Abstract: 2,2-Difluoro HETE derivatives and methods of their use for treating dry eye are disclosed.

Abstract: The invention relates to a process for preparing a &bgr;-hydroxyalkylamide, in which alkyl esters are reacted with &bgr;-aminoalcohols in the absence of solvents and in the presence of basic catalysts, where, to improve the selectivity, the ratio of equivalents of ester to equivalents of amine is 1:1.001 to 8.

Abstract: The invention relates to a method for preparing n-aryl-n-hydroxamides, whereby arylhydroxamines are reacted with ketones to n-aryl-n-hydroxamides, without using acyloxindoles-generating solvents.

Abstract: A carboxylic composition comprising hydrocarbon substituted carboxylic acylating agents prepared by reacting a polyolefin and a terpolymer, simultaneously or individually in any order, with at least one carboxylic reactant selected from the group consisting of compounds of the formula R3C(O)(R4)nC(O)OR5 (IV) wherein each of R3 and R5 is independently H or a hydrocarbyl group, R4 is a divalent hydrocarbylene group, and n is 0 or 1, and reactive sources thereof, derivatives of the foregoing carboxylic compositions, with one or more of (1) an amine characterized by the presence within its structure of at least one HN<group; (2) an alcohol; (3) a reactive metal or a reactive metal compound; and (4) a mixture of two or more of (1) through (3); the components of (4) being reacted with the mixture of carboxylic acylating agents simultaneously or sequentially, in any order, and additive concentrates and lubricating oil and fuel compositions containing these compositions.

Abstract: The invention provides a process for the recovery of purified lactic acid values from an aqueous feed solution containing lactic acid, lactic acid salt, or mixtures thereof, comprising: bringing the feed solution into contact with a substantially immiscible anion exchanger to form a substantially water-immiscible phase comprising an anion exchanger-lactic acid adduct; effecting a condensation reaction in the substantially water-immiscible phase between a carboxylic moiety of the lactic acid adduct and a moiety selected from a hydroxyl moiety and a primary or secondary amine moiety to respectively form a lactic acid ester or amine product; and separating the formed lactic acid product from the anion exchanger.

Abstract: A process for reacting certain carboxylic reactants with olefinic compounds then reacting the intermediate prepared thereby with ammonia, a hydrazine or an amine, and/or a reactive metal or reactive metal compound, products prepared thereby and, additive concentrates and lubricating oil and fuel compositions.

Abstract: A process for preparing lactamide with a high conversion and a high selectivity without the deterioration of a catalytic activity in a short time, which comprises subjecting lactonitrile to a hydrating reaction in the presence of (A) a catalyst including an oxide of manganese as a main component, (B) an oxidizing agent and (C) hydrogen cyanide or hydrogen cyanide and a compound represented by the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each a hydrogen atom, a C.sub.1 to C.sub.8 alkyl group, a C.sub.1 to C.sub.8 hyroxyalkyl group, a C.sub.1 to C.sub.8 aminoalkyl group or a C.sub.1 to C.sub.8 halogenoalkyl group.

Abstract: The present invention relates to compounds corresponding to the formula: ##STR1## the compounds being in the form of mixtures of isomers at least on the amino alcohol part of the said formula (I). The invention also relates to a process for their preparation and their use, in particular for the treatment and care of the skin, the hair, the nails and the eyelashes in cosmetics or in dermatology.

Abstract: A process for the preparation of ceramide-type compounds by reacting, an amino alcohol with a carboxylic acid of defined structures, where the reaction is conducted with irradiation with microwaves and at a temperature of less than or equal to 180.degree. C.

Abstract: An optically active (2S,3R)-2-(3'-hydroxyacyl)aminoalkane-1,3-diol and a process for producing the same are disclosed. The compound is represented by the following general formula (1): ##STR1## wherein R.sup.1 represents a linear or branched, saturated aliphatic hydrocarbon group having 9 to 19 carbon atoms; R.sup.2 represents a linear or branched, saturated aliphatic hydrocarbon group having 1 to 19 carbon atoms; and symbol * means that the carbon atom is an asymmetric carbon atom of the S or R configuration. The optically active compound is a ceramide in which the fatty acid moiety has an optically active hydroxyl group in the 3-position.

Abstract: Combinatorial chemical libraries of the Formula [S]-C(O)-L'-Z containing dihyroxy amides and hydroxyphosphonate amides are disclosed, in which [S] represents a solid support and -L'-Z is a linker/ligand residue. In these libraries, Z is ##STR1## and Y is --P(O)(OR.sup.6)(OR.sup.7), --CH(OH)--COR.sup.8, --CH.sub.2 CH.dbd.CH.sub.2 --CH.sub.2 CH(OH)CH.sub.2 OH, --CH.sub.2 CHO, --CH.sub.2 CH.sub.2 OH, --CH.sub.2 CH.sub.2 OC(O)NHR.sup.26, --CH.sub.2 CH.sub.2 NR.sup.27 R.sup.28, or ##STR2## The combinatorial libraries are optionally encoded with tags. The use of these libraries in assays to discover biologically active compounds is also disclosed.

Abstract: This invention concerns a novel organic sulfide compound obtained by the reaction of a mercapto alkanol such as 2-mercapto ethanol with an unsaturated amide such as (meth)acrylamide, maleic acid diamide, or fumaric acid diamide and a method for the production of the organic sulfide compound. The invention enables novel organic sulfide compounds of great commercial utility to be obtained with a high yield on a commercial scale.

Abstract: Novel sulfhydryl group-containing amides and disulfide group-containing bis-amides useful for treating or preventing an abnormal biological condition or a disease, and/or improving the texture or appearance of the skin, as well as compositions containing amides and bis-amides and methods for their use are described. Such types of abnormal biological conditions or diseases include skin atrophy, i.e., the thinning and/or general degradation of the dermis often characterized by a decrease in collagen and/or elastin as well as decreased number, size and doubling potential of fibroblast cells, and other maladies including, but are not limited to dry skin, severe dry skin, dandruff, acne, keratoses, psoriasis, eczema, skin flakiness, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, hyperkeratotic skin, inflammatory dermatoses, age-related skin changes and skin in need of cleansers.

Abstract: Novel nonionic gemini surfactants are extremely effective emulsifiers for oil-in-water emulsions that provide improved detergency at even low concentration levels. The surfactants are characterized by the formula: ##STR1## wherein R.sub.1 is independently H or a C.sub.1 to C.sub.22 alkyl, R.sub.2 is C.sub.6 to C.sub.22 alkyl and R.sub.3 is D.sub.1 --R.sub.4 --D.sub.1 or R.sub.4 --D.sub.1 --R.sub.4 wherein R.sub.4 is independently a C.sub.1 -C.sub.10 alkyl group, --O--R.sub.5 --O--, or aryl, e.g. phenyl, and D.sub.1 is independently --O--, an amide group ?--C(O)N(R.sub.6)--!, an amino group ?--N(R.sub.6)--!, --O--R.sub.5 --O--, or aryl. (EO).sub.a (PO).sub.b is a polyether group and Z is a C.sub.1 -C.sub.4 alkyl, or an alkylaryl or hydrogen wherein EO represents ethyleneoxy radicals, PO represents propyleneoxy radicals, a and b are numbers of from 0 to 100, a is preferably from about 0 to about 30 and b is preferably from about 0 to 10, wherein a plus b is at least one, and the EO and PO alkyl or alkylaryl.

Abstract: The disclosure describes new compositions of matter useful for the preparation of optically-active vicinal aminoalcohols. The compositions are chiral .beta.-hydroxycarboxamides, .beta.-hydroxyhydraxides, and .beta.-hydroxyhydroxamic acids.

Abstract: The present invention is directed to a compound of the following formula: ##STR1## pharmaceutical compositions containing the same and the use thereof as an anticonvulsant.

Abstract: The present invention relates to compounds corresponding to the formula: ##STR1## the compounds being in the form of mixtures of isomers at least on the amino alcohol part of the said formula (I). The invention also relates to a process for their preparation and their use, in particular for the treatment and care of the skin, the hair, the nails and the eyelashes in cosmetics or in dermatology.

Abstract: This invention provides alkoxy acetic acid derivatives of general formula I: ##STR1## wherein R is the residue of an amine, an aminoalcohol or a polyol linked to the or each --CHR'--CO-- moiety via an amide or ester linkage;R' is hydrogen or a C.sub.1-4 alkyl group;R.sup.1 is an optionally substituted hydrocarbyl group of 1 to 300 carbon atoms;one of R.sup.2 and R.sup.3 is independently selected from hydrogen and optionally substituted hydrocarbyl of 1 to 10 carbon atoms, the other of R.sup.2 and R.sup.3 being independently selected from optionally substituted hydrocarbyl of 1 to 10 carbon atoms;m is from 3 to 200;n is from 0 to 20, provided that m/n is at least 1; andp is from 1 to 5; a process for their preparation; and their incorporation in additive concentrates and fuel compositions for internal combustion engines.

Abstract: A process for reacting certain carboxylic reactants and at least one aldehyde or ketone with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared thereby and, additive concentrates, lubricating oil and fuel compositions.

Abstract: This invention relates to a method for the stereoselective synthesis of a 2-aryloxycarboxylic acid using a chiral auxiliary to enhance the stereoselectivity of the alkylation of the .alpha.-halo acid with an aryloxy group.

Abstract: New fluorinated derivatives useful as surfactants or in the transport of drug or markers, or in drug targeting, and preparations containing the derivatives, for medical, cosmetic and veterinary uses, having the formula: ##STR1## wherein R.sub.F is a fluorinated radical, X is a linear or branched alkylene, R.sup.1 is H or CH.sub.3, R.sup.2 is a radical having at least one OH group, R.sup.3 is a radical derived from an amino acid or a peptide, 1.ltoreq.n.ltoreq.50 and 0.ltoreq.m.ltoreq.200 with 0.2.ltoreq.n/n+m.ltoreq.1.These derivatives can be used as prodrugs or in formulating pharmaceutical, cosmetic and veterinary preparations, in biology and medicine, notably in compositions acting as carriers of oxygen and other gases, of contrast agents, or as carriers of substances used in therapy, or as carriers of markers.

Abstract: There is provided novel biphenylamido derivatives of the formula ##STR1## wherein Z is ##STR2## and Y is H or Z is H and Y is ##STR3## n is 0 or 1; R is C.sub.1-6 alkyl;R.sup.1 is C.sub.1-3 alkyl, C.sub.3-6 cycloalkyl, C.sub.1-4 alkoxymethyl, or NHR.sup.2 ; andR.sup.2 is C.sub.1-3 alkyl or cyclopropylwhich are melatonergic agents and are useful in the treatment of circadian rhythm-related disorders and other conditions affected by melatonin activity.

Abstract: A process for reacting certain carboxylic reactants and at least one aldehyde or ketone with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared thereby and, additive concentrates, lubricating oil and fuel compositions.

Abstract: This invention is related to glucoxide derivatives for enzyme modification of the following general formula (1), to provide a lipid-coated enzyme showing high activity in organic solvents; antifouling paint compositions containing a lipid-coated enzyme being stable in organic solvents by coating with a C.sub.6 to C.sub.30 lipid, and a paint resin, to be capable of forming paint films having good antifouling activity and durability and allowing an enzyme to retain good stability in the paint and in paint films; and self-polishing antifouling paint compositions containing an enzyme-susceptible resin and a lipid-coated enzyme capable of catalyzing the degradation of said resin and being stable in organic solvents by coating with a C.sub.6 to C.sub.30 lipid, to retain the antifouling effect for a prolonged period of time without adversely affecting the environment.

Abstract: Novel substituted fluorene compunds of Formula I are active as melatonergic agents: ##STR1## wherein: X=H, halogen, OH or OZ;Z=C.sub.1-6 alkyl; --(CH.sub.2).sub.m --CF.sub.3 (m=0-2); CD.sub.3 ; or ##STR2## n=1 or 2; and R=C.sub.1-6 alkyl, C.sub.3-6 cycloalkyl, C.sub.2-4 alkenyl, halogen substituted C.sub.1-6 alkyl, or C.sub.1-6 alkoxy substituted C.sub.1-6 alkyl.

Abstract: A hydroxylamine derivatives of formula (I): ##STR1## wherein R represents ##STR2## in which R.sup.1 and R.sup.2 represents alkyl group, alkenyl group, alkynyl group, cycloalkyl group, haloalkyl group, haloalkynyl group, alkoxy - alkyl group, phenoxy - alkyl group, alkylthio - alkyl group, alkylsulfonyl - alkyl group, alkylamino - alkyl group, phenyl group, benzyl group, phenethyl group, cinnamyl group, pyridyl group, furyl group, thienyl group, X represents CO.sub.2, CO or SO.sub.2, and R.sup.3, R.sup.4, R.sup.5 and R.sup.6 represent a hydrogen atom or a lower alkyl group, and n represents 0 or 1, and fungicides contain said compound as an active ingredient.The compounds of the present invention have excellent effects for controlling wood-rot fungi, plant diseases and fungi of humans and animals, and are useful as industrial, agricultural and medical fungicides.

Abstract: There is disclosed a process for the preparation of an indanylamine compound of general formula ##STR1## wherein R.sup.1 represents an optionally substituted alkyl group, and R.sup.2, R.sup.3 and R.sup.4 independently represent a hydrogen atom or an optionally substituted alkyl group, the process including the steps of hydrogenating a compound of general formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as described above and R.sup.5 and R.sup.6 independently represent a halogen atom, a hydroxyl, nitro or cyano group, or an optionally substituted alkyl, alkoxy, alkoxycarbonyl, alkylcarboxy or alkylamino group provided that R.sup.5 and R.sup.6 represent different atoms or groups, and subsequent rearrangement and derivatisation of the product thereof. Compounds of general formula I may be used to prepare preferred stereoisomers of fungicidal N-indanyl carboxamide compounds.

Abstract: Compositions comprising hydroxyl group containing acylated nitrogen compounds, a process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared thereby and lubricating oil and fuel compositions.

Abstract: A process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby with ammonia, a hydrazine or an amine, products prepared thereby and, additive concentrates, lubricating oil and fuel compositions.

Abstract: Novel sulfhydryl group-containing amides and disulfide group-containing bis-amides useful for treating or preventing an abnormal biological condition or a disease, and/or improving the texture or appearance of the skin, as well as compositions containing amides and bis-amides and methods for their use are described. Such types of abnormal biological conditions or diseases include skin atrophy, i.e., the thinning and/or general degradation of the dermis often characterized by a decrease in collagen and/or elastin as well as decreased number, size and doubling potential of fibroblast cells, and other maladies including, but are not limited to dry skin, severe dry skin, dandruff, acne, keratoses, psoriasis, eczema, skin flakiness, pruritus, age spots, lentigines, melasmas, wrinkles, warts, blemished skin, hyperpigmented skin, hyperkeratotic skin, inflammatory dermatoses, age-related skin changes and skin in need of cleansers.

Abstract: Novel derivatives of fatty acid analogs that have from one to three heteroatoms in the fatty acid moiety which can be oxygen, sulfur or nitrogen, are disclosed in which the carboxy-terminus has been modified to form various amides, esters, ketones, alcohols, alcohol esters and nitriles thereof.These compounds are useful as substrates for N-myristoyltransferase (NMT) and/or its acyl coenzyme, and as anti-viral and anti-fungal agents or pro-drugs of such agents. Illustrative of the disclosed compounds are fatty acid amino acid analogs of the structure ##STR1## in which X is the ethyl or t-butyl ester of an amino acid such as Gly, L-Ala, L-Ile, L-Phe, L-Trp, L-Thr or an amide such as NHCH.sub.2 C.sub.6 H.sub.5 or NH(CH.sub.2).sub.2 C.sub.6 H.sub.5.

Abstract: A class of pseudoceramide having the formula shown in which: R1 is a hydrocarbon group; R2-R8 are each independently H or CH.sub.3 ; R9 and R10 are each independently H or hydrocarbon group of up to 24 C atoms; X1 and X2, are independently H or OH; Y1 and Y2 are H or OH, at least one of Y1 and Y2 being OH; wherein the C atom Z, with associated R9 and R10, can be absent; and the C atoms W, with associated R7 and Y2, can be absent, is disclosed. These find use in compositions, particularly cosmetic compositions, suitable for topical application to skin, hair or nails.

Abstract: The present invention relates, by way of novel industrial products, to compounds which are structurally related to 15-deoxyspergualin and which have the formula ##STR1## in which: A is a single bond, a group --CH.sub.2 --, a group --CH.sub.2 O--, a group --CH.sub.2 NH--, a group --CH(OH)--, a group --CHF-- or a group --CH(OCH.sub.3)--, andn is equal to 6 or 8,and their addition salts.These novel compounds are useful especially as immunosuppressants. The invention further relates to the method of preparing said compounds.

Abstract: The present invention relates to a new class of carbohydrate based nonionic surfactant, i.e., alkyl and alkenyl glycasuccinimide, and a process for their manufacture.

Abstract: The present invention relates to a process for the preparation of hydroxycarboxanilides of the formula (1) ##STR1## in which R.sup.1 and R.sup.2 are identical or different and are hydrogen, halogen, a nitro group, a cyano group, a straight-chain or branched alkyl, alkenyl, alkynyl or alkoxy group having 1 to 12 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, a cycloalkyl group having 6 to 12 carbon atoms or an aryl group having 6 to 12 carbon atoms, R.sup.3 is hydrogen or a straight-chain or branched alkyl group having 1 to 12 carbon atoms and n is an integer from 1 to 12, by reacting a halocarboxanilide of the formula (2) ##STR2## in which R.sup.1, R.sup.2, R.sup.3 and n have the same meaning as in formula (1) and Hal is chlorine, bromine or iodine, with a basic compound in a solvent mixture comprising water and one or more polar aprotic solvents at a temperature of 40.degree. to 180.degree. C.

Abstract: A process for the preparation of glycoloylanilide of the formula (G) ##STR1## is recited that involves reacting a nitrobenzene with hydrogen and, if desired, with a carbonyl compound, in the presence of a noble metal catalyst and a solvent, reacting the compound produced with chloroacetyl chloride, reacting the resulting product with a benzyl alcohol and with a base, or reacting the resulting compound with an O-benzylglycoloyl chloride, and debenzylating the resulting benzylglycoloylanilide product by reacting with hydrogen in the presence of a noble metal catalyst. The invention also relates to a process for the preparation of O-benzylglycoloylanilide.

Abstract: The invention relates to catalysts for the synthesis of .beta.-hydroxy carbonyl compounds, and in particular to enantioselective catalysts.

Abstract: Certain N-acetonyl-substituted-amides of the formula: ##STR1## wherein A is a heterocycle, a phenylalkyl, a phenylalkoxy, naphthyl, cycloalkyl, alkoxyalkyl, alkyl, haloalkyl or alkenyl group; X, Y and Z are selected from the group consisting of hydrogen, halo, cyano, thiocyano, isothiocyano, methylsulfonyloxy, thio(C.sub.1 -C.sub.2)alkyl, (C.sub.1 -C.sub.2)alkoxy, carbamoyl, dithiocarbamoyl, hydroxy, azide, trifluoromethylcarboxy, (C.sub.1 -C.sub.4)alkylcarbonyloxy, phenylcarbonyloxy, phenoxy, thiophenyl, imidazolyl or triazolyl group as described herein; R.sup.1 and R.sup.2 are each independently a hydrogen atom or a (C.sub.1 -C.sub.6)alkyl group; and compositions containing these amides are fungicidally active, particularly against phytopathogenic fungi.

Abstract: New fluorinated derivatives useful as surfactants or in the transport of drug or markers, or in drug targeting, and preparations containing the derivatives, for medical, cosmetic and veterinary uses, having the formula: ##STR1## wherein R.sub.F is a fluorinated radical, X is a linear or branched alkylene, R.sup.1 is H or CH.sub.3, R.sup.2 is a radical having at least one OH group, R.sup.3 is a radical derived from an amino acid or a peptide, 1.ltoreq.n.ltoreq.50 and 0.ltoreq.m.ltoreq.200 with 0.2.ltoreq.n/n+m.ltoreq.1.These derivatives can be used as prodrugs or in formulating pharmaceutical, cosmetic and veterinary preparations, in biology and medicine, notably in compositions acting as carriers of oxygen and other gases, of contrast agents, or as carriers of substances used in therapy, or as carriers of markers.

Abstract: This disclosure relates to a novel class of hydroxamic and carboxylic acid based matrix metalloproteinase inhibitor derivatives. The disclosure further relates to pharmaceutical compositions containing such compounds and to the use of such compounds and compositions in the treatment of matrix metalloproteinase induced diseases.

Abstract: This invention pertains to perfluoropolyethers and perhalogenated chlorofluoropolyethers that can be prepared by fluorinating addition polymers made by polymerizing epoxides.

Abstract: A novel pseudoceramide which has improved dispersibility in aqueous solutions and which can be produced by an economical manufacturing process. The process for producing new pseudoceramides and cosmetic compositions containing the new pseudoceramides are also disclosed.

Abstract: Therapeutic compounds have the formula:(X)j-(non-cyclic core moiety),j being an integer from one to three, the core moiety is non-cyclic and X is a racemic mixture, R or S enantiomer, solvate, hydrate, or salt of: ##STR1## *C is a chiral carbon atom, n is an integer from one to four (preferably from one to three), one or more carbon atoms of (CH.sub.2).sub.n may be substituted by a keto or hydroxy group, and m is an integer from one to fourteen. Independently, R.sub.1 and R.sub.2 may be a hydrogen, a straight or branched chain alkane or alkene of up to twelve carbon atoms in length, or --(CH.sub.2).sub.w R.sub.5, w being an integer from two to fourteen and R.sub.5 being a mono-, di- or tri-substituted or unsubstituted aryl group, substituents on R.sub.5 being hydroxy, chloro, fluoro, bromo, or C.sub.1-6 alkoxy. Or jointly, R.sub.1 and R.sub.2 form a substituted or unsubstituted, saturated or unsaturated heterocyclic group having from four to eight carbon atoms, N being a hetero atom. R.sub.

Abstract: The invention concerns nitric acid esters of cyclohexanol of formula I ##STR1## in which A signifies a valency bond or a C.sub.1 -C.sub.6 -alkylene chain and B the group --NR.sup.1 --CO--Z, --NR.sup.1 --SO.sub.2 --Z or --CO--NR.sup.2 --Z, whereby R.sup.1 signifies hydrogen or a C.sub.1 -C.sub.6 -alkyl alkyl group R.sup.2 hydrogen, a hydroxyl, hydroxy-C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkynyl group and Z signifies hydrogen a C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl or C.sub.2 -C.sub.6 -alkynyl group which may optionally be substituted for the case that B is an --NR.sup.1 --CO--Z group, Z can also signify a C.sub.1 -C.sub.6 -alkoxy group.

Abstract: A process for isolating and purifying oxadimethacrylics of the general formula ICH.sub.2 .dbd.C(A)CH.sub.2 --O--CH.sub.2 C(B).dbd.CH.sub.2 Iwhere A and B are selected from the group consisting of --COOR.sup.1, --COR.sup.1, --CONR.sup.2 R.sup.3 and --CN and R.sup.1, R.sup.2 and R.sup.3 are each defined as follows:R.sup.1 is hydrogen, alkyl, substituted or unsubstituted cycloalkyl or cycloalkylalkyl, hydroxyalkyl, aminoalkyl, N-alkylaminoalkyl, N,N-dialkylaminoalkyl, substituted or unsubstituted aryl or arylalkyl,R.sup.2 and R.sup.3 are each hydrogen, alkyl, substituted or substituted cycloalkyl or cycloalkylalkyl, substituted or unsubstituted aryl or arylalkyl,comprises precipitating or crystallizing them from their solutions that contain at least one liquid hydrocarbon compound.

Abstract: Alpha-hydroxy-isobutyramide is produced by continuously hydrating acetone cyanohydrin in a liquid phase in the presence of a manganese dioxide catalyst and in the presence of a particular oxide dissolved in water, oxoacid, heteropolyacid or a salt of the acids.

Abstract: The present invention provides the compound having the structure: ##STR1## wherein each of R.sub.1 and R.sub.2 are independently the same as or different from each other; when R.sub.1 and R.sub.2 are the same, each is a substituted or unsubstituted arylamino, cycloalkylamino, pyridineamino, piperidino, 9-purine-6-amine, or thiozoleamino group; when R.sub.1 and R.sub.2 are different, R.sub.1 =R.sub.3 --N--R.sub.4, wherein each of R.sub.3 and R.sub.4 are independently the same as or different from each other and are a hydrogen atom, a hydroxyl group, a substituted or unsubstituted, branched or unbranched alkyl, alkenyl, cycloalkyl, aryl, alkyloxy, aryloxy, arylalkyloxy, or pyridine group, or R.sub.3 and R.sub.4 bond together to form a piperidine group and R.sub.2 is a hydroxylamino, hydroxyl, amino, alkylamino, dialkylamino or alkyloxy group; and n is an integer from about 4 to about 8.

Abstract: This invention is directed to a method for stereoselectively preparing a syn-dihydroxylated compound comprising reacting a 3-hydroxyket-1-one with a borohydride in the presence of titanium derivative.

Abstract: Hardeners for epoxy resins, comprising reaction products of(A) polyamidoamines that were obtained by polycondensation of (a) dicarboxylic acids containing oxyalkylene groups, or their derivatives, with (b) polyamines containing at least two amino groups capable of undergoing condensation with (a),(B) polyamines containing at least two secondary amino groups, and(C) adducts of (c) polyepoxy compounds and (d) polyalkylene polyether polyols.Epoxy resins that have been cured with these hardeners exhibit in particular a very good water resistance.

Abstract: Depolymerizing high molecular weight polyhydroxy acid by reacting with an amine to produce an amide derivative.