Cassella Aktiengesellschaft

Cassella Aktiengellschaft

Rudi Beyerle

Karl Schonafinger

Helmut Bohn

Piero A Martorana

Rolf-Eberhard Nitz

Melitta Just

Ursula Schindler

Gerhard Zoller

Heinz Bender

Jorg Ostrowski

Volker Fiedler

Bernd Jablonka

Eckard Kujath

Jeffery Troke

Christian Baumgartner

Anton Mogilev

Karl-Heinz Keil

Klaus Kuhlein

Steffen Piesch

Josef Scholtholt

Thomas Raabe

Otto Grawinger

Kuno Reh

SchoKarl

Heinz G Greve

Veit Buch

Substituted 3-aminosydnonimines of the formula I ##STR1## and pharmacologically acceptable acid addition salts thereof, in which R.sup.1 denotes hydrogen or the radical --COR.sup.4,

Substituted 3-aminosydnonimines

The invention relates to pharmacologically active substituted 3-aminosydnone imines of the general formula I ##STR1## in which n denotes 0 or 1, and their pharmacologically acceptable salts and acid addition salts, and to a process for the preparation of the compounds according to the invention and their use.

Substituted 3-aminosydnone imines and salts thereof

Substituted 3-aminosydnone imines of the formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which R.sup.1 denotes e.g. hydrogen;

Substituted 3-aminosydnone imines

The present invention relates to pharmacologically active substituted 3-dicyclohexylaminosydnone imines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which R.sup.1 denotes hydrogen or the radical --COR.sup.2 and R.sup.2 denotes (C.sub.1 to C.sub.4)-alkyl, (C.sub.1 to C.sub.4)alkoxy-(C.sub.1 to C.sub.4)alkyl, (C.sub.1 to C.sub.4) alkoxy, (C.sub.1 to C.sub.4)alkoxy-(C.sub.1 to C.sub.4 )alkoxy, (C.sub.5 to C.sub.7)cycloalkyl, phenyl, a phenyl radical which is mono-, di- or trisubstituted by 1 to 3 halogen atoms and/or 1 to 3 alkyl radicals having 1 to 4 C atoms and/or 1 to 3 alkoxy radicals having 1 to 4 C atoms, a nicotinoyl radical or an allylmercaptoacetyl radical, and to a process for the preparation of the compounds according to the invention and their use.

3-dicyclohexylaminosydnone imines, process for their preparation and

Substituted 3-aminosydnone imines of the formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which A denotes, for example, --CH.sub.2 --,

Substituted 3-aminosyndone imines, a process for their preparation and

The 1,2,3,4-oxatriazolium-5-olates of the formula I ##STR1## in which R.sup.1 denotes, for example, (C.sub.2 to C.sub.4)alkyl,

Substituted 1,2,3,4-oxatriazolium-5-olates, a process for their

Substituted 3-aminosydnone imines of the general formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which A denotes an alkylene chain;

Substituted 3-aminosydnone imines, pharmaceutical compositions

Pyrrolealdehydes of the formula I ##STR1## wherein R and R.sup.1 independently of one another denote hydrogen or alkyl with 1 to 4 C atoms, R.sup.2 denotes alkyl, which is substituted by acylamino of the formula II ##STR2## wherein X stands for an oxygen or sulphur atom and R.sup.3 denotes hydrogen, optionally substituted alkyl or alkylamino, cycloalkyl with 5 to 7 C atoms, optionally substituted phenyl, an amino group or an optionally substituted phenylamio group, and pharmaceutically acceptable acid addition salts thereof, and wherein R.sup.3 cannot represent hydrogen if R and R.sup.1 denote hydrogen and the pyrrole ring is formylated in the 3-position, their preparation and their use.

Pyrrolealdehydes, their preparation and their use

The present invention relates to thienylacetic acid derivatives of the general formula I ##STR1## in which X denotes --O-- or --NH--;

Thienylacetic acid derivatives, process for the preparation thereof, the

Substituted 3-aminosydnonimines of the formula I ##STR1## and their pharmacologically acceptable acid addition salts, wherein R.sup.1 denotes, for example, alkyl having 1 to 8 C atoms, R.sup.2 denotes hydrogen or the radical --COR.sup.3 and R.sup.3 denotes, for example, an aliphatic radical having 1 to 4 C atoms, are prepared, for example, by cyclization of a compound of the formula II ##STR2## and if appropriate subsequent acylation and have useful pharmacological properties.

Substituted 3-aminosydnonimines, processes for their preparation and

The present invention relates to thienylpiperazines of the general formula I ##STR1## in which R.sup.1 denotes hydrogen or double-bonded oxygen and R.sup.2 denotes hydrogen or double-bonded oxygen, with R.sup.1 and R.sup.2 not both having the same meaning, as well as the pharmaceutically tolerated salts thereof, process for the preparation thereof, the use thereof, and pharmaceuticals containing these and the preparation thereof.

Thienylpiperazines, the use thereof and pharmaceuticals containing these

Pyrrole derivatives of the general formula I ##STR1## wherein R denotes alkyl which is substituted by --NH.sub.2 or acylamino, R.sup.1 and R.sup.2 independently of one another denote hydrogen or alkyl having 1 to 4 carbon atoms, R.sup.3 denotes hydrogen, alkyl having 1 to 4 carbon atoms or a carboxylic acid grouping, R.sup.4 denotes a carboxylic acid grouping, nitro, alkylsulphinyl having 1 to 4 carbon atoms, optionally substituted phenylsulphinyl, alkylsulphonyl having 1 to 4 carbon atoms, optionally substituted phenylsulphonyl, alkylcarbonyl having 1 to 6 carbon atoms in the alkyl part, trifluoromethylcarbonyl, optionally substituted phenylcarbonyl, dicyanomethylene, formylvinyl, alkoxycarbonylvinyl having 1 to 6 carbon atoms in the alkoxy part or a carbonyl group, which is substituted by an optionally substituted aliphatic or aromatic 5- to 7-membered heterocyclic radical having 1 or 2 hetero atoms from the series comprising N, O and S, and pharmaceutically acceptable salts or acid addition salts thereof which are useful pharmacological active compounds. The invention also relates to methods for preparing the present compounds. The invention also includes formulations containing effective amounts of such compounds, and methods for administering same to patients for the treatment of diseases caused by restriction in cerebral function and/or for the treatment of cerebral aging processes.

Pyrrole derivatives, their preparation and their use as pharmaceutical

Pharmacologically useful N-substituted-N-nitrosoaminoacetonitriles of the general formula I ##STR1## wherein A denotes the radical --CH.sub.2 --, --O--, --S(O.sub.n)--, --N(R.sup.2)-- or a direct bond,

N-substituted N-nitrosoaminoacetonitriles, process for their preparation

Substituted 3-aminosydnonimines of the formula I ##STR1## and their pharmacologically acceptable acid addition salts wherein A denotes, for example, --CH.sub.2 --,

3-(Thien-2-yl)-piperazin-2-ones, substituted in the 3-position, of the general formula ##STR1## wherein R dentoes, for example, phenyl or (C.sub.1 -C.sub.6)-alkyl and R.sup.1 denotes 2-thienyl and pharmacologically tolerable acid addition salts thereof, which possess valuable nootropic properties. The invention also includes methods for making such compounds, formulations containing such compounds and methods for treating a host in need thereof.

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Frankfurt-am-Main, Germany

Rudi Beyerle