Abstract: Process for preparing isononylamines starting out from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated in the presence of a catalyst to form octene; (b) the octene obtained in step a) is reacted with carbon monoxide and hydrogen in the presence of a transition metal compound of group VIII of the Periodic Table of the Elements to form isononanal; and (c) the isononanal obtained in step b) is converted into isononylamines.

Abstract: The present application describes a method for the synthesis of neopentylglycol starting from isobutyraldehyde and formaldehyde which are reacted in the presence of an alkaline catalyst, followed by separation of the volatile components until a water content of less than 5% is obtained. The distillation bottom product is then hydrogenated.

Abstract: Process for preparing isononanoic acid proceeding from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated to octene in the presence of a catalyst; (b) the octene obtained in step a) is reacted in the presence of a transition metal compound of group VIII of the periodic table of the elements with carbon monoxide and hydrogen to give isononanal; and (c) the isononanal obtained in step b) is oxidized to isononanoic acid.

Abstract: A Process for preparing carboxylic esters of a mixture of structurally branched C9 monocarboxylic acids proceeding from 2-ethylhexanol is characterized in that (a) 2-ethylhexanol is dehydrated to an octene mixture in the presence of a catalyst; (b) the octene mixture obtained in step a) is reacted in the presence of a transition metal compound of group VIII of the periodic table of the elements with carbon monoxide and hydrogen to give a mixture of isomeric isononanals; (c) the mixture of isomeric isononanals obtained in step b) is oxidized to a mixture of structurally branched C9 monocarboxylic acids; and (d) the mixture of structurally branched C9 monocarboxylic acids obtained in step c) is reacted with alcohols to give carboxylic esters.

Abstract: The present invention relates to a method of synthesizing n-butane derivatives, especially 1-butanol, 1-butanal or 1-butyric acid as well as crotonaldehyde and the reaction products thereof, wherein at first methanol is converted into a C2 building block, either ethanol or acetaldehyde, and said C2 building block is then dimerized into a C4 building block.

Abstract: A method for preparing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give hydroxypivalaldehyde with subsequent hydrogenation at a temperature of 80 to 140° C. and at a pressure of 2 to 18 MPa in the liquid phase, is characterized in that the hydrogenation is carried out in the presence of a copper chromite catalyst comprising the activators barium and manganese.

Abstract: Process for preparing the vinyl ester of isononanoic acid starting out from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated in the presence of a catalyst to form octene; (b) the octene obtained in step a) is converted into an isononanoic acid having one more carbon atom; and (c) the isononanoic acid obtained in step b) is converted into the corresponding vinyl ester.

Abstract: A continuous method for preparing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give hydroxypivaldehyde with subsequent hydrogenation in the gas phase at a temperature of 125 to 180° C., is characterized in that the hydrogenation is carried out in the presence of a copper chromite catalyst comprising the activators barium and manganese and at a superatmospheric pressure of 30 to 120 kPa.

Abstract: A method for preparing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give hydroxypivalaldehyde with subsequent hydrogenation at a temperature of 80 to 140° C. and at a pressure of 2 to 18 MPa in the liquid phase, is characterized in that the hydrogenation is carried out in the presence of a copper chromite catalyst comprising the activators barium and manganese.

Abstract: A continuous process for preparing primary aliphatic amines having 3 to 18 carbon atoms by reacting corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst, characterized in that the reaction is carried out without solvent at a molar ratio of aliphatic aldehyde to ammonia of more than 1 to 16, above the critical temperature and above the critical pressure of ammonia.

Abstract: A continuous method for preparing neopentyl glycol by addition of isobutyraldehyde and formaldehyde in the presence of a tertiary alkylamine as catalyst to give hydroxypivalaldehyde with subsequent hydrogenation in the gas phase at a temperature of 125 to 180° C., is characterised in that the hydrogenation is carried out in the presence of a copper chromite catalyst comprising the activators barium and manganese and at a superatmospheric pressure of 30 to 120 kPa.

Abstract: A continuous process for preparing primary aliphatic amines having 3 to 18 carbon atoms by reacting corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst, characterized in that the reaction is carried out without solvent at a molar ratio of aliphatic aldehyde to ammonia of more than 1 to 16, above the critical temperature and above the critical pressure of ammonia.

Abstract: Process for preparing isononanoic acid proceeding from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated to octene in the presence of a catalyst; (b) the octene obtained in step a) is reacted in the presence of a transition metal compound of group VIII of the periodic table of the elements with carbon monoxide and hydrogen to give isononanal; and (c) the isononanal obtained in step b) is oxidized to isononanoic acid.

Abstract: Process for preparing the vinyl ester of isononanoic acid starting out from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated in the presence of a catalyst to form octene; (b) the octene obtained in step a) is converted into an isononanoic acid having one more carbon atom; and (c) the isononanoic acid obtained in step b) is converted into the corresponding vinyl ester.

Abstract: A Process for preparing carboxylic esters of a mixture of structurally branched C9 monocarboxylic acids proceeding from 2-ethylhexanol is characterized in that (a) 2-ethylhexanol is dehydrated to an octene mixture in the presence of a catalyst; (b) the octene mixture obtained in step a) is reacted in the presence of a transition metal compound of group VIII of the periodic table of the elements with carbon monoxide and hydrogen to give a mixture of isomeric isononanals; (c) the mixture of isomeric isononanals obtained in step b) is oxidized to a mixture of structurally branched C9 monocarboxylic acids; and (d) the mixture of structurally branched C9 monocarboxylic acids obtained in step c) is reacted with alcohols to give carboxylic esters.

Abstract: Process for preparing isononylamines starting out from 2-ethylhexanol, characterized in that (a) 2-ethylhexanol is dehydrated in the presence of a catalyst to form octene; (b) the octene obtained in step a) is reacted with carbon monoxide and hydrogen in the presence of a transition metal compound of group VIII of the Periodic Table of the Elements to form isononanal; and (c) the isononanal obtained in step b) is converted into isononylamines.

Abstract: A continuous process for producing primary aliphatic amines having 9 to 18 carbon atoms by reaction of corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst in the liquid phase, characterized in that the reaction is carried out solventlessly at a molar ratio of aliphatic aldehyde:ammonia of at least 1:30, at a temperature of 100 to 200° C. and at a pressure of 6 to 11 MPa.

Abstract: A continuous process for producing primary aliphatic amines having 9 to 18 carbon atoms by reaction of corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst in the liquid phase, characterized in that the reaction is carried out solventlessly at a molar ratio of aliphatic aldehyde:ammonia of at least 1:30, at a temperature of 100 to 200° C. and at a pressure of 6 to 11 MPa.