Abstract: Process for the preparation of polyfunctional amines of the formulae by hydrogenation of the associated nitriles of the formulae with hydrogen, where A is an aromatic or aliphatic compound from the group of unsubstituted or substituted phenylene or naphthylene, methylene, unsubstituted or substituted ethylene, propylene, unsubstituted or substituted straight-chain or branched butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene and B is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms, and X can be missing or is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms, wherein a melt, solution or suspension of the nitrile of formula (III) or (IV) is added over the course of the reaction time to a suspension or solution of a catalyst in a solvent which comprises ammonia and is stirred at a temperature range from 60 to 150° C. under hydrogen pressure.

Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.

Abstract: A process for the preparation of polyfunctional amines of the formulae by hydrogenation of the associated nitriles of the formulae with hydrogen, where A is an aromatic or aliphatic compound from the group of unsubstituted or substituted phenylene or naphthylene, methylene, unsubstituted or substituted ethylene, propylene, unsubstituted or substituted straight-chain or branched butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene and B is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms, such as methylene, unsubstituted or substituted ethylene, propylene, unsubstituted or substituted straight-chain or branched butylene, pentylene, hexylene, heptylene, octylene, nonylene, decylene, where at least one CH2 unit must be in direct vicinity to the amino group, and X can be missing or is a straight-chain or branched aliphatic carbon chain having 1 to 10 carbon atoms, such as methylene, unsubstituted or substituted ethylene, propylene, unsubstituted or substit

Abstract: The present invention relates to a new copper-catalysed photochemnical cyclisation process for the preparation of bicylic molecules useful as intermediates in the manufacture of drugs. In a preferred aspect, the process of the invention may be used to prepare 3-hydroxy-bicyclo[3.2.0]heptane.

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

Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.

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: Process for preparing 2-bromo-4,4?-dialkylbiphenyl, wherein 4,4?-dialkylbiphenyl is, in the presence of catalytic amounts of iodine and, if appropriate, in a halogenated hydrocarbon as solvent, reacted with bromine.

Abstract: The present invention relates to pyrazolyalkines and to their use, to a process for preparing them and also to intermediates.

Abstract: The invention relates to a process for synthesizing tertiary phosphines by reacting halophosphines with organomagnesium compounds in the presence of copper compounds and optionally of salts.

Abstract: An aqueous catalyst solution comprising rhodium and an aqueous solution comprising sulfonated arylphosphines by reacting arylphosphines with oleum to form a sulfonation mixture, diluting the sulfonation mixture with water, extracting the diluted sulfonation mixture with a solution of a water-insoluble amine in a water-insoluble organic solvent, reacting the resulting water-immiscible organic phase with a solution of an inorganic base in water, adjusting the resulting aqueous solution of sulfonated arylphosphines of pH of up to 3 by addition of an acid, and passing an inert gas stream through the aqueous solution comprising sulfonated arylphosphines until sulfur dioxide is no longer liberated from the aqueous solution of sulfonated arylphosphines.

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 the arylation of olefins by reaction of haloaromatics or arylsulfonates with olefins in the presence of a palladium catalyst, a bulky nitrogen base and a salt.

Abstract: A process for preparing sulfonated arylphosphines by reaction of arylphosphines with oleum, wherein, after reaction of the arylphosphines with oleum, the sulfonation mixture is firstly diluted with water, an inert gas stream is then passed through the diluted sulfonation mixture until SO2 is no longer liberated from the diluted sulfonation mixture and the latter is then worked up further in a customary manner and its use.

Abstract: A process for preparing sulfonated arylphosphines by reaction of arylphosphines with oleum, wherein, after reaction of the arylphosphines with oleum, the sulfonation mixture is firstly diluted with water, an inert gas stream is then passed through the diluted sulfonation mixture until SO2 is no longer liberated from the diluted sulfonation mixture and the latter is then worked up further in a customary manner and its use.

Abstract: The present invention relates to pyrazolylarylalkines and to their use, to a process for preparing pyrazolylarylalkines and also to intermediates.

Abstract: A process for preparing solutions of sulfonated arylphosphines comprising reacting arylphosphines with oleum, diluting the sulfonation mixture with water, extracting the diluted sulfonation mixture with a solution of a water-insoluble organic solvent, reacting the organic phase with a solution of an inorganic base in water, adjusting the resulting aqueous solutin of sulfonated arylphosphines to a pH of up to 3 by addition of an acid, and passing an inert gas stream through the aqueous solution comprising sulfonated arylphosphines until sulfur is no longer liberated from the aqueous solution of sulfonated arylphosphines.

Abstract: The present invention relates to a process for the arylation of olefins by reaction of haloaromatics or arylsulfonates with olefins in the presence of a palladium catalyst, a bulky nitrogen base and a dipolar aprotic solvent.

Abstract: The present invention relates to pyrazolyalkines and to their use, to a process for preparing them and also to intermediates.

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.