Abstract: S Enantiomers of 2-arylpropionic acids are made by enantioselective hydrolysis of the corresponding racemic 2-arylpropionamides in the presence of a microorganism, or of an enzyme derived therefrom, able selectively to hydrolyze racemic .alpha.-phenylpropionamide to S .alpha.-phenylpropionic acid. The S Enantiomers obtained may be incorporated into antiinflammatory, analgesic and antipyretic compositions.

Abstract: The invention provides a stabilized aqueous solution of a water soluble pentamidine salt comprising an acetate buffer, and having a total acetate concentration of 0.01-0.06M, and a pH of 4.0-5.0 at room temperature.

Abstract: New derivatives of formula (I) in which R.sub.1 =H, halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH, CH, phenyl or phenoxy, Ar=phenyl, naphthyl, pyridyl, quinolyl, isoquinolyl, thienyl, thieno[2,3-b]thienyl or thieno[3,2-b]thienyl (these groups optionally substituted with halogen, alkyl, alkyloxy, CF.sub.3, NH.sub.2, alkylamino, dialkylamino, OH or CN), p=0, 1 or 2, andA--either Z=valency bond and R.sub.2 =HB--or Z=valency bond and R.sub.2 =pyridyl, quinuclidinyl, 3-pyrrolidinyl, 3- or 4-piperidyl (these groups optionally being substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl)C--or Z=alkylene radical (1 to 4C) and R.sub.2 =2-, 3- or 4-pyridyl, 3-quinuclidinyl, 2- or 3-pyrrolidinyl, 2-, 3- or 4-piperidyl (optionally substituted with alkyl, hydroxyalkyl, phenyl or phenylalkyl) or R.sub.2 =CON(R.sub.3)(R.sub.4) wherea) either R.sub.3 and R.sub.4 form a piperazine optionally substituted with alkyl, hydroxyalkyl, pyridyl, phenyl or phenylalkyl,b) or R.sub.

Abstract: Novel organosoluble derivatives of chitosan, useful in coating biologically active feedstuff additives intended for ruminants, to provide coatings which are stable at a pH greater than 5 and which release the biologically active substance at a pH below 3.5, consist of a random chain of units represented by the formulae: ##STR1## in which: R.sub.1 represents an alkylcarbonyl radical (2 to 4 carbon atoms), R.sub.2 represents an alkyl radical (2 to 21 carbon atoms) or an optionally substituted phenyl radical, and R.sub.3 and R.sub.4 represent a hydrogen atom or alkylcarbonyl radicals (2 to 4 carbon atoms).

Abstract: This invention relates to a process for preparation of a platinum-cobalt bi-metallic catalyst having an alloy structure.

Abstract: Compounds of formula: ##STR1## R.sub.1 represents a polyfluoroalkoxy radical, R.sub.2 represents an alkylthioalkyl, alkylsulphinylalkyl or alkylsulphonylalkyl radical, andR.sub.3 represents an alkyl radical,as well as the salts of these compounds with an inorganic or organic acid, processes for preparing them and medicinal products containing them.

Abstract: This invention relates to a thioformamide derivative of the formula I ##STR1## wherein: R and R.sup.1 each independently represent an alkyl group;A represents either:(1) a phenyl group which is optionally substituted; or(2) a heteroaromatic group (e.g. pyrid-3-yl, quinolin-3-yl); andY represents:an ethylene or methylene group or a direct bond.These compounds may be formulated as pharmaceutical preparations and have utility for the treatment of disorders associated with smooth muscle contraction.

Abstract: 5-Trifluoromethoxy-2-benzimidazolamine and its salts with an inorganic or organic acid, its preparation and medicinal products containing it.

Abstract: Phenothiazine derivatives of general formula (I), in which R is a linear or branched (1 to 6 C) alkyl radical and R.sub.1 and R.sub.2, which may be identical or different, are linear or branched (1 to 4 C) alkyl radicals or form, with the nitrogen atom to which they are attached, a 4- to 7-membered heterocycle, their isomeric forms and mixtures thereof as well as their addition salts with acids, possess analgesic and diuretic activity.

Abstract: This invention relates to a compound of the formula: ##STR1## in which R.sub.1 representsa 1,2,3,6-tetrahydro-1-pyridyl radical substituted in the 4-position.a 1-piperazinyl radical substituted in the 4-position.a piperidino radical substituted in the 4-positioneither:R.sub.2 and R.sub.3, which are identical, represent a hydrogen or halogen atom and R.sub.4 represents a hydrogen atom orR.sub.2 and R.sub.4 represent a hydrogen atom and R.sub.3 represents a halogen atom or an acetylamino radical orR.sub.2 and R.sub.3 represent a hydrogen atom and R.sub.4 represents a halogen atom and R.sub.5 represents a --CH.dbd. group.or R.sub.2, R.sub.3 and R.sub.4 represent a hydrogen atom and R.sub.5 represents a nitrogen atom.R.sub.

Abstract: Optically active 2-arylalkanoic acids are made by enantioselective hydrolysis of the corresponding racemic amides in the presence of a microorganism, or of an enzyme derived therefrom, able selectively to hydrolyse racemic .alpha.-phenylpropionamide to S .alpha.-phenylpropionic acid.

Abstract: Diaryl sulphides and diaryl selenides of formula:Ar--X--Arwhere X=S or Se and Ar=aryl are made by the action of sulphur and sulphur dioxide or selenium and selenium dioxide on a compound of formula:Ar--HThe process is especially useful for the preparation of phenothiazines of formula ##STR1## in which X=S or Se and Z and Z.sub.1, which may be identical or different, are each hydrogen, halogen, alkyl or alkoxy.

Abstract: Compounds of formula: ##STR1## and their salts, in which R.sub.1 represents polyfluoroalkoxy, and R.sub.2 represents alkyl, alkenyl (3-6 C), [cycloalkyl (3-6 C)]-alkyl, carbamoylalkyl, dialkylcarbamoylalkyl, acylaminoalkyl, phenylthioalkyl, hydroxyalkyl, cyanoalkyl, sulphamoylethyl, N-alkylsulphamoylethyl, pyridylthioalkyl, pyridiylalkylthioalkyl, pyridylsulphinylalkyl, alkynyl (3-6 C), phenylsulphinylalkyl, halophenylthioalkyl, (2,2,2-trifluoroethylthio)alkyl, 2-dialkylaminopropyl, pyrimidinylsulphinylalkyl, pyridylalkylsulphinylalkyl, halophenylsulphinylalkyl or (2,2,2-trifluoroethylsulphinyl)alkyl are useful in the treatment of medical conditions associated with the effects of glutamate.

Abstract: New benzopyran derivatives of general formula (I) in which:R.sub.1 represents a hydrogen or halogen atom or a hydroxy, alkyloxy, nitro, amino, alkylsulphonamido or acylamino radical,R represents(1) radical ##STR1## R.sub.2 and R.sub.3, which may be identical or different, being H, halogen, OH, alkyl, alkyloxy, NH.sub.2, alkylsulphonamido or NO.sub.2, or(2) a radical ##STR2## n being 0 or 1, R.sub.4 being H, alkyl or optionally substituted phenyl and Q is acyl, alkylsulphonyl or ##STR3## Y being --CO-- or --SO.sub.2 -- and Z being a single bond, --CH.sub.2 -- or --NH--, or(3) a radical ##STR4## n being 0 or 1, m being 0 or 2, X being C or N (if n=0), W being a bond or --NH-- and AR being pyridyl, indolyl, quinolyl, 2-alkylquinolyl or phenyl optionally substituted with R.sub.2 and R.sub.3, provided that n=0 when X equals N, or(4) a radical of general formula: ##STR5## R.sub.

Abstract: Hydroxyalkylating agents of formula: ##STR1## in which R denotes alkyl, n is 2 or 3, R.sub.1 denotes hydrogen or alkyl and R.sub.2 denotes alkyl an unsubstituted or substituted phenyl or ##STR2## are useful inter alia for the preparation of 1-(hydroxyalkyl)imidazoles. They are made by reaction of a sulphonic acid or dimethyl sulphate with a corresponding decarboxylate ester.

Abstract: This invention relates to a compound ##STR1## in which R.sub.1 representsa 1,2,3,6-tetrahydro-1-pyridyl radical substituted in the 4-position by (a) a phenyl radical, (b) a phenyl radical substituted by a halogen atom or an alkyl, hydroxy or alkoxy radical, (c) a 3-indolyl radical, (d) a 3-indolyl radical substituted on the nitrogen atom by an alkyl or alkylcarbonyl radical and/or in the 5-position by a halogen atom or (e) a 3-(5-hydroxyindolyl) radical.a 1-piperazinyl radical substituted in the 4-position by (a) a phenyl radical, (b) a phenyl radical substituted by an alkoxy, alkyl, hydroxy, nitro or amino radical or a halogen atom, (c) a 1,2-benzisothiazol-3-yl radical, (d) a 1,2-benzisoxazol-3-yl radical or (e) a 2-pyridyl radical.

Abstract: Quinoline derivatives of formula: ##STR1## in which either R.sub.1 denotes trifluoromethyl, R.sub.2 and R.sub.3 form, together with the nitrogen atom to which they are attached, morpholino and R.sub.4 denotes a 4-methylphenyl, 4-chlorophenyl, 2-, 3- or 4-fluorophenyl, 4-methoxyphenyl, 4-methyl-3-fluorophenyl, 2,4-difluorophenyl or 4-aminophenyl,or R.sub.1 denotes trifluoromethyl, R.sub.2 and R.sub.3 form, together with the nitrogen atom to which they are attached, thiomorpholino, or R.sub.2 denotes methyl and R.sub.3 denotes 2-methoxyethyl and R.sub.4 denotes 4-methylphenyl,or R.sub.1 denotes chlorine fluorine, or methoxy, R.sub.2 and R.sub.3 form, together with the nitrogen atom to which they are attached, morpholino, and R.sub.4 denotes 4-methylphenyl, are useful as anxiolytics, hypnotics, anticonvulsants and antiepileptics.

Abstract: A process for the preparation of an aromatic ether of general formula: ##STR1## by the action of 3-chloro-1,2-propanediol sulfate on a phenol of general formula:Ar--OHin the presence of an inorganic base.Use of a product obtained according to the process for the preparation of adrenergic .beta.-blockers.

Abstract: Compounds of the formula: ##STR1## in which - R.sub.1 denotes a polyfluoroalkoxy or polyfluoroalkyl radical, and - R.sub.2 denoteseither a chain --CH.sub.2 --(CH(R.sub.4)).sub.n --R.sub.3, in which R.sub.3 denotes a dialkylamino, piperidino, 1-pyrrolidinyl, mercapto, acylthio, alkylthio, alkylsulphinyl or alkylsulphonyl radical, R.sub.4 denotes a hydrogen atom or an alkyl radical and n is equal to 0 or 1,or a residue of formula: ##STR2## the said alkyl and alkoxy radicals and portions containing 1 to 4 carbon atoms each in a straight or branched chain and said the acyl portions containing 2 to 4 carbon atoms each, and the salts of these compounds, are useful in the treatment of diseases in which glutamate is implicated.

Abstract: The invention provides: (2S,4R,6S)-6-[(4,5-diphenylimidazol-2-yl)thiomethyl]-4-hydroxy-2-methoxy-3 ,4,5,6-tetrahydro-2H-pyran and (2R,4R,6S)-6-[(4,5-diphenylimidazol-2-yl)thiomethyl]-4-hydroxy-2-methoxy-3 ,4,5,6-tetrahydro-2H-pyran or a mixture thereof; the compounds are anti-atherosclerotic agents.