Abstract: The invention relates to a process for eliminating nitrogenous organic compounds from a salt-containing water which contains more than 0.5% by weight of salt in the form of CaCl2 or NaCl, less than 200 ppm of dissolved carbonic acid or carbonates and more than 50 ppm of nitrogenous organic compounds, by treating the water by wet oxidation at a temperature of below 100° C. with chlorine or a chlorine-containing oxidizing agent and feeding this, preferably after additional oxidation with a gaseous oxidizing agent and/or by adsorption with an adsorbent, to an electrolysis for producing chlorine and/or sodium hydroxide solution.

Abstract: The present invention relates to a catalyst based on ruthenium complexes and to a process for the asymmetric epoxidation of olefins using catalysts based on ruthenium complexes.

Abstract: The invention relates to novel substituted 1H-pyrrolo[2,3-b]pyridines of the general formula (I) to processes for their preparation and to intermediates therefor.

Abstract: The invention relates to a process for preparing difluorobenzo-1,3-dioxole-5-carboxylic acid and derivatives thereof, and to the use thereof for preparing medicaments and crop protection agents.

Abstract: Corrosion inhibitor and method of protecting metallic materials in strongly alkaline medium by means of a corrosion inhibitor, characterized in that it contains an amine containing at least one CH group bound to the nitrogen.

Abstract: The present invention relates to a substantially gel-free sealant or adhesive compound comprising butyl-type polymer without any conjugated aliphatic diene in its composition having an average molecular weight Mn of more than 20,000 g/mol and containing less than 15 wt. % of solid matter insoluble in boiling cyclohexane under reflux for 60 min., and a self-supporting shaped article comprising said compound optionally layered on or interposed between one or more supporting means as well as a tape comprising said substantially gel-free compound optionally layered on or interposed between one or more supporting means. In still another of its aspects, the present invention relates to an adhesive composition comprising said substantially gel-free compound. In still another of its aspects, the present invention relates to a sealant composition comprising said substantially gel-free compound.

Abstract: The present invention relates to a process for preparing enantiomerically enriched, optionally substituted 2-alkoxy-3-phenylpropionic acids by asymmetrically hydrogenating alkoxycinnamic acids.

Abstract: The present invention relates to biarylbisphosphines and intermediates thereof. The scope of the invention further encompasses catalysts preparable from the biarylbisphosphines and their use in asymmetric syntheses.

Abstract: An improved process for preparing carbamic ester derivatives of the general formula (1) by reaction with carbon monoxide and water in the presence of a palladium catalyst is provided.

Abstract: The present invention relates to a process for preparing enantiomerically enriched 2-butanol and to its use.

Abstract: Polyhalogenated cinnamic acids and cinnamic acid derivatives are prepared by reacting diazonium salts accessible from polyhalogenated anilines with acrylic acid or acrylic acid derivatives in the presence of a homogeneous, palladium-containing catalyst at about ?5 to about +100° C. Some of the cinnamic acids and cinnamic acid derivatives obtainable in this way are new. Cinnamic acids and cinnamic acid derivatives which can be prepared according to the invention can be used for the preparation of indanones which are precursors for agro- and pharmaceutical chemicals and for substances having liquid-crystalline properties.

Abstract: The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I) by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of a catalyst.

Abstract: The present invention relates to halogenated 4-aminophenols and to halogenated 4-(phenyidiazenyl)phenols, to a process for their preparation and to the use of the halogenated 4-hydroxyphenols for preparing active ingredients, especially in pharmaceuticals and agrochemicals.

Abstract: The present invention relates to a process for preparing optionally substituted arylsulphonic anhydrides of the general formula (I)

Abstract: The present invention relates to a process for preparing stereoisomerically enriched 4-aryl-4-hydroxybutanoic acid derivatives by reducing 4-aryl-4-ketobutanoic acid derivatives in the presence of ruthenium-containing catalysts.

Abstract: A process for the separation of dichlorobenzene mixtures containing m- and p-dichlorobenzene in which: (i) the mixture is as an extracting agent contacted with a phosphoric ester of the general formula (I) as an extracting agent in which R1, R2 and R3 are identical or different and represent an aliphatic or cycloaliphatic alkyl or alkenyl radical and R1, R2, and R3 together contain at least 3C-atom and not more than 12 C-atoms, or a mixture of different phosphoric esters (I) of formula or is contacted with a phosphine oxide of the general formula (II) as an extracting agent in which R1, R2 and R3 are identical or different and represent an aliphatic or cycloaliphatic alkyl or alkenyl radical or hydrogen, and R1, R2 and R3 together contain at least 3 C-atoms and not more than 12 C-atoms, or a mixture of different phosphine oxides of formula (II) or a mixture of said phosphoric esters of formula (I) and phosphine oxides of formula (II), and subsequently (ii) the components of the mixture are

Abstract: The invention relates to a process for preparing arylvinyl halides and sulphonates and arylalkynes by reacting haloaromatics or aryl sulphonates with vinyl halides or sulphonates in the presence of a palladium catalyst and a base and, if appropriate, subsequent elimination.

Abstract: A method for determining changes of a site, wherein the site is treated with an aqueous dispersion having at least one binder, at least one substance emitting visible light on UV exposure, at least one binder and, optionally, a dispersant and the site thus treated and/or untreated adjacent sites are exposed to UV light and the deviation of the light intensity of the emitted light of a partial area of the site from the mean light intensity of the emitted light of the site area and/or the light intensity of the emitted light of a part of the adjacent, untreated area from the mean light intensity of the emitted light of the adjacent untreated areas and/or the light intensity of the emitted light of the site immediately after the treatment with the composition from the light intensity of the emitted light at a later time and/or the light intensity of the emitted light of the adjacent untreated area immediately after the treatment of the site with the composition from the light intensity of the emitted light of th

Abstract: A process is provided for preparing optionally substituted arylated benzylamines from the corresponding optionally substituted aryl halides and optionally substituted benzylamines using a specific solvent mixture, a base and a catalyst comprising a palladium compound and a bisaryldialkylphosphine.

Abstract: The invention describes a process for preparing alkoxylated, phosphorus-containing compounds, using heterogeneous catalysts based on metal oxides of aluminum, so that the product can be worked up anhydrously.