Abstract: A well treatment fluid comprising a 2-oxo-aldehyde having 3 or more carbon atoms is disclosed herein. Methods to prepare and to utilize the fluid, and to inhibit biological degradation of a well treatment fluid, are also disclosed.

Abstract: A engineered composition and method of delivery of said composition providing effective therapy for the treatment of ulcerative colitis, and Crohn's disease.

Abstract: The present invention provides methylene beta-diketone monomers, methods for producing the same, and compositions and products formed therefrom. In the method for producing the methylene beta-diketones of the invention, a beta-diketone is reacted with a source of formaldehyde in a modified Knoevenagel reaction optionally in the presence of an acidic or basic catalyst, and optionally in the presence of an acidic or non-acidic solvent, to form reaction complex. The reaction complex may be an oligomeric complex. The reaction complex is subjected to further processing, which may be vaporization by contact with an energy transfer means in order to isolate the beta-diketone monomer. The present invention further compositions and products formed from methylene beta-diketone monomers of the invention, including monomer-based products (e.g., inks, adhesives, coatings, sealants or reactive molding) and polymer-based products (e.g., fibers, films, sheets, medical polymers, composite polymers and surfactants).

Abstract: The present invention discloses processes for producing ?-nitrocarbonyl and ?-dicarbonyl compounds, which can be precursors in the synthesis of pyrrole compounds. A process for producing pyrroles such as 2,5-dimethylpyrrole, and structurally similar pyrrole compounds, is also disclosed.

Abstract: Provided is an acid taste and/or acid smell-reducing agent that can effectively reduce acid taste/acid smell without adding off-taste and off-smell. The acid taste and/or acid smell-reducing agent is composed of 4,7-tridecadienal and/or 2,4,7-tridecatrienal and is added to a food or drink having acid taste and/or acid smell.

Abstract: A bacterial autoinducer, CAI-1, was purified and its structure identified. Methods for synthesis of the autoinducer and its analogues were elucidated. Methods of using the autoinducer or its analogues for treating bacterial pathogenicity and bio film formation are described. Methods for prevention and treatment of cholera are described. Synthetic (S)-3-hydroxytridecan-4-one functions as well as natural CAI-1 in repressing production of the virulence factor toxin co-regulated pilus (TCP). Strategies are described to manipulate bacterial quorum sensing in the clinical arena.

Abstract: A method for chemical modification of graphene includes dry etching graphene to provide an etched graphene; and introducing a functional group at an edge of the etched graphene. Also disclosed is graphene, including an etched edge portion, the etched portion including a functional group.

Abstract: A method for manufacturing a composition including telechelic oligomers the ends of which carry reactive functions, the method including the contacting of at least one waste material containing rubber, preferable tire waste, with a chemical degradation agent selected from cleavage agents that are specific for double bonds; and a transfer agent in the presence of a catalysts; at a temperature from 15 to 400° C., preferably from 17 to 35° C.; at ambient pressure. The composition of oligomers that can be prepared by the method is also described.

Abstract: The present invention relates to a polymer blend, comprising (a) at least one hydrophobic polymer, as component A, (b) at least one hydrophilic polymer, as component B, and (c) at least one structural unit that crosslinks component A and/or B and derives from at least one compound selected from the group consisting of aldehydes, dialdehydes, diketones, aldehyde ketones, derivatives of the abovementioned compounds, and mixtures thereof, as component C, and to processes for the production thereof and to the use thereof.

Abstract: Novel Sr and Ba complexes containing both beta-diketonates and N-methyl-pyrrolidone were synthesized and characterized. TGA experiments indicated these complexes are volatile, they can be employed as precursors for ALD strontium titanate (STO) or barium strontium titanate films (BST) films in semiconductor fabrication.

Abstract: The invention relates to novel deodorant compositions containing at least one compound of the family of acetylenic ketones and the deodorant products containing them. A particularly preferred composition according to the invention comprises at least one compound of the family of the ?-acetylenic ketones and a mixture of aldehydes chosen from two different families.

Abstract: The invention relates to polyketone compounds and the at least partially hydrogenated products thereof, the use of said polyketone compounds and/or the at least partially hydrogenated products thereof as plasticizers, processes of making polyketone compounds and the at least partially hydrogenated products thereof, compositions comprising the polyketone compounds and/or the at least partially hydrogenated products thereof, and to articles formed from products of the invention.

Abstract: This invention relates to pyrazole derivatives of formula (I) or pharmaceutically acceptable salts, solvates or derivatives thereof, and to processes for the preparation thereof, intermediates used in their preparation of, compositions containing them and the uses of such derivatives. The compounds of the present invention bind to the enzyme reverse transcriptase and are modulators, especially inhibitors thereof. As such, the compounds of the present invention are useful in the treatment of a variety of disorders including those in which the inhibition of reverse transcriptase is implicated. Disorders of interest include those caused by Human Immunodificiency Virus (HIV) and genetically related retroviruses, such as Acquired Immune Deficiency Syndrome (AIDS).

Abstract: This invention relates to biomaterials, said biomaterials for use in methods to control and/or induce bone growth. Particularly, the invention relates to macroporous calcium phosphate biomaterials pre-loaded with certain amounts of osteoclastic activity inhibitors for use in methods to control and/or induce bone growth in primates.

Abstract: Fluoroether diketones are provided that can be useful in apparatuses that includes a device and a mechanism for transferring heat. The provided fluoroether diketones are stable at temperatures above 175° C., are environmentally friendly, and are economical to produce. The provided apparatuses can be useful for vapor phase soldering of electronic devices.

Abstract: The presently disclosed subject matter demonstrates that a spin state which has zero magnetic resonance signal, but an extremely long lifetime, can be used to store magnetization, which can then be recovered into an observable transition. Coupled with hyper-polarization techniques, this permits the preparation of a wide range of contrast agent molecules for use in magnetic resonance imaging (MRI) techniques that have long effective relaxation time.

Abstract: The present invention relates to a polymer blend, comprising (a) at least one hydrophobic polymer, as component A, (b) at least one hydrophilic polymer, as component B, and (c) at least one structural unit that crosslinks component A and/or B and derives from at least one compound selected from the group consisting of aldehydes, dialdehydes, diketones, aldehyde ketones, derivatives of the above-mentioned compounds, and mixtures thereof, as component C, and to processes for the production thereof and to the use thereof.

Abstract: A bacterial autoinducer, CAI-1, was purified and its structure identified. Methods for synthesis of the autoinducer and its analogues were elucidated. Methods of using the autoinducer or its analogues for treating bacterial pathogenicity and bio film formation are described. Methods for prevention and treatment of cholera are described. Synthetic (S)-3-hydroxytridecan-4-one functions as well as natural CAI-1 in repressing production of the virulence factor toxin co-regulated pilus (TCP). Strategies are described to manipulate bacterial quorum sensing in the clinical arena.

Abstract: The disclosure provides compounds useful as insect repellents and compositions comprising such repellents. The disclosure further provides insect traps.

Abstract: The present invention relates to a new class of terpene-derived compounds having an antibiotic activity and of the formulae (I) or (II) in which A is selected from NR1, O, S, CR2R3 or R—(CH2)n—R?, wherein R and R? represent independently NH, O, S or CH2, and in which R1, R2 et R3 are substituents and n is higher than or equal to 1, in particular equal to 2. The invention relates to the compound according to both the formula (I) or the formula (II) taken individually, to mixtures of the two compounds, and to compositions, mainly therapeutic ones, comprising at least one of the compounds or said mixture. According to a particular embodiment, the compound ((I) or (II) taken individually, the mixtures of both compounds and the compositions of the invention are used in the treatment of difficult C-related digestive infections. In one particular embodiment, the compound of the formula (I) is margaucine, a compound produced by a bacterial stem.

Abstract: Use vaginal odorant compounds for controlling motile cell chemotaxis.

Abstract: The present invention provides organometallic compounds and methods of forming thin films including using the same. The organometallic compounds include a metal and a ligand linked to the metal. The ligand can be represented by the following formula (1): wherein R1 and R2 are each independently hydrogen or an alkyl group. The thin films may be applied to semiconductor structures such as a gate insulation layer of a gate structure and a dielectric layer of a capacitor.

Abstract: The present invention provides a method of remedying deterioration of an insulating film which, during the remedial treatment of an insulating film deteriorated by plasma treatment, does not leave residual remedial agent on the wiring material such as the copper wiring layer, can be conducted using a dry process, and exhibits excellent applicability to mass production. The insulating film that has been deteriorated by plasma treatment is brought into contact with a remedial agent composed of a compound with a molecular structure having at least one of a nitro group and a carbonyl group, and at least one of a hydrocarbon group and a hydrogen group.

Abstract: The disclosure relates to a material for reversibly storing and releasing hydrogen comprising graphite or a graphitic structure, for example, comprising an ordered graphite structure of carbon and nitrogen atoms wherein the interlayer and/or interstitial volume is occupied with at least one intercalated anionic species. While any suitable anionic species can be employed, examples of suitable species are at least one of: F? (fluoride), (C?C)2? (diacetylide), and (N?C?N)2?. Desirable anionic species typically have a relatively high charge to volume ratio. The disclosure also relates to a material for reversibly storing and releasing hydrogen comprising ordered graphitic structures comprising at least one member selected from the group of graphite, single walled carbon nanotubes, multiwalled carbon nanotubes, graphite nanofibers, carbon nanohorns, and boron nitride.

Abstract: The present invention discloses a method for catalytic synthesis of oxygenate from alcohol. At first, a feeding material comprising at least one alcohol is provided. Next, a copper-containing catalyst is provided and the catalyst further comprises at least one metal element selected from the group consisting of the following: zinc, magnesium, and aluminum elements. Following that, a catalytic reaction of the feeding material over the copper-containing catalyst is carried out to synthesize at least one oxygenate.

Abstract: The present invention relates to novel ketone compounds, compositions comprising ketone compounds, and methods useful for treating and preventing cardiovascular diseases, dyslipidemias, dysproteinemias, and glucose metabolism disorders comprising administering a composition comprising a ketone compound. The compounds, compositions, and methods of the invention are also useful for treating and preventing Alzheimer's Disease, Syndrome X, peroxisome proliferator activated receptor-related disorders, septicemia, thrombotic disorders, obesity, pancreatitis, hypertension, renal disease, cancer, inflammation, and impotence. In certain embodiments, the compounds, compositions, and methods of the invention are useful in combination therapy with other therapeutics, such as hypocholesterolemic and hypoglycemic agents.

Abstract: The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC compound; b) at least one organic complexing ligand which is not a cyclic polyol; and c) at least one cyclic polyol. The DMC catalysts of the present invention have increased activity compared to known catalyst.

Abstract: The present invention relates to a novel process for the preparation of 2,3-pentanedione starting with hydroxyacetone and paraldehyde.

Abstract: A process for the purification of 1,3-diketones comprising reacting a 1,3-diketone with an earth metal or alkaline earth metal complexing agent in an organic solvent, isolating, washing and decomposing the resulting complex, and isolating the purified 1,3-diketone.

Abstract: Organosilver complexes with &bgr;-diketonates and neutral coordinating ligands are useful as silver precursors in chemical vapor deposition processes. The &bgr;-diketonates include 1,1,1,5,5,5-hexafluoro-2,4-pentanedionate (hfac), acetylacetonate (acac), 2,2,6,6-tetramethyl-3,5-heptanedionate (tmhd), 1,1,1-trifluoro-2,4-pentanedionate, (tfac), 2,2,7-trimethyl-3,5-octanedionate (tmod), 1,1,1-trifluoro-5,5-dimethyl-2,4-pentanedionate (tfh) 1,1,1,2,2,3,3,7,7,8,8,9,9,9-tetradecafluoro-4,6-nonanedionate (tdf). Neutral coordinating ligands include triphenylphosphine, tributylphosphine, pyridine, tetramethylethanediamine (TMEDA) and tetramethylpropanediamine (TMPDA).

Abstract: A process of producing a strontium titanate, barium titanate or barium strontium titanate thin film by chemical vapor deposition which comprises using a titanium compound represented by formula (I): 1

Abstract: A compound useful as a cocatalyst or cocatalyst component, especially for use as an addition polymerization catalyst compound, corresponding to the formula: (A*+a)b(Z*J*j)−cd, wherein:

Abstract: The present invention relates to acetoacetic acid derivatives of the formula Ia or Ib, to processes for their preparation and to their use for the preparation of 2,15-hexadecanedione. The invention further relates to the use of the compounds of the formula Ia or Ib where R is an optionally substituted straight-chain or branched C1-C6-alkyl, C1-C6-alkoxyalkyl or phenyl radical, alkoxy groups are a combination of an alkyl group according to the above definition with an oxygen atom, e.g. methoxy, ethoxy, propoxy, butoxy or pentoxy groups, which comprises adding an acetoacetic ester of the formula II to 1,9-decadiene by a free-radical means, as intermediate for the preparation of muscone (3-methylcyclopentadecanone).

Abstract: The invention relates to a process for purifying a crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate containing an impurity. The process includes bringing the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate into contact with a poor solvent in which 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate is substantially insoluble, thereby removing the impurity from the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate. Alternatively, the process includes precipitating crystals of 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate from a solution of the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate. Thus, it is possible to produce 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate of high purity. This product makes it easy to produce 1,1,1,5,5,5-hexafluoroacetylacetone of high purity.

Abstract: An alkaline earth metal salt of &bgr;-diketo compound is produced using 1 mol of a powdery alkaline earth metal compound and 2.04 mol or more of an aliphatic &bgr;-diketo compound. The reaction may be carried out while supplying both components to a reactor continuously or intermittently, or may be carried out by adding one component to the other continuously or intermittently. The highest temperature during the reaction may be at 50° C. or higher. The reaction mixture may be aged, and then dried at a temperature of at 100 to 180° C. in an atmosphere of an inert gas. The alkaline earth metal compound may be calcium hydroxide, magnesium hydroxide, or barium hydroxide. The aliphatic &bgr;-diketo compound may be represented by the following formula, particularly an acetoacetic acid ester or acetylacetone. According to the production method as mentioned above, highly stable alkaline earth metal salts of &bgr;-diketo compounds of high quality can be produced.

Abstract: A method is provided for preparation of chlorofluoroethers ClCF2CFClOR8f and Cl2CFCFClOR8f by direct fluorination of Cl2CHCH2OR8 and Cl3CCH2OR8, respectively, wherein R8 is a C1-C20 alkyl-or acyl-containing group optionally up to 5 ether oxygen atoms and optionally substituted by functional groups and R81, is the corresponding perfluoroalkyl or perfluoracyl-containing group.

Abstract: The invention relates to a process for purifying a crude 1,1,1,5,5,5-hexafluoroacetylacetone. This process includes (a) hydrating the crude 1,1,1,5,5,5-hexafluoroacetylacetone to a 1,1,1,5,5,5-hexafluoroacetylacetone hydrate; and (b) dehydrating the 1,1,1,5,5,5-hexafluoroacetylacetone hydrate, thereby obtaining a purified 1,1,1,5,5,5-hexafluoroacetylacetone. Prior to the step (b), the 1,1,1,5,5,5-hexafluoroacetylacetone hydrate may be brought into contact with a poor solvent in which 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate is substantially insoluble. Furthermore, the step (a) may be conducted in a poor solvent in which 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate is substantially insoluble. It is possible by the process to easily obtain 1,1,1,5,5,5-hexafluoroacetylacetone with high purity.

Abstract: Novel modified and improved beta-diketones and their use in the extraction of copper from aqueous ammoniacal solutions containing copper values, resulting from commercial processes, including, but not limited to, leaching of copper containing ores, such as sulfidic ores, or concentrates resulting from flotation of such sulfidic ores. The novel diketones are those highly sterically hindered, which may be represented by the formula I or II: ##STR1## The preferred beta-diketones of Formula [II] are selected from the group consisting of neo-alkyl beta-diketones, such as, 1-phenyl-3-neoalkyl-1,3 propanedione in which the neoalkyl group is selected from neohexyl, neoheptyl, neooctyl, neononyl, or neodecyl.

Abstract: A process for recovering a 1,1,1,5,5,5-hexafluoro-2,4-pentanedione ligand from a metal-ligand complex byproduct such as Cu.sup.+2 (1,1,1,5,5,5-hexafluoro-2,4-pentanedionate.sup.-1).sub.2, comprising: providing a copper-ligand complex byproduct of Cu.sup.+2 (1,1,1,5,5,5-hexafluoro-2,4-pentanedionate.sup.-1).sub.2 in a process stream; cooling and condensing the copper-ligand complex byproduct of Cu.sup.+2 (1,1,1,5,5,5-hexafluoro-2,4-pentanedionate.sup.-1).sub.2 to separate it from the process stream; contacting the copper-ligand complex byproduct of Cu.sup.+2 (1,1,1,5,5,5-hexafluoro-2,4-pentanedionate.sup.-1).sub.2 with a protonation agent, such as: sulfuric acid, hydrochloric acid, hydroiodic acid, hydrobromic acid, trifluoroacetic acid, trifluoromethanesulfonic acid, acid ion exchange resin, hydrogen sulfide, water vapor and mixtures thereof; and recovering 1,1,1,5,5,5-hexafluoro-2,4-pentanedione.

Abstract: Novel trifluoromethylated intermediates are provided which are useful in synthesizing trifluoromethylated organic compounds. Specifically, compounds of the formula CF.sub.3 CR are provided, wherein R is (Cl).dbd.CHCH.sub.2 SO.sub.2 Ph, (Cl).dbd.CHCH.sub.2 CH.sub.2 C(.dbd.O)CH.sub.3, (Cl).dbd.CHCH.sub.2 CH(COCH.sub.3).sub.2, (Cl).dbd.CHCH.sub.2 NR'R" or H.dbd.CHCH.dbd.NR'; R' and R" are the same or different and are selected from the group consisting of hydrogen, unsubstituted or substituted C.sub.1 to C.sub.6 straight chain or branched alkyl, unsubstituted or substituted C.sub.3 to C.sub.7 cycloalkyl, unsubstituted or substituted C.sub.2 to C.sub.12 alkenyl, a benzyl group unsubstituted or substituted with R'", or a phenyl group unsubstituted or substituted with R'"; or R' and R" taken together form a five- or six-membered ring; and R'" is an unsubstituted or substituted C.sub.1 to C.sub.6 straight chain or branched alkyl, an unsubstituted or substituted C.sub.1 to C.sub.

Abstract: A alternating aliphatic polyketone polymer is surface derivatized to alter the surface properties of an article without affecting the bulk properties of the polymer it is made from. Derivitization may be done with reducing agents and/or silylating agents. Articles so produced display a range of improved properties including reduced wettability and improved tribological properties such as lubricity and wear resistance.

Abstract: Inhibitors of oleamide hydrolase, responsible for the hydrolysis of an endogenous sleep-inducing lipid (1, cis-9-octadecenamide) were designed and synthesized. The most potent inhibitors possess an electrophilic carbonyl group capable of reversibly forming a (thio) hemiacetal or (thio) hemiketal to mimic the transition state of a serine or cysteine protease catalyzed reaction. In particular, the tight binding .alpha.-keto ethyl ester 8 (1.4 nM) and the trifluoromethyl ketone inhibitor 12 (1.2 nM) were found to have exceptional inhibitory activity. In addition to the inhibitory activity, some of the inhibitors displayed agonist activity which resulted in the induction of sleep in laboratory animals.

Abstract: Cross-coupling or addition reactions of organic compounds, including acid halides, allylic halides, and .alpha.,.beta.-unsaturated carbonyl containing compounds, with organozinc compounds may be readily and safely carried out in the presence of cuprous iodide. The use of this catalyst in the coupling reaction provides for the preparation of commercially useful products in the pharmaceutical, agrochemical and other industries.

Abstract: Catalyst compositions for preparing polyketones comprising (a) a Group VIII metal compound, containing at least one ligand capable of coordinating to the Group VIII metal, and (b) a boron hydrocarbyl compound are disclosed, in particular catalyst compositions wherein the boron hydrocarbyl compound is a Lewis acid of the formula BXYZ where at least one of X, Y and Z is a monovalent hydrocarbyl group. A preferred catalyst composition comprises a palladium complex and B(C.sub.6 F.sub.5).sub.3.

Abstract: A hydroxy-terminated linear carbonate is produced by reacting a cyclic alkylene carbonate such as neopentyl glycol carbonate with a substance having at least one alcoholic hydroxyl group in the presence of a catalyst. Mono- or polyhydric alphatic alcohols, polycaprolactone polyols, hydroxyl group-containing acrylic monomers and polymers, and polyester polyols are modified by the reaction with the cyclic alkylene carbonate to have an enhanced reactivity and resistance to hydrolysis.

Abstract: Alkaline earth metal heptane dionates which have uniform evaporation properties in a vacuum and are therefore highly suitable for use in CVD synthesis for depositing layers containing alkaline earth metal useful in fields such as the production of high temperature superconductors.

Abstract: The present invention is directed to compositions containing novel beta-diketones of formula (I) and formula (II),R.sub.1 COCH.sub.2 COR.sub.2 (I)R.sub.2 COCH.sub.2 COR.sub.2 (II)which may be used to stabilize various polymers, such as polyvinyl chlorides (PVCs). The present invention is also directed to a method for preparing .beta.-diketones by a Claisen condensation reaction, which is represented as follows:R.sub.4 COCHR.sub.5 H+R.sub.6 C(O)OR.sub.7 +RO.sup.- .fwdarw.[R.sub.4 COCR.sub.5 COR.sub.6 ]--+R.sub.7 OH+ROH.

Abstract: Novel pharmaceutically useful compounds which lower blood cholesterol levels and are beta-ketoamides, oximes, amines, and hydroxyl derivatives thereof.

Abstract: An alkaline earth metal chelate complex of 2,2,6,6-tetramethylheptanedione of the formula (I)M.sup.2+ (C.sub.11 H.sub.19 O.sub.2).sup.-.sub.2.L.sub.k (I)is described, in which M is calcium, strontium or barium, L is a ligand and k is a number from 1 to 3, the complex being free of water of hydration and the ligand L being an aliphatic ether having at least two oxygen atoms in the molecule. A process for the preparation of the chelate complex and its use for the production of coated substrates are also described.

Abstract: A method for forming a layer of a Group II or III fluoride on a semiconductor substrate (e.g. as epitaxial insulating layer) comprising vaporising a precursor (I), where M is Be, Ca, Sr, Ba or lanthanide, b and d are 0 or 1. A, B, C and D are independently (IIA) or (IIB), X being O, S, NR, PR where R is H, alkyl, perfluoroalkyl; Y is perfluoroalkyl, fluoroalkenyl, fluoroalkylamine or fluoroalkenylamine; Z is H, F, alkyl, perfluoroalkyl or perfluoroalkenyl; and then decomposing the precursor vapor to form M fluoride. A preferred precursor for CaF.sub.2 is a calcium 1,1,1,5,5,5-hexafluor-2,4-pentanedione complex where b and d are 0.