Abstract: Ethyleneamines are efficiently recovered from an aqueous solution thereof by extracting them from the aqueous solution into an organic phase with an extractant selected from carbonyl group-containing organic solvents, benzyl alcohol, carboxylic acids and salts thereof, alkylphosphoric acids and salts thereof, and mixed solvents containing at least one of these extractants. The ethyleneamines in the organic phase is recovered preferably from the organic phase to the aqueous phase by incorporating an acid therein, followed by phase separation.

Abstract: This invention is directed to thermally activated pelletted catalyst compositions comprising titania having phosphorous derived from polyphosphoric acid deposited thereon and to their use in the production of predominatly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: This invention is directed to thermally activated pelletted calcined catalyst compositions comprising titania having phosphorous derived from phosphoric acid deposited thereon and their use in the production of predominatly linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: The invention relates to new 3-nitro-4-aminophenols of the formula (I) ##STR1## in which R denotes hydrogen or halogen, preferably chlorine or bromine, and R' denotes hydrogen or alkyl, hydroxyalkyl, dihydroxyalkyl or halogenohydroxyalkyl which has 1 to 6 carbon atoms and is straight-chain or branched, with the proviso that, if R is hydrogen, R' does not denote hydrogen, methyl or .beta.-hydroxyethyl.Processes for their preparation: (a) by reacting corresponding 3-nitro-4-aminophenols with certain halogenoalkyl chloroformates and subsequent basic treatment of the process products, or (b) by reacting corresponding 4-halogeno-3-nitrophenols with certain amines, and the intermediate products obtained and coloring agents for keratinic fibres, preferably for human hair, which contain at least one compound of the formula (I).

Abstract: A process for the stimulaneous halogenation and fluorination of aromatic derivatives substituted by at least one group containing a halogenoalkyl unit. The aromatic derivative is reacted with the halogen in liquid hydrofluoric acid. The products obtained are useful as intermediates for the synthesis of compounds having a plant-protecting or pharmaceutical activity.

Abstract: 2-Equivalent oxidative hair dye coupler compounds of the formula (I) ##STR1## wherein X is halogen or OR', wherein R and R' may be the same or different and represent alkyl, mono- or poly-hydroxyalkyl, alkoxyalkyl, alkylphenyl, aminoalkyl, mono- and di-alkylaminoalkyl, phenyl or phenylalkyl except that R and R' are not both methyl, and the acid addition salts thereof are used in oxidative hair dye compositions with conventional para bases. The amount of oxidizing agent can be reduced relative to similar compositions containing 4-equivalent meta coupler compounds. Some of the compounds of formula (I) in which X is OR' are novel compounds as is the elimination of HOR' during the oxidative coupling reaction.

Abstract: Process for the production of 4-(trialkylammonium)-acetoacetarylides having the formula: ##STR1## wherein R is H, a lower alkyl, --OCH.sub.3, --OC.sub.2 H.sub.5, --Cl, --Br, --NO.sub.2, --NHCOCH.sub.3 or an anilated heterocyclic ring; n is 1 to 3; R.sup.1, R.sup.2 and R.sup.3 each is an alkyl having 1 to 18 C atoms; and X is Cl or Br. Such arylide is prepared by reacting a corresponding trialkylamine with a corresponding 4-haloacetoacetarylide at a low temperature in the presence of an organic solvent.

Abstract: In the catalytic reaction of ammonia or formamide with CO and H.sub.2, exceptionally high yields of mono- and di-methyl formamide are obtained among the reaction products when the reaction is carried out in the presence of a platinum group catalyst soluble in the reaction medium, particularly a compound or complex of ruthenium or rhodium, employing a relatively non-volatile polar solvent which does not contain an active methyl function and which does not enter into the reaction producing formamide compounds. The pressure employed is in the range of 3000-8000 psi with a hydrogen partial pressure of at least 1500 psi, the preferred solvent being sulfolane.

Abstract: This invention is directed to thermally activated pelletted catalyst compositions comprising zirconium silicate having phosphorous deposited thereon and their use in the production of predominately linear polyethylenepolyamines from ethylenediamine and monoethanolamine.

Abstract: Process for the production of 4-(trialkylammonium)-acetoacetarylides having the formula: ##STR1## wherein: R is H, a lower alkyl, --OCH.sub.3, --OC.sub.2 H.sub.5, --Cl, --Br, --NO.sub.2, --NHCOCH.sub.3 or an anilated heterocyclic ring; n is 1 to 3; R.sup.1, R.sup.2 and R.sup.3 each is an alkyl having 1 to 18 C atoms; and X is Cl or Br. Such arylide is prepared by reacting a corresponding trialkylamine with a corresponding 4-haloacetoacetarylide at a low temperature in the presence of an organic solvent.

Abstract: A low temperature and pressure process for preparing rimantadine in high yields from 1-adamantyl methyl ketoxime is provided. The process comprises contacting a solution of the ketoxime with hydrogen in the presence of a platinum on carbon catalyst at a low temperature and pressure, e.g., room temperature and a pressure of about 25-115 psia (170-790 KPa) are preferred.

Abstract: Essentially linear polyethylenepolyamines are prepared by reacting monoethanolamine with ethylenediamine in the presence of an intercalatively catalytically active tetravalent zirconium polymeric reaction product of an organo phosphonic acid or an ester thereof with a compound of tetravalent zirconium reactive therewith, such as zirconium trimethylene diphosphonate prepared by reacting trimethylenediphosphonic acid wth zirconyl chloride.

Abstract: The invention relates to a method and apparatus for the manufacture of N,N'-bis-(aroyl)hydrazines from hydrazine and arylcarboxylic acid alkyl esters in the presence of catalysts. According to the invention, the reaction ingredients are reacted in a substantially stoichiometric mass ratio in an inert medium of low volatility which is liquid to wax-like under reaction conditions, in a suitable reactor equipped with a centrifugal disc and connected to a cycling, separating and draining-off system and a dispersion head to form a paste-like product. The paste-like compound can be used as a metal deactivator in polyolefin which is in direct contact with copper, for instance, in cable and wire insulation.

Abstract: The invention is related to a catalytic method for the production of N-substituted (meth)acrylamides and is more particularly related to a catalytic method for the production of N-substituted (meth)acrylamides from (meth)acrylates and amines in the presence of an alkoxide of silicon, titanium or zirconium.

Abstract: Disclosed is a process for preparing predominantly linear polyethylenepolyamines from the catalyzed reaction of (1) an ethyleneamine and an alkanolamine, (2) ethyleneamines or (3) an alkanolamine and ammonia. The catalyst employed is a silica-alumina catalyst. An acidic phosphorus cocatalyst may be used in conjunction with the silica-alumina catalyst.

Abstract: Secondary and tertiary amines are selectively prepared by a process comprising reacting an olefin, a nitrogen-containing compound and synthesis gas in the presence of a catalyst system comprising a ruthenium-containing compound mixed with a quaternary onium salt, optionally in the presence of a solvent, heating the resultant mixture to a temperature of at least 100.degree. C. and a pressure of at least 100 psi until there is substantial formation of the desired tertiary amine and separating the desired amine by a phase separation technique.

Abstract: This invention is directed to a regenerative process for preparing predominantly linear polyethylenepolyamines from ethylenediamine and monoethanolamine using a catalyst comprising a phosphorous compound deposited on a group IVb transition metal oxide support.

Abstract: A method for the reduction of nitrogen compounds containing an N--N or N.dbd.N bond, which are soluble in water or lower alcohols, particularly nitrosamines, hydrazines, nitramines, azo- and azoxy-compounds, to the corresponding amines; comprising contacting the nitrogen compounds with a hydroxide solution and a nickel-aluminum alloy in the absence of a hydrogen atmosphere, at room temperature and at atmospheric pressure, for a sufficient time to produce the corresponding amine in a single step.

Abstract: A new compound 2,6-diamino-1,4,5,8-tetranitronaphthalene is disclosed and a method of preparation thereof. The new compound is useful as a high energy, high density explosive.

Abstract: 5-Methyl-2-oxazolidinone and 5-methyl-3-(2-hydroxypropyl)-2-oxazolidinone are prepared by contacting urea and propylene carbonate in the presence of an initiator at a temperature from about 120.degree. C. to about 200.degree. C.