Abstract: Acetylene derivatives of the general formula I ##STR1## where U, V and W are hydrogen, halogen, nitro, cyano, alkyl or alkoxy,A is alkylidene, alkoxymethylidene, alkylthiomethylidene or alkoximino,B is OH, alkoxy or alkylamino andR is hydrogen, halogen, cyano, CF.sub.3, alkyl, cycloalkyl, haloalkyl, aryl, alkenyl, alkynyl, heterocyclyl, hetaryl, arylalkyl, arylalkenyl, arylethynyl, hetaryl-C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, aryloxyalkyl, hetaryloxyalkyl, arylamino-alkyl, arylthiomethyl, hetarylthiomethyl, C(O)R.sup.1, C(O)NR.sup.2 R.sup.3, C(S)NR.sup.4 R.sup.5, C(O)SR.sup.6, C(S)OR.sup.7, C(S)SR.sup.8, CH(OH)R.sup.9, CH(OR.sup.10)R.sup.11, SiR.sup.12 R.sup.13 R.sup.14, SnR.sup.15 R.sup.16 R.sup.17, C(OR)R.sup.18 or C(.dbd.N--OR.sup.19)R.sup.20 andR.sup.1 -R.sup.17, R.sup.19 and R.sup.20 are hydrogen, alkyl, aryl, hetaryl, arylalkyl or hetarylalkyl and R.sup.18 is OH, C.sub.1 -C.sub.4 -alkoxy or aryl-C.sub.1 -C.sub.4 -alkoxy, and fungicides containing these compounds.

Abstract: A method of purifying acifluorfen to achieve a purity of greater than about 85% by weight involves heating to dissolution a solution of an acifluorfen crude wet cake and at least one solvent from the group of 1,2-dichlorobenzene, monochlorobenzene, o-xylene and p-xylene, with the solution having from about 10 to about 30 weight percent of acifluorfen crude wet cake. The-solution is then cooled until crystals of purified acifluorfen form. The crystals are then filtered at a temperature within the range of from about 0.degree. to about 30.degree. C. The filtered crystals are then recovered.

Abstract: This invention provides a method of treating lower urinary tract disorders in mammals employing compounds which inhibit norepinephrine reuptake and having negligible anticholinergic effect.

Abstract: A novel N-phenylcarbamate compound or its salt where possible, which is useful as the active ingredient of a biocidal composition for control of harmful organisms, is represented by the following general formula (I): ##STR1## wherein R.sup.1 is unsubstituted or substituted alkyl; R.sup.2 is H, unsubstituted or substituted alkyl, alkenyl, alkynyl or cycloalkyl, or --COX.sup.1 wherein X.sup.1 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl or alkoxy; Z is --CH.sub.2 S--, --SCH.sub.2 --, --CH.sub.2 O--, --OCH.sub.2 --, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --C.tbd.C--, --CH.sub.2 SO--, --CH.sub.2 SO.sub.2 --, --CH.sub.2 SCH.sub.2 --, or --CH.sub.2 O--N.dbd.C(R.sup.4)--; R.sup.

Abstract: A process for recovering sulfuric acid from a mixture containing sulfuric acid and organic sulfonation products is provided. The process comprises contacting a mixture comprised of sulfuric acid and (i) a naphthalene-based material selected from the group consisting of naphthalenesulfonic acids, lower-alkyl substituted naphthalenesulfonic acids, and mixtures of two or more of such materials, or (ii) an aromatic-based carbonyl condensate (preferably a material selected from the group consisting of formaldehyde condensates of naphthalenesulfonic acids, formaldehyde condensates of lower-alkyl substituted naphthalenesulfonic acids, and mixtures of two or more of such materials), with a basic anion exchange resin in essentially the sulfate form (and preferably in the form of essentially non-porous particles) to provide a raffinate liquid phase enriched with respect to said mixture in said naphthalene-based material and depleted with respect to said mixture in sulfuric acid.

Abstract: The present invention relates to a process for the hydrogenation of ethylenically unsaturated organic compounds. This process is carried out in a homogeneous medium containing a hydrogenation catalyst formed by a complex of ruthenium with a phosphine, which comprises two allylic groups as ligands on the Ru.

Abstract: N-aralkyl- and N-heteroaralkyl-aminoalkanephosphinic acids of formula I ##STR1## wherein R is an aliphatic, cycloaliphatic, cycloaliphatic-aliphatic, araliphatic or heteroarylaliphatic radical having at least 2 carbon atoms, R.sub.1 is hydrogen or hydroxy, R.sub.2 is an araliphatic or heteroarylaliphatic radical substituted by free or functionally modified carboxy that is bonded directly or by way of a spacer, and R.sub.3 is hydrogen, lower alkyl or a group R.sub.2, and the salts thereof have valuable nootropic and anti-epileptic properties and can be used in the preparation of a nootropic or anti-epileptic medicament.

Abstract: A pharmaceutical composition in dosage form for treating psoriasis and psoriatic arthritis includes, essentailly, as active substance (s), a fumaric acid monoalkylester salt having the formula ##STR1## wherein R is a methyl, propyl or isopropyl group, and M.sup.++ is calcium, alone or in combination with at least one of the fumaric acid alkyl ester salts as defined above, M.sup.++ is selected from the group consisting of magnesium, zinc and iron. The combination includes, by weight, 10-250 parts, 0-50 parts magnesium, and 0-50 parts zinc or iron salt of fumaric acid monoalkylester, in an amount of fumaric acid not exceeding 300 mg. per dosage form, in combination with ordinary pharmaceutically compatible solid adjuvants and vehicles.

Abstract: The present invention provides novel methods of lowering serum cholesterol and inhibiting smoother muscle cell proliferation, particularly restenosis, in humans, and inhibiting uterine fibroid disease and endometriosis in women comprising administering to a human/woman in need of treatment an effective amount of a compound of formula I ##STR1## wherein R is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, halo, or trifluoromethyl;R.sup.1 and R.sup.2 each are the same or different C.sub.1 -C.sub.6 alkyl group;n is an integer from 2 to 6; andR.sup.3 and R.sup.4 each are independently C.sub.1 -C.sub.4 alkyl, or combine to form a substituent selected from the group consisting of pyrrolidino, morpholino, piperidino, piperazino, 4-(C.sub.1 -C.sub.6 allkyl)piperazino, and 4-phenyl-piperazino; or a pharmaceutically acceptable salt thereof.

Abstract: Disclosed is an organic nonlinear optical material made of heterocyclic compound which is represented by general formula (I) shown below. ##STR1## wherein Z.sub.1 is O, S, Se, Te, SO.sub.2 group or NR.sub.1 group; Z.sub.2 is N or CR.sub.2 group; Y is O, S or NR.sub.3 group; X is CR.sub.4 R.sub.5 group, NR.sub.6 group, O or S; and R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, and R.sub.6 may be identical to or different from each other, and each of them is heterocyclic group, aromatic hydrocarbon group, aliphatic hydrocarbon group or alicylic hydrocarbon group, which may be unsubstituted or substituted, characteristic group or H, where R.sub.4 and R.sub.5 may jointly form a carbocyclic or a heterocyclic ring.

Abstract: Novel substituted cyclic compounds of Formula I are found to be useful inhibitors of matrix metalloendoproteinase-mediated diseases including osteoarthritis, rheumatoid arthritis, septic arthritis, tumor invasion in certain cancers, periodontal disease, corneal ulceration, proteinuria, dystrophic epidermolysis bullosa, and coronary thrombosis associated with atherosclerotic plaque rupture. The matrix metalloendoproteinases are a family of zinc-containing proteinases including but not limited to stromelysin, collagenase, and gelatinase, that are capable of degrading the major components of articular cartilage and basement membranes. The inhibitors claimed herein may also be useful in preventing the pathological sequelae following a traumatic injury that could lead to a permanent disability. These compounds may also be useful as novel birth control agents by preventing ovulation or implantation.

Abstract: Chloroacetic acids and essentially pure hydrochloric acid are prepared by chlorinating acetic acid in the presence of a catalytically effective amount of acetic anhydride, acetyl chloride, or admixture thereof, whereby byproducing a gaseous stream of crude hydrochloric acid, contacting such gaseous stream with active charcoal to remove the chlorine values therefrom, separating (i) pure hydrochloric acid and (ii) remaining products from the gaseous stream thus purified, and recycling such remaining products (ii) to the medium of chlorination.

Abstract: The present invention provides three optical resolution methods. The first aspect comprises the steps of adding an optically active bifunctional resolving reagent to a bifunctional compound to form a liquid material, precipitating crystals therefrom, and treating the crystals and the liquid material separately with an acidic material, a basic material, or a basic material and an acidic material, to obtain a pair of enantiomers of an optically active bifunctional compound. The second aspect comprises an optical resolution method by which one necessary enantiomer of a pair of enantiomers in an optically active bifunctional compound is exclusively obtained. The third aspect comprises a method for racemizing one unnecessary enantiomer of a pair of enantiomers in an optically active bifunctional compound which is formed by the optical resolution method of the present invention.

Abstract: An erodible pharmaceutical composition providing a unique zero order controlled release profile is herein described. The erodible composition contains a therapeutically active substance having a solubility not greater than 80 mg/mL, a hydroxypropyl methylcellulose derivative and erosion modifiers depending on drug solubility and drug loading, such as lactose and polyoxyalkylene derivatives of propylene glycol, as well as other inert materials such as binders and lubricants. The hydroxypropyl methylcellulose derivative is most preferably a hydroxy-propylmethyl having a methoxy content of about 19-30% and hydroxypropyl content of 7-12%, a methoxy degree of substitution from 1.1 to 2.0, a molecular weight of approximately 20,000 to 26,000 daltons and a viscosity of a 2% w/w polymer solution at 25.degree. C. ranging from 50 to 100 cps. The composition erodes with a constant erosion volume for a desired time period.

Abstract: A process for preparing an o-iminooxymethylbenozic acid of the general formula I ##STR1## comprises reacting an oxime of the general formula II ##STR2## with a lactone of the general formula III ##STR3## if appropriate in the presence of a base or of a diluent, and o-iminooxymethylbenzoic acids of the abovementioned formula.

Abstract: Acylamides or amine acylate salts of arylalkanolamines are prepared by reacting an arylisonitrosoalkanone with hydrogen and a carboxylic acid, carboxylic acid anhydride or carboxylic acid ester or mixture thereof in the presence of a transition metal catalyst; optionally the product is converted to the corresponding arylalkanolamine hydrochloride salt by reaction of the acylamide or amine acylate salt of the arylalkanolamine with hydrogen chloride in a C.sub.1 -C.sub.3 alkyl alcohol.

Abstract: Crude 4,4'-diamino-l,l'-dianthraquinonyl-3,3'-disulfonic acids or salts thereof are purified by subjecting an aqueous solution containing the crude products to salting-out using inorganic salts, the aqueous solution being adjusted within a range of from acid to neutral region, whereby a product usable as such for the production of 4,4'-diamino-1,1'-dianthraquinonyl red pigments having excellent pigmentary properties is obtained in high yields with industrial advantages.

Abstract: A fast, three-stage, low temperature process for the conversion of fatty acids into food grade-anhydrides is disclosed. The process comprises as a first step the reaction of a higher fatty acid with a dehydrating agent under mild conditions. A second process step comprises the further conversion of mixed anhydrides to symmetrical anhydrides by continuous removal of the dehydrating agent and by-product acid from the reaction mixture under vacuum. In a third process step, the symmetrical anhydrides are purified under mild conditions, preferably using thin-film short path evaporation. The resulting anhydrides have minimal by-products and good color and odor.

Abstract: Process for preparing 3-sulfobenzoic acid and alkali metal salts thereof is disclosed. The present invention relates to a process for preparing 3-sulfobenzoic acid and/or alkali metal salts thereof, which comprises mixing 3-(chlorosulfonyl)benzoic acid with water and a water-immiscible solvent in which 3-sulfobenzoic acid is insoluble or only sparingly soluble, removing water from the mixture by azeotropic distillation, cooling and, if desired, admixing the 3-sulfobenzoic acid formed with alkali metal hydroxide and/or a substance forming alkali metal hydroxide and again removing water by azeotropic distillation.

Abstract: The invention concerns a process for the preparation of acyl isocyanates which consists of reacting oxalyl chloride with a salt selected from the group consisting of hydrohalides and sulphates of carboxamides and/or carbamates, unsubstituted on nitrogen, then heating the reaction mixture at a temperature between 30.degree. and 150.degree. C. The process is suitable for preparation of acyl isocyanates with excellent yields in easy to control operational conditions.