Abstract: Compounds of the formulaM(XR.sub.2)L.sub.nwhere M is a Group IIa metal, X is an azogen, R is a hydrocarbyl or silyl group, L is a neutral azogen-containing donor ligand, and n=l or 2 have good low temperature volatility and can be used as Group IIa metal MOCVD precursors.

Abstract: For use in transporting biologically active species into and through membrane barriers, a symmetrical cationic diamine compound having the general structure ##STR1## wherein m=1-10; R.sub.1 is a hydrogen, an alkyl group, an alkenyl group, a hydroxylated alkyl or alkenyl group, or an ether containing alkyl or alkenyl group; R.sub.2 is an alkyl group, an alkenyl group, or an alkyl or alkenyl containing acyl group; R.sub.3 is a hydrogen, an alkyl group, an alkenyl group, a hydroxylated alkyl or alkenyl group, or an ether containing alkyl or alkenyl group; R.sub.4 is a hydrogen, an alkyl group, an alkenyl group, a hydroxylated alkyl or alkenyl group, or an ether containing alkyl or alkenyl group; and X.sup.- is an anion.

Abstract: A process for preparing polyamines of the formula ##STR1## by selective introduction of the groups Z--CH.sub.2 -- at the terminal nitrogens from a polyamine having no nitrogen substituents by formation of bis-hexahydropyrimidine derivative, acylation, reduction of acyl group to give Z--CH.sub.2 --, and solvolysis.

Abstract: A polyamine and pharmaceutical composition containing an effective amount of the polyamine useful for administration to a human or non-human animal afflicted with neoplastic cells, the polyamine having the formula:R.sub.1 --NH--(CH.sub.2).sub.3 --NH--(CH.sub.2).sub.3 --NH--(CH.sub.2).sub.3 --NH--R.sub.2wherein R.sub.1 and R.sub.2 are both ethyl; or a salt thereof with a pharmaceutically acceptable acid, as well as a method of treatment comprising administering to such animals an effective amount of a polyamine of the above formula wherein R.sub.1 and R.sub.2 are each lower alkyl of 1-4 carbon atoms.

Abstract: A primer for the promotion of bonding of a first plastic substrate to a second plastic substrate, which plastic substrates may either be made of a plastics material which conventionally is difficult to bond or of a plastics material which conventionally is not difficult to bond, with an adhesive such as a cyanoacrylate, consists of a compound of the formula I: ##STR1## wherein --(CH.sub.2).sub.n -- is a straight or branched chain alkyl group of 1 to 6 carbon atoms inclusive; p, q, r and s are each independently 1 to 6 inclusive; and each R is independently --CH.sub.3 or --OH.

Abstract: The present invention discloses highly packed polycationic ammonium, sulfonium and phosphonium lipid compounds useful for making lipid aggregates for delivery of macromolecules and other compounds into cells. They are especially useful for the DNA-dependent transformation of cells. Methods for their preparation and use as intracellular delivery agents are also disclosed.

Abstract: A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Z--O--C(R.sup.1 R.sup.2 R.sup.3)wherein M is an alkali metal; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; and R.sup.1, R.sup.2, and R.sup.3 are independently selected from hydrogen, alkyl, substituted alkyl groups containing lower alkoxy, lower alkylthio, and lower dialkylamino groups, aryl or substituted aryl groups containing lower alkoxy, lower alkylthio, and lower dialkylamino groups, and their employment as initiators in the anionic polymerization of olefin containing monomers in an inert, hydrocarbon solvent comprising reacting an omega-protected-1-haloalkyl with lithium metal dispersion having a particle size between 10 and 300 millimicrons in size, at a temperature between 35.degree. and 130.degree. C. in an alkane solvent containing 5 to 10 carbon atoms.

Abstract: For use transporting biologically active species into and through membrane barriers, a symmetrical cationic diamine compound having the general structure ##STR1##

Abstract: A number of layered vanadium oxide crystalline compositions are prepared by simple hydrothermal reactions. Generally, the compositions comprise parallel layers of mixed valence vanadium oxides with guest cations intercalated between the layers. The guest cations may comprise metal coordination complexes with bidentate ligands, monomeric ammonium or diammonium cations, or mixtures of alkali metal cations with monomeric ammonium cation or diammonium cations.

Abstract: A process for the preparation of hydrocarbon solutions of monofunctional ether initiators of the following general structure:M--Q.sub.n --Z--OA(R.sup.1 R.sup.2 R.sup.3)wherein M is defined as an alkali metal, selected from the group consisting of lithium, sodium and potassium, Q is a saturated or unsaturated hydrocarbyl group derived by incorporation of a compound selected from the group consisting of conjugated diene hydrocarbons and alkenylsubstituted aromatic hydrocarbons; Z is a branched or straight chain hydrocarbon group which contains 3-25 carbon atoms, optionally containing aryl or substituted aryl groups; A is an element selected from carbon and silicon; R.sup.1, R.sup.2, and R.sup.

Abstract: The present invention discloses highly packed polycationic ammonium, sulfonium and phosphonium lipid compounds useful for making lipid aggregates for delivery of macromolecules and other compounds into cells. They are especially useful for the DNA-dependent transformation of cells. Methods for their preparation and use as intracellular delivery agents are also disclosed.

Abstract: The present invention relates to a method for the treatment of patients suffering from certain neoplastic disease states which comprises administering a therapeutically effective amount of a compound of the formula: ##STR1## wherein m is an integer 6 to 9, Z is a saturated (C.sub.2 -C.sub.6) alkylene moiety, each R group independently is hydrogen, methyl, ethyl, or n-propyl except that both R groups cannot be hydrogen when Z is a straight chain; or a pharmaceutically acceptable acid addition salt thereof. Said treatment can optionally comprise conjunctive therapy with a polyamine oxidase inhibitor. The invention also relates to certain novel polyamine derivatives.

Abstract: An improved process of synthesizing gasoline soluble polyolefinic amines or polyether amines comprising the steps of reacting polyolefinic halides or polyether halides with polyamines in a specific sequence of reactions; distilling off non-reactive polyamine; neutralizing the reaction mixture; recovering polyamine(s) and water; and separating polyolefinic amines from the solids with simple filtration or centrifuge or decanting.

Abstract: The invention relates to a disinfectant concentrate which contains amine and alcohol wherein the alcohol component includes at least one glycol ether of limited miscibility with water and the amine component includes at least one secondary and/or tertiary alkyl amine free from hydroxyl groups. It also relates to a disinfectant producabile from the disinfectant concentrate, the use of the disinfectant concentrate and of the disinfectant as bactericide, in particular mycobactericide, fungicide or virucide.

Abstract: A process of reforming an alkyleneamine feedstock or a mixture of such feedstocks to an alkyleneamine or a mixture of alkyleneamines which is different from the feedstock or feedstock mixture. The process is catalyzed by one of the following: Group VB metal oxides, Group VB metal phosphates, Group IIA metal silicates, and tungsten oxides. For example, ethylenediamine is contacted with a catalyst of niobic acid or magnesium silicate to yield predominantly diethylenetriamine and non-cyclic triethylenetetramines; whereas high molecular weight polyethylenepolyamines are cracked by the same catalysts to mixtures of lower molecular weight linear and cyclic materials.

Abstract: For use in transporting biologically active species into and through membrane barriers, a symmetrical cationic diamine compound having the general structure ##STR1##

Abstract: A process for the preparation of peralkylated amines of the general formula I ##STR1## in which R.sup.1, R.sup.2 denote C.sub.1 -C.sub.200 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.20 alkylcycloalkyl, C.sub.4 -C.sub.20 cycloalkylalkyl, C.sub.2 -C.sub.20 alkoxyalkyl, aryl, C.sub.7 -C.sub.20 alkylaryl, C.sub.7 -C.sub.20 aralkyl, C.sub.2 -C.sub.8 hydroxyalkyl, C.sub.2 -C.sub.8 mercaptoalkyl, C.sub.8 -C.sub.20 phenoxyalkyl, C.sub.2 -C.sub.8 aminoalkyl, C.sub.2 -C.sub.8 (NHR.sup.4)alkyl, C.sub.2 -C.sub.8 (NR.sup.4 R.sup.5)alkyl or together form a saturated or unsaturated C.sub.2 -C.sub.6 alkylene chain optionally mono- to tri-substituted by C.sub.1 -C.sub.4 alkyl and optionally interrupted by oxygen or nitrogenX denotes a C.sub.2 -C.sub.20 alkylene or C.sub.2 -C.sub.20 alkenylene or C.sub.4 -C.sub.8 cycloalkylene chain optionally mono- to penta-substituted by R.sup.3, C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 dialkylamino, phenoxy, diphenylamino and/or C.sub.2 -C.sub.

Abstract: The present invention relates to pyridazine derivatives of formula: ##STR1## which are useful as ligands of cholinergic receptors, in particular, receptors of the M.sub.1 type.

Abstract: The demands on the properties of pigments, in particular in the areas of emulsion paints and printing inks, which are continuously becoming more specific made it necessary to develop selective and environmentally safe dispersing and emulsifying agents and coupling auxiliaries.The compounds according to the invention are alkoxylation products prepared from fatty amine dialkylenediamines which, if desired, are linked to give recurring structural units by means of esterification with dicarboxylic acids and in which, preferably, the hydroxyl end groups of these fatty amine alkylenediamine alkoxylates have been esterified with fatty acids, aromatic carboxylic acids and/or resin acids and any hydroxyl groups still present have been converted to the corresponding mono-ester-containing anionic radicals by means of dicarboxylic acids and sulfites.

Abstract: New synthesis and analysis procedures for novel crosslinked polyamines and ampholytes. Polyamines are crosslinked with tartaric acid ester, malonic acid ester, or polycarboxylic acid esters of the citric acid cycle. The resulting crosslinked polyamine may further react with other compounds such as an .alpha.,.beta.-unsaturated or .alpha.-halo unsaturated carboxylic acids to prepare new ampholyte mixtures. The resulting novel ampholytes exhibit greater heterogeneity and complexity than presently prepared ampholytes, and can be used in analytical and preparative isoelectric focusing processes.Novel ampholyte analysis process entails analyzing chemical compounds, usually ampholytes, used in isoelectric focusing processes. The ampholyte is isoelectrically focused on an immobilized pH gradient, and then immersed in a picric acid solution to cause precipitation and visualization of amphoteric species.

Abstract: A process of reforming an alkyleneamine feedstock or a mixture of such feedstocks to an alkyleneamine or a mixture of alkyleneamines which is different from the feedstock or feedstock mixture. The process is catalyzed by one of the following: Group VB metal oxides, Group VB metal phosphates, Group IIA metal silicates, and tungsten oxides. For example, ethylenediamine is contacted with a catalyst of niobic acid or magnesium silicate to yield predominantly diethylenetriamine and non-cyclic triethylenetetramines; whereas high molecular weight polyethylenepolyamines are cracked by the same catalysts to mixtures of lower molecular weight linear and cyclic materials.

Abstract: The present invention relates to a method of reacting polyamides or mixtures thereof with ammonia to obtain a mixture of monomers. The reaction is carried out in the presence of certain Lewis Acid catalyst precursors.

Abstract: Briefly stated, the present invention comprises novel compounds useful as two-cycle oil additives obtained by reacting an alkyl acrylamide with a compound selected from the group consisting of polyalkylenepolyamines, polyalkylenepolyamines functionalized with polyalkyl acid anhydrides and polyalkylenepolyamines and a polyalkyl acid anhydride.

Abstract: The present invention relates to a process for the reduction of the color of polyamines by reacting at elevated temperature, e.g. 120.degree.-170.degree. C., and pressure, e.g. 500 to 6000 psig. the colored polyamines, e.g. triethylenetetramine and tetraethylenepentamine, in the presence of a ruthenium on alumina hydrogenation catalyst. The catalyst for the polyamine decolorization process preferably has at least 0.5 wt. % Ru. In the process of the present invention, the polyamines can either be distilled into a narrow product composition and then hydrogenareal, or a crude polyamine product can be hydrogenated and then distilled to produce the desired product composition.

Abstract: The present invention relates to a process for the reduction of the color of polyamines by reacting at elevated temperature, e.g. 120.degree.-170.degree. C., and pressure, e.g. 500 to 6000 psig. the colored polyamines, e.g. triethylenetetramine and tetraethylenepentamine, in the presence of a cobalt on alumina hydrogenation catalyst promoted with copper and chromium. In the process of the present invention, the polyamines can either be distilled into a narrow product composition and then hydrogenated, or a crude polyamine product can be hydrogenated and then distilled to produce the desired product composition.

Abstract: Fuels for internal combustion engines or lubricants contain small amounts of compounds of the formulae Ia and/or Ib ##STR1## where R is an aliphatic hydrocarbon radical having a number average molecular weight of from 250 to 5,000 and X is ##STR2## where the radicals R.sup.1 may be identical or different and are each hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.1 -C.sub.8 -hydroxyalkyl or C.sub.1 -C.sub.8 -aminoalkyl, or where the two radicals R.sup.1 may form a nonaromatic ring.

Abstract: Methods are provided whereby an N-C-N compound is regenerated from a product of a sulfur scavenging reaction, in which said N-C-N compound removes a sulfur atom from a sulfur compound, to form the original N-C-N compound. The N-C-N compound is represented by the formula (I): ##STR1## The product includes a hetero compound having sulfur, carbon and nitrogen atoms in its backbone. In one embodiment, the product is mixed with (1) a nitrogen compound represented by the formula (II): ##STR2## and (2) an alkaline compound selected from alkali metal, alkaline earth metal and transition metal compounds, to form a solution, slurry or dispersion. The hetero compound is reacted with the nitrogen compound in the presence of the alkaline compound, such that a sulfur atom of the hetero compound is replaced by a nitrogen atom of the nitrogen compound. If necessary, the pH of the solution may be adjusted to about 8 to about 13 to facilitate the reaction. In alternative embodiments, the product also includes an amine complex.

Abstract: The present invention realates to anti-neoplastic and anti-psoriasis pharmaceutical bis-hexahydropyrimidinylalkyl compounds, compositions and methods of treatment and to insecticidal compositions and methods of controlling the growth of insects.

Abstract: Color-containing alkanolamines or alkyleneamines, having color numbers of up to 100 PtCo or higher, can be treated with inorganic solid acidic catalysts. Inorganic support materials having bonded inorganic acid functionalities may be used as the inorganic solid acidic catalysts. In the presence of water, these inorganic solid acidic catalysts produce decolorized alkanolamines or alkyleneamines having color numbers of 20 PtCo or less. The process of decolorization can be carried out in batch or continuous mode processes thus providing low cost, high quality and high purity end products.

Abstract: Useful monomeric products are obtained in the reaction of nylon 6,6 with ammonia. Increased yield of monomer products from nylon 6,6 is obtained from ammonolysis when a mixture with nylon 6 is employed.

Abstract: The methylated tertiary amines are selectively prepared by reacting a primary or secondary amine, or a nitrile or aminonitrile, including an aminoalcohol, etheramine, a polyamine or fatty polyamine or amidoamine, or amidopolyamine or dinitrile, with hexamethylenetetramine ("HMTA"), under hydrogen pressure at a temperature no greater than about 160.degree. C. and in the presence of a catalytically effective amount of a hydrogenation catalyst, e.g., nickel deposited onto appropriate support substrate therefor.

Abstract: Preparation of .alpha.,.omega.-aminoalcohols of the general formula IHO--CH.sub.2 --X--CH.sub.2 --NH.sub.2 (I),in which x denotes a C.sub.1 -C.sub.20 -alkylene chain optionally substituted by inert radicals and/or optionally interrupted by oxygen or nitrogen,by the reaction of .alpha.,.omega.-alkanediols of the general formula IIHO--CH.sub.2 --X--CH.sub.2 --OH (II),in which the connecting member x has the meanings stated above, with ammonia and a catalyst at a temperature ranging from 150.degree. to 300.degree. C. and under a pressure of from 50 to 300 bar, wherein the catalyst used is one whose catalytically active material consists of iron to an extent of from 5 to 100% w/w.

Abstract: Polyamines containing primary amino groups are made by hydrolyzing an isocyanate with water in the presence of a solvent which is a carboxylic acid amide. The solvent must be used in a quantity of at least 10% by weight solvent based on 100% by weight of isocyanate. The weight ratio of solvent to water must be from 3 to 200. A homogeneous phase is maintained during the hydrolysis which is carried out at temperatures of from 20.degree. to 210.degree. C. A not incorporable basic and/or metal catalyst particularly alkali metal hydroxides may be employed. The polyamines produced by this process are particularly useful for the production of polyurethanes.

Abstract: The subject of the present invention is compounds which correspond to the following general formula: ##STR1## in which R.sub.1 and R.sub.3 independently of one another represent H, an alkyl, alkenyl, cycloalkyl, aryl, arylalkyl or an alkylaryl group, a heterocycle, or groups which are unsubstituted or substituted, in particular by one or more hydroxyl or alkoxy groups or halogen;n represents an integer from 1 to 5;i in each case takes values from 1 to n for the n successive ##STR2## links; R.sub.2, R.sub.4.sup.i and R.sub.5.sup.i independently of one another represent H, an alkyl, alkenyl, aryl, alkoxy, hydroxyalkyl, alkoxyalkyl, amido, acyl or carboxyalkyl group, or a salt, or an alkyl ester of the latter; or R.sub.4.sup.i and R.sub.5.sup.i together form an oxo group ##STR3## R.sub.6 and R.sub.7 represent H, or R.sub.6 and R.sub.7 together form an oxo group ##STR4## x represents a 5- or 6-membered heterocycle which contains at least one nitrogen atom, or, in the event that ##STR5## where R.sub.8 and R.sub.

Abstract: Organic-solvent soluble magnesium hydrides or formulas ##STR1## are prepared by catalytically hydrogenating finely powdered magnesium, optionally in the presence of a magnesium halide, in an organic solvent in the presence of their MgH.sub.2 -free counterparts in whichQ is an alkyl, alkenyl, alkoxy, dialkylamino, aralkyl, aryl or diarylamino group, each with up to 18 carbon atoms,R is an alkenyl, aralkyl or aryl group, each with up to 18 carbon atoms,X is chlorine, bromine, or iodine, ##STR2## is a chelating ligand, E is --CH.sub.2, --N(R)-- or --O--,is an alkylene radical of the formula --(CH.sub.2).sub.p,D is a dialkylamino, diarylamino or alkoxy group, each with up to 18 carbon atoms,M is aluminum or boron,m is 1, 2, or 3, and1<n.ltoreq.50.

Abstract: A process is disclosed for simultaneously depolymerizing nylon 6 and nylon 6,6 and reclaiming the monomer values by steam distillation.

Abstract: Disclosed herein is an adhesive and a process for bonding with the adhesive containing an isocyanate prepolymer a), an isocyanate reactive component b) and a catalyst for the reaction of a) and b), characterized in that the catalyst comprises a compound corresponding to the following formula ##STR1## wherein R.sup.1 and R.sup.2 may be identical of different and denote an alkyl group having 1 to 4 carbon atoms,R.sup.3 denotes a CHO group or H or alkyl group having 1 to 4 carbon atoms, optionally substituted with a CHO group,n stands for an integer from 2 to 4,o stands for 1 or 2,p stands for 0 or 1 ando+p=2.

Abstract: A process for producing an ethylenamine, which comprises reacting ammonia and/or an ethylenamine with an ethanolamine in the presence of hydrogen to obtain an ethylenamine having an increased number of ethylene chains over the ammonia and/or the ethyelenamine used as the starting material, wherein a catalyst comprising Ni and M elements wherein M is at least one rare earth element selected from the group consisting of scandium, yttrium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium, is used for the reaction.

Abstract: The invention relates to an alkanolamine composition for the removal of acid gas impurities comprising CO2, H2S, COS, or mixtures thereof, from a gaseous or liquefied gas stream containing said acid gases, and to a process of using the alkanolamine composition. The process involves contacting the gas stream with the alkanolamine composition, or an aqueous solution thereof, comprising a mixture of methyldiethanolamine (MDEA) and methylmonoethanolamine (MMEA) in an amount sufficient to generate in situ at least 5% by weight of N,N'-bis(dimethyl)-N-hydroxyethyl-ethylenediamine (DMHEED), in a contact zone, regenerating said amine composition in a regeneration zone, and recycling said regenerated amine composition to said contact zone. The invention also resides in an aqueous solution comprising from about 20% to about 70% by weight of DMHEED. The invention further resides in the addition of DMHEED in an amount of from about 5% to about 30% by weight to compositions or solutions containing other alkanolamines.

Abstract: This invention relates to a process for making amines having a high yield weight percent of diethylenetriamine (DETA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a metallic phosphate having a cyclic structure or an acyclic structure which is transformed into a cyclic structure during the process, a metallic polyphosphate having a condensed structure, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in DETA.

Abstract: A process for decolorizing polyalkylene polyamines, which comprises contacting one or more polyalkylene polyamines having an average molecular weight of greater than about 200 and less than about 1000 with carbon at a temperature greater than or equal to about 100.degree. C. and less than or equal to about 300.degree. C. under conditions effective to reduce the color rating of the one or more polyalkylene polyamines.

Abstract: A continuous method of preparing N-monoalkyl alkylenediamines, uncontaminated by the N,N'-dialkyl alkylenediamine, is based on the observation that the disubstituted material selectively precipitates from aqueous media. A scheme is presented where an aqueous alkylenediamine is reacted with a suitable carbonyl component and hydrogen over a supported platinum catalyst. Where the alkylenediamine forms an azeotrope with water it can be conveniently recycled to the reactor.

Abstract: Metal organic chemical vapor deposition (MOCVD) formation of copper oxide superconductor materials. Various source reagents of Group II elements suitable for high temperature superconductor (HTSC) material formation are described, including beta-diketonates, cyclopentadienyls, alkyls, perfluoroalkyls, alkoxides, perfluoroalkoxides, and Schiff bases, as well as complexes of such Group II compounds, utilizing monodentate or multidentate ligands to provide additional coordination to the Group IIA atom, so that the resulting complex is of enhanced volatility characteristics, and enhanced suitability for MOCVD applications. Also disclosed are methods of synthesizing such compounds and complexes, including a method of making Group II metal beta-diketonate compounds having enhanced thermal stability characteristics. Further disclosed are a vertical inverted reactor for chemical vapor deposition, and various methods of processing applied metal oxide films for enhanced HTSC character.

Abstract: This invention relates to a process for making amines by condensing an amino compound in the presence of a Group VIB metal-containing condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in triethylenetetramine (TETA), tetraethylenepentamine (TEPA) and pentaethylenehexamine (PEHA).

Abstract: This invention relates to a process for making amines having a high yield weight percent of linear triethylenetetramine (L-TETA) and aminoethylethanolamine (AEEA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in L-TETA and AEEA.

Abstract: This invention relates to a process for making amines having a high yield weight percent of linear pentaethylenehexamine (L-PEHA) and hydroxyethyldiethylenetriamine (HEDETA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in L-PEHA and HEDETA.

Abstract: This invention relates to a process for making amines having a high yield weight percent of pentaethylenehexamine (PEHA) and hydroxyethyltriethylenetetramine (HETETA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in PEHA and HETETA.

Abstract: The catalytic pyrolysis of bis(hexamethylene)-triamine in a slurry or fixed bed reaction yields hexamethyleneimine, hexamethylenediamine and N-(6-aminohexyl)hexamethyleneimine.

Abstract: A process for preparing aminoethers, particularly bis[2-(N,N-dialkylamino)alkyl]ethers, which comprises contacting a carboxylated aminoether with a metal oxide catalyst under conditions effective to produce the aminoether. Many of these aminoethers are useful as catalysts in the production of polyurethanes, especially cellular polyurethanes.

Abstract: This invention relates to a process for making amines having a high yield weight percent of linear tetraethylenepentamine (L-TEPA) and hydroxyethyldiethylenetriamine (HEDETA) by condensing an amino compound in the presence of a condensation catalyst selected from a Group IVB metal oxide, a Group VIB metal-containing substance and a promoted condensation catalyst. This invention also relates to an alkyleneamines producers composition rich in L-TEPA and HEDETA.