactant which comprises a complex of a Bronstedt base with a defined amount n of hydrofluoric acid, n being at least 3 and not greater than 20.

Abstract: The invention relates to compounds of the formula (I): CF2═CX—CH2—CH2—S(O)—R wherein X represents hydrogen, halogen or lower alkyl, and R represents a group OR1 or NR2R3 wherein R1, R2 and R3 are as defined in the description. The compounds are useful for controlling insect and like pests of agriculture.

Abstract: Process for the preparation of 4-alkylsulfonyl-1-alkyl-2-chlorobenzenes and like compounds. A process for the preparation of 4-alkyl(C1-C4)-sulfonyl-1-alkyl-2-chlorobenzenes, in very good yields and with high selectivity by selectively chlorinating a p-alkyl-benzenesulfonyl chloride with gaseous chlorine in the presence of a chlorine carrier at 50° C. to 100° C. to give a compound of the formula in which R1 is an alkyl (C1-C4) group, subsequently reducing the latter in an aqueous medium at a pH of 8 to 10 with sodium hydrogen sulfite or sodium sulfite at 40 to 90° C. to give a compound of the formula and reacting the latter with alkyl(C1-C4) chloride in the presence of an acid binder at 80 to 150° C., and also compounds of the last mentioned formula which, instead of the —SO2Na group contain the —SO2X group (X=hydrogen atom or alkali metal atom).

Abstract: A process for the preparation of halide compounds, preferably aryl halides, by contacting a gaseous mixture of hydrohalic acid and a compound selected from an aryl halogen formate, an aryl carbonate and equivalents thereof with a Lewis acid catalyst.

Abstract: The present invention relates to sulfinic acid compounds of the formula (I) where the substituents are as defined in the description. The novel sulfinic acid compounds can be used as reducing agents which do not eliminate formaldehyde.

Abstract: The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with connective tissue destruction in a subject by detecting and quantifying a particular protease in a biological sample. Further provided by the present invention is a method of detecting inhibitors of the activity of a protease by detecting primary amines that are exposed by the enzymatic degradation of a protease substrate.

Abstract: para-Aminomethylaryl carboxamides of Formula I are antagonists of VLA-4 and/or &agr;4&bgr;7, and as such are useful in the inhibition or prevention of cell adhesion and cell-adhesion mediated pathologies. These compounds may be formulated into pharmaceutical compositions and are suitable for use in the treatment of asthma, allergies, inflammation, multiple sclerosis, and other inflammatory and autoimmune disorders.

Abstract: The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable chemical group.

Abstract: The present invention provides an assay for detecting and quantifying protease that is sensitive, rapid, and capable of screening numerous samples of small volume. Also provided by the present invention is a method for diagnosing disorders associated with connective tissue destruction in a subject by detecting and quantifying a particular protease in a biological sample. Further provided by the present invention is a method of detecting inhibitors of the activity of a protease by detecting primary amines that are exposed by the enzymatic degradation of a protease substrate.

Abstract: According to the present invention there is provided a process for the selective introduction of one or more fluorine atoms into a disubstituted aromatic compound in an acid medium with fluorine gas characterized in that the acid medium has a dielectric constant of at least 20 and a pH of less than 3. The present process provides a cost effective means of selectively introducing one or more fluorine atoms into an aromatic compound in good overall yield.

Abstract: Process for the preparation of olefins by using a palladium catalyst at a temperature above the ceiling temperature of the SO.sub.2 /olefin copolymer system, for the synthesis of sulfinic and sulfonic acid derivatives.

Abstract: A method of producing perfluorocarbon halides in a one-pot reaction is described. The method employs a perfluorocarbon acid, a first halogenating agent and a second halogen which drives the reaction forward. Novel perfluorocarbon halides and a direct method for producing perfluorocarbon hypohalites also are described.