Abstract: Novel hydrogenated heterocyclic compounds, containing two nitrogen atoms, of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.5 and Rhd 7 are each, independently of the others, hydrogen or lower alkyl, m is 2 or 3, n is 1 or 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt, can be used as pharmaceutical active ingredients and can be manufactured in a manner known per se.

Abstract: Novel hydrogenated heterocyclic compounds, containing two nitrogen atoms, of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.5 and R.sub.7 are each, independently of the others, hydrogen or lower alkyl, m is 2 or 3, n is 1 or 2, and either R.sub.4 and R.sub.6 are each hydrogen or R.sub.4 and R.sub.6 together form an additional bond, in free form or in form of a salt, can be used as pharmaceutical active ingredients for memory improvement and can be manufactured in a manner known per se.

Abstract: The invention relates to novel hydrogenated 1-benzooxacycloalkylpyridinecarboxylic acid compounds of formula ##STR1## in which the variables R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, alk, X, Z, m, n and p, the dotted line and the substituents of the ring A have the meanings indicated in the specification and in the claims, and to their tautomers and/or salts. These compounds can be used as pharmaceutical active ingredients and can be prepared in a manner known per se.

Abstract: The invention relates to novel hydrogenated 1-benzooxacycloalkylpyridinecarboxylic acid compounds of formula ##STR1## in which the variable R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, alk, X, Z, m, n and p, the dotted line and the substituents of the ring A have the meanings indicated in the specification and in the claims, and to their tautomers and/or salts. These compounds can be used as pharmaceutical active ingredients and can be prepared in a manner known per se.

Abstract: Hydropyridine derivatives of the formula ##STR1## in which R.sub.1 represents carboxy, lower alkoxycarbonyl, carbamoyl, N-lower alkylcarbamoyl or N,N-di-lower alkylcarbamoyl, R.sub.2 represents hydrogen, an optionally etherified or acylated hydroxy group or an optionally acylated amino group, and R.sub.3 represents a radical of the formula R- (Ia), R-alk.sub.1 - (Ib) or R'=alk.sub.2 - (Ic) in which R represents a benzocycloalkenyl radical having a total of from 8 to 12 ring carbon atoms which is bonded via a saturated carbon atom and which is unsubstituted or is mono- or poly-substituted in the benzo moiety by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, lower alkyl and/or by trifluoromethyl, and/or substituted in the .alpha.

Abstract: Hydropyridine derivatives of the formula ##STR1## in which R.sub.1 represents carboxy, lower alkoxycarbonyl, carbamoyl, N-lower alkylcarbamoyl or N,N-di-lower alkylcarbamoyl, R.sub.2 represents hydrogen, an optionally etherified or acylated hydroxy group or an optionally acylated amino group, and R.sub.3 represents a radical of the formula R-- (Ia), R--alk.sub.1 -- (Ib) or R'.dbd.alk.sub.2 -- (Ic) in which R represents a benzocycloalkenyl radical having a total of from 8 to 12 ring carbon atoms which is bonded via a saturated carbon atom and which is unsubstituted or is mono- or poly-substituted in the benzo moiety by hydroxy, lower alkoxy, lower alkanoyloxy, halogen, lower alkyl and/or by trifluoromethyl, and/or subsituted in the .alpha.

Abstract: The present invention provides new basically substituted pyridinecarboxamides having the formula I ##STR1## wherein R.sub.1 represents lower alkyl and --OR.sub.1 is in the adjacent position to the carboxamide group,R.sub.2 represents lower alkyl or an ethylene radical which is attached to one of the trivalent radicals designated as A and the nitrogen atom located between it to form a 6-membered ring,A represents a divalent saturated hydrocarbon radical which encompasses at most a single ring with 5 or 6 ring members and contains not more than 7 carbon atoms and whose two linkage positions are separated by (3-m) to 4 carbon atoms, or, if R.sub.2 is an ethylene radical, represents the 1-propanyl-3-ylidene radical, if m s 1, or the 1,2,4-butane-triyl radical, if m is 0,And one of the factors m and n is 0 and the other is 1, and, if desired, the ring B is further substituted, and the acid addition salts of the compounds of the formula I.

Abstract: The invention relates to new heterocyclic S-imino-S-oxides of the formula I ##STR1## in which one of the symbols X.sub.1 and X.sub.2 denotes a direct bond and the other denotes the vinylene group --CH=CH-- or the epithio radical --S--, Y.sub.1 and Y.sub.2 conjointly denote an additional bond or one of the symbols denotes hydrogen and the other denotes hydrogen or, conjointly with the symbol R.sub.1 or R.sub.2, which is present on the same carbon atom, denotes the oxo radical, one of the symbols R.sub.1 and R.sub.2 denotes hydrogen or lower alkyl and the other denotes hydrogen or lower alkyl or, conjointly with the symbol Y.sub.1 or Y.sub.2, which is present on the same carbon atom, denotes the oxo radical, or, if Y.sub.1 and Y.sub.2 conjointly denote an additional bond, also denotes lower alkoxy, and R.sub.3 and R.sub.4 independently of one another denote hydrogen, halogen up to atomic number 35, lower alkyl, lower alkoxy or trifluoromethyl and R.sub.

Abstract: The invention relates to new aminoacyl compounds of the formula I, ##SPC1##