Abstract: The present invention relates to a catalysed process of production of hydrogen from silylated derivatives as hydrogen carrier compounds. The present invention also relates to a new catalyst used in the catalysed process of production of hydrogen from silylated derivatives as hydrogen carrier compounds.

Abstract: Provided are compositions and methods for modulating quorum sensing in microbes. The compounds are AI-2 analogs and as such have structures similar to 4,5-dihydroxy-2,3-pentanedione that can act as agonists/antagonists of quorum sensing. The compounds are useful for modulating quorum sensing in bacteria and can be used in methods for prophylaxis or therapy of bacterial infections and for reduction of biofilms.

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 disclosed a preparation method of parylene AF4, which provides a reactant and a reducing agent with the use of catalyst or exposure to UV light with photo-initiator, to shorten the reaction time as a result of minimized the byproduct(s) formation, and obtain high purity (>99.0%) of parylene AF4 product under high concentrated reaction mixture.

Abstract: The present invention disclosed a preparation method of parylene AF4, which provides a reactant and a reducing agent with the use of catalyst or exposure to UV light with photo-initiator, to shorten the reaction time as a result of minimized the byproduct(s) formation, and obtain high purity (>99.0%) of parylene AF4 product under high concentrated reaction mixture.

Abstract: A description is given of (4-haloalkyl-3-thiobenzoyl)cyclohexanediones of the formula (I) and of their use as herbicides. In this formula (I), X, Y, R1, R2, R3, and R4 are radicals such as hydrogen and organic radicals such as alkyl. A and Z are oxygen or alkylene.

Abstract: A formulation comprising an ophthalmically effective amount of one or more quinones of Formula I. Use of a formulation comprising one or more quinones of Formula I for the prevention, reduction, amelioration or treatment of ophthalmic disorders that are associated with a neurodegenerative or trauma disorder is also discussed. A method of treating or controlling the ocular symptoms associated with neurodegenerative diseases or trauma with a formulation comprising one or more quinones of Formula I is also discussed. A method of treating or controlling the ocular symptoms associated with mitochondrial myopathies with a formulation comprising one or more quinones of Formula I is also discussed.

Abstract: Provided are compositions and methods for modulating quorum sensing in microbes. The compounds are AI-2 analogs and as such have structures similar to 4,5-dihydroxy-2,3-pentanedione that can act as agonists/antagonists of quorum sensing. The compounds are useful for modulating quorum sensing in bacteria and can be used in methods for prophylaxis or therapy of bacterial infections and for reduction of biofilms.

Abstract: The present invention relates to a method for preparing a tricyclic derivative, and more particulary, to a method for preparing a tricyclic derivative inetermediate with high yield and purity, the method including: introducing a hydroxy group by esterifying and substituting 2-fluoroisophthalic acid compound; introducing a piperidyl group; introducing a hydroxy group through reduction reaction; and then hydrolyzing the resultant compound, and to a method for preparing the tricyclic derivative using said intermediate. According to the method of the present invention, it is possible to provide a tricyclic derivative and an intermediate thereof with high productivity and economic feasibility as well as high purity and yield, by purifying a compound using re-crystallization unlike typical methods of using column chromatography.

Abstract: The present invention provides new tyrphostin derivatives acting as substrate competitive protein tyrosine kinase (PTK) inhibitors and receptor tyrosine kinase (RTK) inhibitors, methods of their preparation, pharmaceutical compositions including such compounds, and methods of using these compounds and compositions, especially as chemotherapeutic agents for preventions and treatments of PTK and RTK related disorders such as metabolic, fibrotic, and cell proliferative disorders, in particular psoriasis and cancer.

Abstract: The present invention relates to novel arylphenyl-substituted cyclic ketoenols of the formula (I) in which X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio, Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl, Z represents hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano, CKE represents one of the groups in which A, B, D, G and Q1 to Q6 are each as defined in the description, to a plurality of processes for their preparation and to their use as pesticides and herbicides.

Abstract: Photolabile fragrance storage substances capable of photo-induced release of odorant aldehydes and odorant ketones are described in addition to a process for long-lasting fragrancing of surfaces and a process for producing said fragrance storage substances.

Abstract: The present invention relates to a process for the preparation of compounds containing CF3O groups using compounds containing at least one group Y, in which Y=—Hal, —OSO2(CF2)zF, —OSO2CzH2z+1 (z=1-10), —OSO2F, —OSO2Cl, —OC(O)CF3— or —OSO2Ar, to a process for the preparation of compounds containing CF3O groups using KOCF3 and/or RbOCF3, and to novel compounds containing CF3O groups, and to the use thereof.

Abstract: Methods of treating or suppressing mitochondrial diseases, such as Friedreich's ataxia (FRDA), Leber's Hereditary Optic Neuropathy (LHON), mitochondrial myopathy, encephalopathy, lactacidosis, stroke (MELAS), Kearns-Sayre Syndrome (KSS), are disclosed, as well as compounds useful in the methods of the invention, such as 2-(3-hydroxy-3-methyl-butyl)-6-(het)aryl-p-quinone or as 2-(3-hydroxy-3-methylbutyl)-3-(het)aryl-p-quinone derivatives. Energy biomarkers useful in assessing the metabolic state of a subject and the efficacy of treatment are also disclosed. Methods of modulating, normalizing, or enhancing energy biomarkers, as well as compounds useful for such methods, are also disclosed.

Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odor.

Abstract: The invention relates to novel photoinitiators of formula (I) wherein A is —O—, —CH2?, CH(CH3)— or —C(CH3)2?, and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group —C(CH3)2?. The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Compositions comprising (A) an ethylenically unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.

Abstract: The present invention relates to pharmaceutical compositions, formulations and medicaments comprising a bupropion salt, in particular, modified-release tablets comprising an effective amount of bupropion hydrobromide, and the use of the bupropion salt to prepare a medicament to treat a condition.

Abstract: The present invention pertains to certain ketones and reduced ketones and derivatives thereof which, inter alia, inhibit osteoclast survival, formation, and/or activity; and/or inhibit bone resorption, and more particularly to compounds of the formulae and pharmaceutically acceptable salts, amides, esters, and ethers thereof, wherein: Ar1, Ralk, —ORO, and -Q are as defined herein: The present invention also pertains to pharmaceutical compositions comprising such compounds. The compounds inhibit osteoclast survival, formation, and/or activity, and inhibit conditions mediated by osteoclasts and/or characterised by bone resorption, and are useful in the treatment of bone disorders such as osteoporosis, rheumatoid arthritis, cancer associated bone disease, Paget's disease, aseptic loosening of prosthetic implants, and the like; and/or in the treatment of conditions associated with inflammation or activation of the immune system.

Abstract: The invention provides para substituted dialkylphenol derivatives of propofol. The invention further provides pharmaceutical compositions comprising such analogs, methods for preparing such analogs, and methods of using such analogs to induce general anesthesia, sedation, and/or hypnotic or sleep effects in a patient.

Abstract: The present invention relates to pharmaceutical compositions, formulations and medicaments comprising a bupropion salt, in particular, modified-release tablets comprising an effective amount of bupropion hydrobromide, and the use of the bupropion salt to prepare a medicament to treat a condition.

Abstract: The present invention relates to a computer-assisted method of a designing of a tubulin inhibitor comprising: a) determining an interaction between a tubulin protein and a chemical known to bind the tubulin protein by evaluating a binding of the tubulin protein to the chemical known to bind the tubulin protein; b) based on the interaction, designing a candidate tubulin inhibitor; c) determining an interaction between the tubulin protein and the candidate tubulin inhibitor by evaluating a binding of the tubulin protein to the candidate tubulin inhibitor; and d) concluding that the candidate tubulin inhibitor inhibits the tubulin protein wherein the conclusion is based on the interaction of step c). The invention also provides compositions and methods of treatment of diseases with the candidate tubulin inhibitors.

Abstract: The Invention relates to novel ketones of formulae (I) and (II) wherein R1, R2, R3 and R4 are, for example, C1-C8alkyl, R5 is, for example, hydrogen, A is CI, Br, -0-R7, —NR8R9 or —S—R16, A? is —O—, —NH— or —NR8—, X and Y are each independently of the other —O—R10 or —N(R11)(R12), n is an integer from 1 to 10, R6 is, for example, an n-valent radical of linear or branched C2-C20alkyl the carbon chain of which may be interrupted by cyclohexanediyl, phenylene, —CH(OH)—, —C(C2H5)(CH2—CH2—OH)—, —C(CH3)(CH2—CH2—OH)—, —C(CH2—CH2—OH)2—, —N(CH3)—, —N(C2H5)—, —N(CH2—CH2—OH)—, —CO—O—, —O—CO—, —P(CH2—CH2—OH)—, —P(O)(CH2—CH2—OH)—, -0-P(O—CH2—CH2—OH)—O—, -0-P(O)(0-CH2—CH2—OH)—O—, —O-cyclohexanediyl-C(CH3)2-Cyclohexanediyl-O—, —O-phenylene-C(CH3)2-phenylene-O—, —O-phenylene-CH2-phenylene-O—, —Si(CH3)2—, -0-Si(CH3)2—O—, —O—Si(CH3)(0-CH3)—O—, —Si(CH3)(R17)—O—Si(CH3)(R18)—, 5-(2-hydroxyethyl)-[1,3,5]triazinane-2,4,6-trione-1,3-diyl and/or by from one to nine oxygen atoms.

Abstract: This invention provides: a compound represented by formula (I): R—Y—(—X-Phe-COCH2COCnF2n+1)m ??(I) wherein R denotes hydrogen, alkyl, phenyl, or a group capable of binding to a protein, peptide, amino acid, nucleic acid, or nucleotide; Y denotes CH2, a carbocyclic ring, or a heterocyclic ring; X denotes O, S, NH, CH2, OCH2, CONH, or NHCO; Phe denotes phenylene; n is an integer between 1 and 5; and m is 1, 2, or 3. This inventions also provides a luminous complex of such compound and a rare earth ion, a labeling reagent comprising such compound or luminous complex, and a process for labeling a protein, peptide, amino acid, nucleic acid, or nucleotide using such labeling reagent.

Abstract: The invention relates to ?-hydroxy ketones of formula I or IIa; or mixtures of compounds of formula I and II; or mixtures of compounds of formulae Ia and IIa

Abstract: This application relates to a new process for the production of R-phenylacetylcarbinol by an enzymatic process in a liquid two-phase system.

Abstract: The present invention provides a new fluorine-containing acetophenone derivative useful as a photo initiator, and a surface layer material containing the fluorine-containing acetophenone derivative. The present invention provides inexpensively an article with a hard coat excellent in anti-staining property, lubricity, scratch resistance and abrasion resistance, and provides a method for forming the hard coat. A fluorine-containing acetophenone derivative represented by the following general formula (I): wherein R1, R2 and R3 each independently represent an organic group other than aryl group, a hydrogen atom, a halogen atom or a hydroxyl group, provided that the following case does not take place: all of R1, R2 and R3 are simultaneously hydrogen atoms; and any two of R1, R2 and R3 may be linked to each other to form a ring, and R4 represents a fluorine-containing organic group.

Abstract: A compound of formula wherein Y represents a pyridyl group, or a phenyl group of formula wherein R3 represents a hydrogen atom, a CF3 group or an alkoxy group, R4 represents a hydrogen atom, an alkyl group, or a CF3 group, R5 represents a hydrogen atom, an alkyl group, a CF3 group or an alkoxy group, and R1 and R2 are the substituents of a terminal alkene of formula wherein R1 represents an alkyl or alkylene group, a mono- or poly-cycloalkyl group, or a phenyl group that optionally includes one or several hetero-atoms of oxygen, nitrogen, phosphorous or sulfur; R2 represents a hydrogen atom, an alkyl or alkylene group, a mono- or poly-cycloalkyl group, or a phenyl group that optionally includes one or several hetero-atoms of oxygen, nitrogen, phosphorous and sulfur.

Abstract: Novel and known trifluoroacetyl-substituted phenyl, phenol and benzoyl compounds for the treatment and/or inhibition of obesity and of concomitant and/or secondary diseases involved therewith, in particular metabolic syndrome and cardiovascular diseases. Novel trifluoroacetyl-substituted phenyl, phenol and benzoyl compounds, pharmaceutical preparations containing them and processes for the preparation of these compounds. Also compounds acting as inhibitors of lipase, in particular pancreatic lipase.

Abstract: This invention relates to a process for the preparation of acylated aromatic ethers, in particular the acylation of anisole (methoxybenzene) and veratrole (1,2-dimethoxybenzene) for the preparation of corresponding acylated aromatic ether, namely, p-methoxyacetophenone and 3,4-dimethoxyacetophenone respectively, using clay based heterogeneous catalysts, and their lanthanide exchanged forms at moderate temperature and pressure with high selectivity.

Abstract: The invention relates to metathesis polymers wherein an aromatic group that has UV-light absorbing properties is attached with a bridge group to the polymer. Also disclosed is a polymerisable composition comprising a catalytically effective amount of a penta- or hexavalent ruthenium or osmium carbene catalyst, the process for preparing the metathesis polymer by applying the reaction conditions of Ring Opening Metathesis Polymerisation (=ROMP) to the polymerisable composition; and various technical applications of the metathesis polymers.

Abstract: Compounds of the formula: in which the dotted lines indicate the position of single or double bonds, R1 represents a radical belonging to a fragrant alcohol of the formula R1OH, X represents a nucleophilic group selected from the group consisting of —OH, ═O, —NH2 or —NHR3, R3 representing a C1 to C6 straight-chain or branched hydrocarbon radical, saturated or unsaturated, or an aliphatic or aromatic ring having 5 or 6 carbon atoms, m and n define whole numbers within the range 0 to 2 such that the sum m+n is equal to 1 or 2, p defines a whole number with a value of 0 or 1, each of the symbols R2, R4, R5, R6, R7, taken independently, represents a hydrogen atom, a C1 to C4 straight-chain or branched hydrocarbon radical, saturated or unsaturated optionally substituted, and, taken two by two, they can form aromatic or aliphatic monocyclic, bicyclic or tricyclic substances with the carbon atoms to which they are bound.

Abstract: The present invention is directed to aromatic derivatives of formula (I), wherein: R1 is (a), wherein R3 and R4 are selected from between H and OH, provided that R3 and R4 are not simultaneously H, and R2 is H; or R1 and R2 taken together, are (b), wherein R5 is selected from between CH3 and (CH2)5OH, to the iron complexes thereof, and to their use for the preparation of pharmaceutical compositions for the normalization of iron level.

Abstract: The invention relates to new compounds of the formula (I) in which R is phenyl, C1-4alkyl-, C1-4alkoxy- or halogen-substituted phenyl, naphthyl or an aromatic ring containing heteroatoms; X is O or S; R1 and R2 are each a methyl radical or R1 and R2 together are a C4-8alkylene radical; Y is hydroxyl, C1-12alkoxy, C1-4alkylamino, di-C1-4alkylamino or a piperidine or morpholine ring that is attached by its nitrogen atom; to a process for preparing them and to their use as photoinitiators and/or photosensitizers.

Abstract: The present invention is a fragrance precursor of formula I: 1

Abstract: The present invention relates to novel compounds of the formula (I) in which Het represents one of the groups  in which A, B, D, G, V, W, X, Y and Z are as defined in the description, processes and intermediates for their preparation, and to their use as pesticides and herbicides.

Abstract: A new process is described for the preparation of (alkoxyalkyl)(4-trifluoromethylphenyl)methanones. The process comprises reacting a 4-trifluoromethylbenzonitrile with an alkoxyalkyl Grignard in the presence of a suitable polar aprotic solvent. The compound (4-methoxybutyl)(4-trifluoromethylphenyl)methanone is useful as an intermediate in the preparation of the antidepressant drug fluvoxamine.

Abstract: A process for preparing 2-amino malonic acid derivatives of formula (1): wherein A is linear or branched chain alkylene having from 1 to 10 carbon atoms, R1 is linear or branched chain alkyl having from 2 to 20 carbon atoms, R2 and R3 are the same or different, and are lower alkyl or aralkyl, and R4 is a protecting group, which process comprises the steps of reducing a compound of formula (6): wherein A is linear or branched chain alkylene having from 1 to 10 carbon atoms, R1 is linear or branched chain alkyl having from 2 to 20 carbon atoms, R2 and R3 are the same or different, and are lower alkyl or aralkyl, and R4 is a protecting group.

Abstract: A process for preparing 2-amino malonic acid derivatives of formula (1): 1

Abstract: This invention discloses an improved method for the [2+2+2] cyclotrimerization reaction in aqueous solutions using a water soluble transition metal catalyst.

Abstract: A method of generating reactive species which includes exposing a photoreactor composition to radiation, in which the photoreactor composition comprises a wavelength-specific sensitizer associated with one or more reactive species-generating photoinitiators. Also described are methods of polymerizing unsaturated monomers and curing an unsaturated oligomer/monomer mixture.

Abstract: Molecular complex compounds comprising a mono-, bis- or trisacylphosphine oxide compound with an .alpha.-hydroxy ketone compound are suitable as photoinitiators for the photopolymerization of free-radically polymerizable compounds.

Abstract: The present invention relates to novel 4-halo-2-fluoro-5-alkylbenzoyl compounds and their methods of manufacture. These compounds are useful for the preparation of agricultural chemicals and medicines, particularly as intermediates for an active class of aryl-haloalkylpyrazole and aryl alkylsulfonylpyrazole herbicides.

Abstract: A method of generating reactive species which includes exposing a photoreactor composition to radiation, in which the photoreactor composition comprises a wavelength-specific sensitizer associated with a reactive species-generating photoinitiator. Also described are methods of polymerizing unsaturated monomers and curing an unsaturated oligomer/monomer mixture.

Abstract: Novel .beta.-aminovinyl ketones of the general formula ##STR1## wherein R.sup.1 is, in particular, an alkenyl, alkynyl, cycloalkyl or cycloalkenyl group; R.sup.2 is, in particular, an electron-attracting substituent such as nitro, acyl, ester, alkylthio, carbamoyl, thiocarbamoyl or haloalkyl; R.sup.3 is, in particular, an alkyl or alkoxy group or a halogen atom; n is 1 or 2 and m is 0, 1, 2 or 3. A method for preparing such compounds by carrying out a condensation reaction between ketone R.sup.1 --CO--CH.sub.3 and, in particular, benzonitrile substituted by (R.sup.2).sub.n and optionally (R.sup.3).sub.m, in the presence of a strong base, as well as a process employing said .beta.-aminovinyl ketones of general formula (VI) for preparing the corresponding .beta.-diketones, are also disclosed.

Abstract: The invention relates to 4-substituted isoxazole derivatives of formula I: ##STR1## wherein R, R.sup.1, R.sup.2, Q and n have the meaning defined in the description which possess valuable herbicidal properties.

Abstract: A release tag reagent suitable for use in the chemical analysis of a substance to be detected comprises signal, release, and reactivity groups. A class of release tag compounds that are cleaved to release as signal groups very stable electrophoric ketones which are sufficiently volatile for determination in the gas phase of an analytical reaction mixture is disclosed.

Abstract: Liquid highly active photoinitiators are obtained by dissolving a solid photoinitiator of the titanocene type in liquid photoinitiators of the acetal or ketal type. The liquid mixtures have a long dark storage stability.

Abstract: The invention relates to a composition comprising(a) at least one ammonium salt of an inorganic or organic acid,(b) a compound of formula I ##STR1## wherein R is an aliphatic hydrocarbon radical of 1 to 12 carbon atoms or an aliphatic hydrocarbon radical of 2 to 12 carbon atoms which is interrupted by --O-- atoms, and n is an integer from 1 to 5, and(c) at least one high molecular weight compound selected from the group consisting of the polynucleotides, oligosaccharides, proteins and macrocyclic metal complexes, and to the use thereof for the matrix-assisted laser desorption mass spectroscopy of oligonucleotide sequences.

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: Provided are compounds having the formula: ##STR1## wherein: R.sup.1 and R.sup.2 are independently selected from the group consisting of a hydrogen atom, an aliphatic group, a hetero-aliphatic group, an aromatic group, and a heterocyclic group, provided that R.sup.1 and R.sup.2 may together form a divalent radical selected from the group consisting of an aliphatic radical and hetero-aliphatic group;each R.sup.3 is independently selected from the group consisting of an aliphatic group, a hetero-aliphatic group, an aromatic group, and a heterocyclic group;R.sup.4 is selected from the group consisting of an aliphatic group, a hetero-aliphatic group, an aromatic group, and a heterocyclic group; andn is an integer from 0 to 5.Also provided are polymerizable compositions containing such compounds and a method of coating a substrate which uses such polymerizable compositions.