Abstract: Method of producing triethanolamine where a phosphane or a compound which liberates a phosphane is added to the triethanolamine.

Abstract: Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C in the presence of a copper-containing catalyst, wherein the catalytically active composition of the catalyst prior to reduction with hydrogen comprises from 20 to 85% by weight of aluminum oxide (Al2O3), zirconium dioxide (ZrO2), titanium dioxide (TiO2) and/or silicon dioxide (SiO2), from 1 to 70% by weight of oxygen-containing compounds of copper, calculated as CuO, from 0 to 50% by weight of oxygen-containing compounds of magnesium, calculated as MgO, oxygen-containing compounds of chromium, calculated as Cr2O3, oxygen-containing compounds of zinc, calculated as ZnO, oxygen-containing compounds of barium, calculated as BaO, and/or oxygen-containing compounds of calcium, calculated as CaO, and less than 30% by weight of oxygen-

Abstract: A method for the production of C1-C10-alkyl 2-keto-L-gulonates by esterification of 2-keto-L-gulonic acid anhydrate with an anhydrous C1-C10-alkyl alcohol in the presence of an acidic homogeneous catalyst in a reactor cascade comprising at least two reactors, one of these reactors being a tubular reactor, without the water forming in the esterification being removed from the reaction space.

Abstract: Process for preparing an ethylamine by reacting ethanol with ammonia, a primary amine or a secondary amine in the presence of hydrogen and a heterogeneous catalyst, in which a biochemically prepared ethanol (bioethanol) in which the concentration of sulfur and/or sulfur-containing compounds has been reduced beforehand by bringing it into contact with an adsorbent is used.

Abstract: The invention relates to a method for producing dialdehydes and/or ethylenically unsaturated monoaldehydes by reacting at least one compound with at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylating catalyst with at least one complex of a metal of subgroup VIII. The subgroup comprises at least pnicogen chelate ligands.

Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols of the formula (I) to product allyl alcohols of the general formula (II) where R1 to R5 are each hydrogen or a mono- or polyunsaturated or saturated C1–C12-alkyl radical, which can be substituted or unsubstituted, in both directions of the equilibrium, which comprises isomerizing in the presence of a dioxotungsten(VI) complex of the general formula (III), where L1, L2 are each independently a ligand selected from the group consisting of the aminoalcohols, the aminophenols and mixtures thereof, m, n are each 1 or 2, new dioxotungsten(VI) complexes, and also their use.

Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols to product allyl alcohols in the presence of a catalyst, wherein the reactant allyl alcohol is rearranged to product allyl alcohol in semicontinuous or continuous mode in a catalyst-containing suitable reactor. In particular, the process according to the invention is used to prepare linalool from Geraniol and/or nerol.

Abstract: The invention relates to a method for producing dialdehydes and/or ethylenically unsaturated monoaldehydes by reacting at least one compound with at least two ethylenically unsaturated double bonds with carbon monoxide and hydrogen in the presence of a hydroformylating catalyst with at least one complex of a metal of subgroup VIII. The subgroup comprises at least pnicogen chelate ligands.

Abstract: The present invention relates to a process for the isomerization of precursor allyl alcohols of the formula (I) to product allyl alcohols of the formula (II) where R1 to R5 are hydrogen or a mono- or polyunsaturated or saturated C1-C12-alkyl radical, which may be substituted, in both directions of the equilibrium, wherein the reaction takes place in the presence of an oxoperoxotungsten(VI) complex of the formula (III), where L1, L2 in each case independently of one another are water or a free coordination site, or are optionally a ligand chosen from the group of aminoalcohols, aminophenols, aminocarboxylic acids or mixtures thereof or mixtures of amines with alcohols, phenols or carboxylic acids, m is the number 1 or 2 n is a number from 1 to 6 p is a number from 1 to 6, where in the case of p>1 a di- or polynuclear complex is formed, and also to novel oxoperoxotungsten(VI) complexes and to the use thereof.

Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols of the formula (I) to product allyl alcohols of the general formula (II) where R1 to R5 are each hydrogen or a mono- or polyunsaturated or saturated C1-C12-alkyl radical, which can be substituted or unsubstituted, in both directions of the equilibrium, which comprises isomerizing in the presence of a dioxotungsten(VI) complex of the general formula (III), where L1, L2 are each independently a ligand selected from the group consisting of the aminoalcohols, the aminophenols and mixtures thereof, m, n are each 1 or 2, new dioxotungsten(VI) complexes, and also their use.

Abstract: The present invention relates to a process for isomerizing reactant allyl alcohols to product allyl alcohols in the presence of a catalyst, wherein the reactant allyl alcohol is rearranged to product allyl alcohol in semicontinuous or continuous mode in a catalyst-containing suitable reactor. In particular, the process according to the invention is used to prepare linalool from Geraniol and/or nerol.

Abstract: The present invention relates to a process for the preparation of tetrahydrogeraniol, wherein the product mixtures and distillation residues from linalool, citronellal, citronellol or geraniol/nerol synthesis are fed directly to catalytic hydrogenation.

Abstract: The present invention relates to a process for the isomerization of precursor allyl alcohols of the formula (I) to product allyl alcohols of the formula (II) 1

Abstract: The invention relates to a process for preparing cyclohexanedicarboxylic acids or derivatives thereof, such as esters and/or anhydrides, encompassing the reaction of diene/maleic acid anhydride mixtures, in particular of butadiene/maleic acid anhydride mixtures or of mixtures of maleic acid anhydrides and C5-dienes to give alkyl-substituted or unsubstituted cyclohexenedicarboxylic acid anhydrides in the condensed phase, ester formation, and then hydrogenation to give the corresponding cyclohexanedicarboxylic acid derivative, and also to the use of the cyclohexanedicarboxylic acids or derivatives thereof prepared according to the invention as plasticizers for plastics.

Abstract: The present invention relates to a process for the preparation of tetrahydrogeraniol, wherein the product mixtures and distillation residues from linalool, citronellal, citronellol or geraniol/nerol synthesis are fed directly to catalytic hydrogenation.