Abstract: A compound selected from the group consisting of optical isomers and racemates of 4-hydroxy-3-quinoline carboxylates of the formula ##STR1## wherein X is in the 5-, 6-, 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --SCF.sub.3, and OCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl and phenyl substituted with at least one member of the group consisting of --OH, alkyl and alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, A is ##STR2## in which R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.

Abstract: Novel enantiomeric and diastereoisomeric forms of decahydroquinolines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms or taken together with the nitrogen atom to which they are connected from a 5 to 6 member heterocycle optionally including another heteroatom and optionally substituted, A is selected from the group consisting of --(CH.sub.2).sub.n -- and alkylene substituted with an alkyl and having 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, naphthyl indenyl, monocyclic heterocycle of 5 to 6 members and a bicyclic heterocycle all being unsubstituted or substituted by one or more substituents and their non-toxic, pharmaceutically acceptable acid addition salts and quaternary ammonium salts having central analgesic properties.

Abstract: Novel pyridines of the formula ##STR1## wherein R is selected from the group consisting of (a) phenyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen --CF.sub.3 and --NO.sub.2 and (b) a 5 to 6 member heterocyclic optionally substituted with alkyl of 1 to 5 carbon atoms, R.sub.1 and R.sub.2 are individually selected from the group consisting of (a) alkyl of 1 to 5 carbon atoms, (b) 5 to 6 member heterocyclic optionally substituted with alkyl of 1 to 5 carbon atoms and (c) phenyl and naphthyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen, --NO.sub.3 and --CF.sub.3, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, --(CF.sub.2).sub.n --CF.sub.

Abstract: Novel 4H-triazolo[4,3-a][1,4]benzodiazepines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are individually selected from the group consisting of hydrogen, --OH, alkyl and alkoxy of 1 to 4 carbon atoms, --NH.sub.2, --NHalk wherein alk is alkyl of 1 to 4 carbon atoms, ##STR2## and alk.sub.1 and alk.sub.2 are individually alkyl of 1 to 4 carbon atoms, halogen, --NO.sub.2 and --CF.sub.3 in any position of the benzene rings with the proviso that R.sub.5 and R.sub.6 are not both hydrogen and their non-toxic, pharmaceutically acceptable acid addition salts having good analgesic activity.

Abstract: Novel enantiomeric and diastereoisomeric forms of decahydroquinolines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms or taken together with the nitrogen atom to which they are connected form a 5 to 6 member heterocycle optionally including another heteroatom and optionally substituted, A is selected from the group consisting of --(CH.sub.2).sub.n -- and alkylene substituted with an alkyl and having 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, naphthyl indenyl, monocyclic heterocycle of 5 to 6 members and a bicyclic heterocycle all being unsubstituted or substituted by one or more substituents and their non-toxic, pharmaceuically acceptable acid addition salts and quaternary ammonium salts having central analgesic properties.

Abstract: A compound selected from the group consisting of all enantiomeric and diastereoisomeric forms of a decahydroquinoline of the formula ##STR1## wherein R.sub.1 is alkyl of 1 to 5 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, A is selected from the group consisting of --(CH.sub.2).sub.n --, --CH.sub.2 O-- and alkylene substituted with alkyl having a total of 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, optionally substituted naphthyl, optionally substituted indenyl, optionally substituted heteromonocycle of 5 to 6 members and optionally substituted hetero-bicycle with the proviso that when Z is o-alkoxy-phenyl, A is not --(CH.sub.2).sub.n -- in which n is O, and their non-toxic, pharmaceutically acceptable acid addition salts and their quaternary ammonium salts and intermediates having analgesic, diuretic, hypotensive, anti-arrithmic and anti-cerebral-ischaemic properties.

Abstract: A compound selected from the group consisting of all enantiomeric and diastereoisomeric forms of a decahydroquinoline of the formula ##STR1## wherein R.sub.1 is alkyl of 1 to 5 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, A is selected from the group consisting of --(CH.sub.2).sub.n --, --CH.sub.2 O-- and alkylene substituted with alkyl having a total of 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, optionally substituted naphthyl, optionally substituted indenyl, optionally substituted heteromonocycle of 5 to 6 members and optionally substituted heterobicycle with the proviso that when Z is o-alkoxy-phenyl, A is not --(CH.sub.2).sub.n -- in which n is O, and their non-toxic, pharmaceutically acceptable acid addition salts and their quaternary ammonium salts and intermediates having analgesic, diuretic, hypotensive, anti-arrithmic and anti-cerebral-ischaemic properties.

Abstract: Novel pyridines of the formula ##STR1## wherein R is selected from the group consisting of (a) phenyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen, --CF.sub.3 and --NO.sub.2 and (b) a 5 to 6 member hetercyclic optionally substituted with alkyl of 1 to 5 carbon atoms, R.sub.1 and R.sub.2 are individually selected from the group consisting of (a) alkyl of 1 to 5 carbon atoms, (b) 5 to 6 member heterocyclic optionally substituted with alkyl of 1 to 5 carbon atoms and (c) phenyl and naphthyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 5 carbon atoms, halogen, --NO.sub.3 and --CF.sub.3, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms, --(CF.sub.2).sub.n --CF.sub.

Abstract: A compound selected from the group consisting of all enantiomeric and diastereoisomeric forms possible of compounds of the formula ##STR1## wherein X is selected from the group consisting of hydrogen, halogen, and alkyl and alkoxy of 1 to 5 carbon atoms, R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, one of A and B being ##STR2## and the other being ##STR3## R is hydrogen or alkyl of 1 to 5 carbon atoms, Z is --(CH.sub.2).sub.n -- or branched alkylene of 2 to 8 carbon atoms, n is an integer from 0 to 5, Y is selected from the group consisting of naphthyl, indenyl, heterobicyclics and heteromonocyclic containing 5 to 6 ring members, all optionally substituted with at least one member of the group consisting of alkyl and alkoxy of 1 to 5 carbon atoms, halogen, --OH, --CF.sub.3, --NO.sub.2, --NH.sub.

Abstract: A compound selected from the group consisting of all enantiomeric and diastereoisomeric forms of a decahydroquinoline of the formula ##STR1## wherein R.sub.1 is alkyl of 1 to 5 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and akyl of 1 to 5 carbon atoms, A is selected from the group consisting of --(CH.sub.2).sub.n --, --CH.sub.2 O-- and alkylene substituted with alkyl having a total of 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, optionally substituted naphthyl, optionally substituted indenyl, optionally substituted heteromonocycle of 5 to 6 members and optionally substituted heterobicycle with the proviso that when Z is o-alkoxy-phenyl, A is not --(CH.sub.2).sub.n -- in which n is O, and their non-toxic, pharmaceutically acceptable acid addition salts and their quaternary ammonium salts and intermediates having analgesic, diuretic, hypotensive, anti-arrithmic and anti-cerebral-ischaemic properties.

Abstract: A compound selected from the group consisting of optical isomers and racemates of 4-hydroxy-3-quinoline carboxylates of the formula ##STR1## wherein X is in the 5-, 6-, 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --SCF.sub.3 and --OCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl and phenyl substituted with at least one member of the group consisting of --OH, alkyl and alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, A is either ##STR2## in which R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.

Abstract: Novel enantiomeric and diastereoisomeric forms of decahydroquinolines of the formula ##STR1## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms or taken together with the nitrogen atom to which they are connected form a 5 to 6 member heterocycle optionally including another heteroatom and optionally substituted, A is selected from the group consisting of --(CH.sub.2).sub.n -- and alkylene substituted with an alkyl and having 2 to 8 carbon atoms, n is an integer from 0 to 5, Z is selected from the group consisting of optionally substituted phenyl, naphthyl indenyl, monocyclic heterocycle of 5 to 6 members and a bicyclic heterocycle all being unsubstituted or substituted by one or more substituents and their non-toxic, pharmaceutically acceptable acid addition salts and quaternary ammonium salts having central analgesic properties.

Abstract: A 4-hydroxy-3-quinoline-carboxamides of the formula ##STR1## wherein X is in the 5,6,7 or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CH.sub.3, --OCF.sub.3 or --SCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of a heterocycle connected to the nitrogen by a carbon atom selected from thiazolyl, 4,5-dihydro-thiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidinyl or tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms or phenyl optionally substituted with at least one member of the group consisting of --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CH.sub.3, --NO.sub.2 or halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms or aryl, R.sub.

Abstract: Novel optical isomers and racemates of 4-hydroxy-3-quinoline-carboxylates of the formula ##STR1## wherein X is in the 5-, 6-, 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --SCF.sub.3 and --OCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl and tetrazolyl all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl substituted with at least one member of the group consisting of --OH, alkyl and alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.

Abstract: Novel optically active isomers or racemic mixtures of thiophene acetic acid derivatives of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms, Y is selected from the group consisting of --OR.sub.2 and ##STR2## R.sub.2 is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms and ##STR3## n is an integer from 2 to 5, X' and X" are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms or taken together with the nitrogen atom form an optionally unsaturated heterocycle of 5 to 6 ring members, R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable salts with acids and bases having a good analgesic and anti-inflammatory activity and inhibition of 5-lipoxygenase and cyclooxygenase, a process and intermediates for their preparation.

Abstract: Novel alkyl .beta.-oxo-benzenepropanoates of the formula ##STR1## wherein X is in the 5-,6-,7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, CF.sub.3 --, CF.sub.3 S-- and CF.sub.3 O--, R.sub.1 ' is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 ' is selected from the group consisting of hydrogen, thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl, tetrazolyl, thienyl, benzothiazolyl and phenyl optionally substituted with at least one member of the group consisting of halogen, alkoxy of 1 to 4 carbon atoms, hydroxy, phenyl, CF.sub.3 --, NO.sub.2 -- alkyl of 1 to 4 carbon atoms and alkyl of 1 to 4 carbon atoms substituted with amino, alkylamino or dialkylamino with alkyls of 1 to 3 carbon atoms or R.sub.1 ' and R.sub.

Abstract: Novel racemates or optically active forms of 2-amino-4-hydroxy-3-quinoline carboxylic acid derivatives of the formula ##STR1## wherein X is in the 5-, 6-, 7- or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, CF.sub.3 --, CF.sub.3 S-- and CF.sub.3 O--, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of (a) thiazolyl, 4,5-dihydrothiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidyl and tetrazolyl, each optionally substituted with alkyl of 1 to 4 carbon atoms and (b) phenyl optionally substituted with at least one member of the group consisting of hydroxy, alkyl and alkoxy of 1 to 4 carbon atoms, CF.sub.3 --, --NO.sub.2 and halogen, R.sub.3 is selected from the group consisting of 2-pyrrolidinyl of the formula ##STR2## R.sub.

Abstract: Novel 4-hydroxy-3-quinoline-carboxamides of the formula ##STR1## wherein X is in the 5,6,7 or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --OCF.sub.3 and --SCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydro-thiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidinyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl optionally substituted with at least one member of the group consisting of --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen, R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.4 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.

Abstract: Novel analgesic and enkephalinase inhibiting compositions comprising an analgesically and enkephalinase inhibitory effective amount of at least one compound selected from the group consisting of a compound of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and acetyl, n is 1 or 2 and when n is 1, R.sub.2 is selected from the group consisting of phenyl, p-chlorophenyl, m-trifluoromethylphenyl and thiazolyl and when n is 2, R.sub.2 is selected from the group consisting of phenyl and p-chlorophenyl and their salts with non-toxic, pharmaceutically acceptable acids and bases and an inert pharmaceutical carrier and novel method of relieving pain and inhibiting enkephalinase activity in warm-blooded animals and novel amides.

Abstract: Novel 4-hydroxy-3-quinoline-carboxamides of the formula ##STR1## wherein X is in the 5,6,7 or 8-position and is selected from the group consisting of hydrogen, halogen, alkyl of 1 to 5 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --OCF.sub.3 and --SCF.sub.3, R.sub.1 is selected from the group consisting of hydrogen and alkyl of 1 to 4 carbon atoms, R.sub.2 is selected from the group consisting of thiazolyl, 4,5-dihydro-thiazolyl, pyridinyl, oxazolyl, isoxazolyl, imidazolyl, pyrimidinyl and tetrazolyl, all optionally substituted with alkyl of 1 to 4 carbon atoms and phenyl optionally substituted with at least one member of the group consisting of --OH, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, --CF.sub.3, --NO.sub.2 and halogen R.sub.3 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.4 is selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and aryl, R.sub.