Abstract: Saturated, fluorine-containing and chlorine-free hydrocarbons are prepared by catalytically hydrogenating unsaturated, fluorine- and chlorine-containing hydrocarbons at temperatures above 80.degree. C. in the gas phase.

Abstract: The invention relates to a new process for the preparation of (hetero)arylalk(en/in)ylamines of the formula (I) ##STR1## in which A represents ethane-1,2-diyl (ethylene, dimethylene, --CH.sub.2 --CH.sub.2 --) or represents ethene-1,2-diyl (ethenylene, vinylene, --CH.dbd.CH--) or represents ethine-1,2-diyl (ethinylene, --C.ident.C--),characterized in that(a) in the event that, in formula (I), A represents ethine-1,2-diyl, halogeno(hetero)aryl compounds of the general formula (II)Ar--X (II)are reacted with aminoalkinyl compounds of the general formula (III) ##STR2## and, if appropriate, (b) in the event that, in formula (I), A represents ethane-1,2-diyl or ethene-1,2-diyl, the new (hetero)aralkinylamines which are obtained by the process step described under (a), of the general formula (Ia), ##STR3## are reacted with a hydrogenating agent, if appropriate in the presence of a catalyst and if appropriate in the presence of a diluent, the definitions applying to Ar, R.sup.1, R.sup.

Abstract: New .alpha.-trifluoromethyl-substituted, saturated bicyclic amines of the formula ##STR1## in which R.sup.1 represents hydrogen, C.sub.1 - to C.sub.8 -alkyl or C.sub.1 - to C.sub.8 -alkoxy,R.sup.2 represents hydrogen or C.sub.1 - to C.sub.4 -alkyl,n represents zero or 1,A represents ##STR2## B represents NH or ##STR3## and C represents ##STR4## in which A, B and C are either each different from one another or C represents ##STR5## and one of A and B represents NH and the other represents ##STR6## and R.sup.3 denotes hydrogen or C.sub.1 - to C.sub.4 -alkyl and the ring D is saturated.

Abstract: The present invention relates to new carboxylic acid halides containing trifluoromethyl groups, of the formula (I) ##STR1## in which the symbols used have the meanings given in the description, a process for their preparation by reaction of perhalogenoalkanes with carbon monoxide and an olefin and their use for the preparation of textile auxiliaries.

Abstract: A process for the preparation of partially fluorinated alcohols starting from halogen-containing alkenes, and 2,2,3,3,4,4-hexafluorocyclopentanol as a new partially fluorinated alcohol.

Abstract: Reaction products of oxo compounds and amines or ammonia, in which at least one substituent is aromatic and monosubstituted to trisubstituted by halogen, can be catalytically hydrogenated to the respective amines, the halogen essentially being completely retained if an Ni-containing or Co-containing catalyst is employed and the reaction is carried out in the presence of organic sulphur compounds.

Abstract: The catalytic hydrogenation of .alpha.,.beta.-unsaturated ketones of the formulaR.sup.1 --CH.dbd.CH--CO--R.sup.2,in whichR.sup.1 and R.sup.2 independently of one another represent straight-chain or branched alkyl, hydroxy-alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl or aryl, where at least one of the radicals R.sup.1 and R.sup.2 is monosubstituted to trisubstituted by halogen,can be carried out on a Ni-containing catalyst and in the presence of an organic sulphur compound of the formulaR.sup.3 --S(.dbd.O).sub.n --R.sup.4in whichR.sup.3 and R.sup.4 independently of one another denote straight-chain or branched alkyl, hydroxy-alkyl, carboxyalkyl or phenyl, and furthermoreR.sup.3 and R.sup.4 may together represent --CH.dbd.CH--CH.dbd.CH--, --(CH.sub.2).sub.4 --, --(CH.sub.2).sub.5 --, --(CH.sub.2).sub.2 --S--(CH.sub.2).sub.2 -- or --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --,R.sup.4 may additionally denote hydrogen or CO--C.sub.1 -C.sub.12 -alkyl and n assumes the value 0 or 1.

Abstract: A process for the preparation of a hydroxybenzaldoxime O-ether of the formula ##STR1## in which R.sup.1 represents alkyl, comprising(a) in a first step, hydrogenating a nitro-benzaldoxime O-ether of the formula ##STR2## using the calculated amount of hydrogen in the presence of a catalyst and in the presence of a diluent, and(b) in a second step, reacting the amino-benzaldoxime O-ether of the formula ##STR3## thus obtained with a diazotizing agent in acidic, aqueous solution, and, without isolation, thermally hydrolyzing the resultant diazonium salt of the formula ##STR4## in which X.crclbar. represents an equivalent of an inorganic anion, in acidic, aqueous solution.

Abstract: 2,3,5,6-Tetrafluorobenzoic acid is prepared by hydrogenolysis of pentafluorobenzoic acid (esters).

Abstract: Insecticidally and acaricidally active novel substituted furazanes of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is hydrogen, halogen, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, halogenoalkylthio or optionally substituted aryloxy, orR.sup.1 and R.sup.2 together are an optionally substituted alkylene radical which is interrupted by 1 or 2 oxygen atoms,R.sup.3 and R.sup.4 each independently is hydrogen, alkyl, alkoxy, halogenoalkyl or halogenoalkoxy, andX is oxygen or sulphur.

Abstract: Novel substituted 5-cycloalkyl-2,2-dimethyl-pentan-3-ones of the formula ##STR1## in which R is optionally substituted cycloalkyl,X is halogen andY is hydrogen or halogen,The new compounds are valuable intermediates for the synthesis of substances having plant growth-regulating and fungicidal properties.

Abstract: The present invention relates to new polyamines corresponding to the formula ##STR1## in which R.sup.1 represents an alkyl, cycloalkyl or aryl group andR.sup.2 represents hydrogen or an alkyl group.The present invention is also directed to a process for the preparation of these amines by hydrogenating the corresponding trinitriles.

Abstract: Partially hydrogenated derivatives of 2-nitro-1,1,1-trifluoroalkanes, in particular 2-oximino- and 2-hydroxylamino-1,1,1-trifluoroalkanes, are prepared by catalytically hydrogenating 2-nitro-1,1,1-trifluoroalkanes until a maximum of 2.2 moles of hydrogen per mole of 2-nitro-1,1,1-trifluoroalkane have reacted.

Abstract: Novel substitued 5-cycloalkyl-2,2-dimethyl-pentan-3-ones of the formula ##STR1## in which R is optionally substituted cycloalkyl,X is halogen andY is hydrogen or halogen.The new compounds are valuable intermediates for the synthesis of substances having plant growth-regulating and fungicidal properties.

Abstract: A process for the preparation of neopentylamine which is virtually free from amines with a higher degree of alkylation which comprises contacting neopentanol with ammonia at a temperature of 200.degree. to 300.degree. C. in the presence of a hydrogenation catalyst. The process can be carried out under increased pressure and in the presence of catalytic amounts of hydrogen.

Abstract: New 2-trimethylsilyloxy-ethylamines are disclosed. They can be prepared by catalytic hydrogenation of 1-trimethylsilyloxynitriles which are substituted in the 2-position.

Abstract: A process for the preparation of 1,4-3,6-dianhydro-hexitols from hexitols by elimination of water is described, characterized in that gaseous hydrogen halide is used as the acid dehydrating agent optionally with carboxylic acids, carboxylic acid halides and/or carboxylic acid anhydrides in quantities of up to 600 mol percent, based on the hexitols, as cocatalysts. The reaction is carried out in the absence of water and organic solvents, preferably using gaseous hydrogen chloride, temperatures of up to 300.degree. C. and pressures of up to 250 bar. Very high yields are obtained after working up of the product by distillation or extraction.

Abstract: The invention includes new 2-amino-3a,4,5,6-tetrahydro-perimidines and method for their preparation from corresponding racemacic compounds. Also included in the invention are pharmaceutical compositions containing said 2-amino-3a,4,5,6-tetrahydro-perimidines and methods for the use of said compounds and compositions.

Abstract: The instant invention relates to hydroxyl polyethers which are modified with amide groups and a method of their manufacture. The method includes a first stage wherein a portion of the hydroxyl groups of a polyether polyol are aminated and a second stage wherein the amine groups are reacted with a carboxylic acid, its anhydride, ester or halide. The modified polyesters may be used for the production of polyurethane resins.

Abstract: Process for the preparation of aromatic amines which additionally still contain C-C multiple bonds, characterized in that aromatic nitro compounds which still contain C-C multiple bonds are hydrogenated in the presence of cobalt sulphides as catalysts, at 20.degree. to 140.degree. C and at 5 to 150 bars hydrogen pressure.