Abstract: A process for the hydrogenation of an aromatic compound, in which at least one hydroxyl group is attached to an aromatic core, or an aromatic compound, in which at least one amino group is attached to an aromatic core, in the presence of a catalyst containing, as active metal, ruthenium and optionally one or more other Group IB, VIIB, or VIIIB metals, applied to a macroporous support.

Abstract: Catalysts are composed ofa) a magnetizable core,b) which may be coated with a binder andc) which carries catalytically active metals or metal compounds on its surface.

Abstract: A process for reacting an organic compound in the presence of a catalyst, wherein the catalyst comprises a homogeneous ruthenium compound or a mixture of two or more thereof deposited in situ on a support.

Abstract: In a process for hydrogenating an aromatic compound in which at least one hydroxyl group is bonded to an aromatic ring or an aromatic compound in which at least one amino group is bonded to an aromatic ring, in the presence of a catalyst comprising as catalytically active component at least one metal of transition group I, VII or VIII of the Periodic Table applied to a support, the catalyst is obtainable bya) dissolving the catalytically active component or a precursor compound thereof in a solvent,b) admixing the solution thus obtained with an organic polymer which is able to bind at least ten times its own weight of water, giving a swollen polymer,c) subsequently mixing the swollen polymer with a catalyst support material andd) shaping, drying and calcining the composition obtained in this way.

Abstract: A process for preparing N-alkyl-substituted aminoalkynes by reacting an alkyne with a carbonyl compound and an amine with heterogeneous catalysis in which an unsupported copper acetylide derived from malachite is used as the catalyst. The N-alkyl-substituted aminoalkyne have a wide variety of uses including their use as precursors for pharmaceuticals, their use in electroplating processes and their use as corrosion inhibitors.

Abstract: N-Hydroxyalkyl-substituted aminoalkynes of the formula I ##STR1## are prepared by reacting an alkyne with a 1-oxa-3-azaheterocyclo-alkane in a reaction with heterogeneous catalysis by a catalyst which comprises a compound of a metal of the first or second sub-group.

Abstract: Hydroxyalkyl-substituted aminoalkynes of the general formula I ##STR1## where at least one of the substituents R.sup.1, R.sup.4 or R.sup.5 is hydroxyalkyl are prepared in a reaction with heterogeneous catalysis.

Abstract: Vinyl carbamate compounds are prepared by reacting appropriate secondary amines with carbon dioxide and acetylenically unsaturated compounds in the presence of a compound of a metal from the platinum group, in particular a ruthenium compound, with either one of the two process steps (a) and (b) or, preferably, both being carried out:(a) the acetylene compound is reinjected during the reaction;(b) the reaction is carried out in the presence of a tertiary amine.

Abstract: 2-Imidazolidinones are prepared by reacting 1,3-dioxalan-2-one (ethylene carbonate) with at least one compound of the formula RNH.sub.2 where R can be, inter alia, H, alkyl, aryl, heteroalkyl or heteroaryl.

Abstract: Aromatic compounds in which at least one amino group is bonded to an aromatic nucleus are catalytically hydrogenated in the liquid phase by a process in which the catalyst consists essentially of ruthenium and, optionally at least one metal of subgroup I, VII or VIII in an amount of from 0.01 to 30% by weight, based on the total weight of the catalyst, applied to a carrier which has a mean pore diameter of at least 0.1 .mu.m and a surface area of not more than 15 m.sup.2 /g.

Abstract: A process for preparing N-alkenylureas of the general formula I ##STR1## where R.sup.1 and R.sup.2 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcyc1oalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkyl, andR.sup.3 and R.sup.4 are hydrogen or C.sub.1 - to C.sub.8 -alkyl,by reaction of ureas of the general formula II ##STR2## where R.sup.1 and R.sup.2 have the abovementioned meanings, with an alkenyl carboxylate of the general formula III ##STR3## where R.sup.3 and R.sup.4 have the abovementioned meanings and R.sup.5 is hydrogen, C.sub.

Abstract: Acetylenic compounds of the general formula IR.sup.1 --C.tbd.C--CHR.sup.2 --CH.sub.2 --X Iwhere the substituents have the following meanings:R.sup.1 hydrogen, unsubstituted or substituted alkyl or aryl;R.sup.2 hydrogen or C.sub.1 -C.sub.4 -alkyl;X CN; COOR.sup.3 where R.sup.3 is C.sub.1 -C.sub.6 -alkyl or benzyl; C(O)R.sup.4 where R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,are prepared by reacting an alkyne of the formula IIR.sup.1 --C.tbd.C--H IIwith an .alpha.,.beta.-unsaturated compound of the formula IIIR.sup.2 HC.dbd.CH--X IIIin the presence of a homogeneous rhodium-phosphine catalyst, in a process wherein a catalyst with a bidentate or tridentate phosphine compound is used.

Abstract: The preparation of monovinyl ethers of the general formula I ##STR1## in which A stands for a chemical bond or for a methylene or ethylene group, the radicals R.sup.1 and R.sup.2 independently stand for hydrogen, alkyl, cycloalkyl, or aryl groups or R.sup.1 and R.sup.2 together form a C.sub.3 -C.sub.5 alkylene bridging member, by the reaction of a diol of the general formula II ##STR2## in which the variables have the above meanings, with acetylene in the presence of a base, in which the reaction is carried out at 150.degree.-250.degree. C. under an acetylene partial pressure of 5-25 bar until 40-80% of the diol has been converted, at which point the reaction is stopped and the monovinyl ether of the formula I is isolated.

Abstract: Preparation of N-alkenyl carboxamides of the general formula I ##STR1## in which the radicals R.sup.1 to R.sup.4 independently stand for hydrogen or for aliphatic, cycloaliphatic, or aromatic radicals, which optionally carry inert substituents, wherein an amide of the general formula II ##STR2## in which the radical R.sup.1 has the above meaning, and a carbonyl compound of the general formula III ##STR3## in which the radicals R.sup.2 to R.sup.4 have the above meanings, are caused to react in the presence of a base, said reaction being eithera) carried out in the presence of a carboxylic acid derivative of the general formula IV ##STR4## in which the radical R.sup.5 stands for hydrogen or an alkyl or aryl group and X is a halogen, alkoxy, or carboxylalkyl radical, orb) continued in the presence of a carboxylic acid derivative of the formula IV, and the amide of the formula I is isolated.

Abstract: Oxime ethers of the general formula I ##STR1## where the variables have the following meanings: R.sup.1, R.sup.2 independently of one another hydrogen, C.sub.1 -C.sub.20 -alkyl, C.sub.4 -C.sub.10 -cycloalkyl, C.sub.6 -C.sub.10 -aryl or together a bridge of 3-14 carbon atoms,R.sup.3 hydrogen, C.sub.1 -C.sub.6 -alkyl or phenyl which is unsubstituted or carries inert substituents,n an integer from 1 to 100,A C.sub.2 -C.sub.10 -alkylene groups which are unsubstituted or carry inert substituents,a process for the preparation thereof and the use thereof as copolymerizable monomers are described.

Abstract: Preparation of a monolithium acetylide/ammonia complex by the reaction of lithium amide and acetylene in ammonia, by carrying out the reaction at a temperature of from -10.degree. to 30.degree. C.

Abstract: N-Alkenylcarboxamides of the formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen, the second radical R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl and R.sup.2 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, are prepared by reacting an alkenyl carboxylate of the formula II ##STR2## where R.sup.1 has the abovementioned meanings and R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where R.sup.2 has the abovementioned meanings, in the presence of a base.

Abstract: A process for preparing N-alkenylazoles of the general formula I ##STR1## where X is CH--R.sup.6 or nitrogen,R.sup.1 and R.sup.2 are hydrogen or C.sub.1 - to C.sub.8 -alkyl,R.sup.3,R.sup.4,R.sup.5 and R.sup.6 are hydrogen, C.sub.1 - to C.sub.40 -alkyl, C.sub.2 - to C.sub.40 -alkenyl, C.sub.3 - to C.sub.20 -cycloalkyl, C.sub.4 - to C.sub.20 -alkylcycloalkyl, C.sub.4 - to C.sub.20 -cycloalkylalkyl, aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl, or aryl, C.sub.7 - to C.sub.20 -alkylaryl or C.sub.7 - to C.sub.20 -aralkyl which are mono- to pentasubstituted by C.sub.1 - to C.sub.8 -alkyl, C.sub.1 - to C.sub.8 -alkoxy or halogen, or R.sup.3 and R.sup.4 or R.sup.4 and R.sup.5 or R.sup.5 and R.sup.6 together are a C.sub.2 - to C.sub.10 -alkylene chain which is unsubstituted or mono- to hexasubstituted by C.sub.1 - to C.sub.8 -alkylby reaction of azoles of the general formula II ##STR2## where X, R.sup.3, R.sup.4 and R.sup.

Abstract: Preparation of N-alkenylcarboxamides of the general formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen and the second radical R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl group, the radical R.sup.2 is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be bonded to the radical R.sup.3 to give a 3- to 10-membered bridge member, and the radical R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the meanings indicated above and R.sup.4 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where the radicals R.sup.2 and R.sup.3 have the meanings indicated above, by reacting the starting compounds in the presence of a base is described.

Abstract: N-Alkenylcarbamic esters of the general formula I ##STR1## where at least one of the R.sup.1 radicals is hydrogen and the second R.sup.1 radical is hydrogen or C.sub.1 -C.sub.4 --alkyl, the R.sup.2 radical is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be linked to the R.sup.3 radical to form a 2- to 10-membered bridge, and the R.sup.3 radical is an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the abovementioned meaning, and R.sup.4 is hydrogen, an aliphatic, cycloaliphatic or aromatic radical, and a carbamic ester of the general formula III ##STR3## where the R.sup.2 and R.sup.3 radicals have the abovementioned meanings, are prepared by reacting the starting compounds in the presence of a base.