Boehringer Ingelheim Kg

Boehringer Ingelheim Gmbh

C. H. Boehringer Sohn

Armin Fugner

Kurt Schromm

Ernst-Otto Renth

Anton Mentrup

Ralf Anderskewitz

Franz Birke

Ilse Streller

Frank Himmelsbach

Gerhard Walther

Hubert Heuer

Karl-Heinz Weber

Claus S Schneider

Christopher John Meade

Wolfgang Hoefke

Gojko Muacevic

Wolfram Gaida

Volker Jacobi

Amidine derivatives, the preparation and use thereof as medicaments with Itb4 antagonistic effect

Compounds of the formula ##STR1## which is explained more fully in the specification, may be prepared by conventional methods and used therapeutically in conventional galenic preparations.

Amidine derivatives, the preparation and use thereof as medicaments with

Substituted benzamidine compounds which have useful pharmaceutical

Chemical compound, the preparation thereof and its use in pharmaceutical

Compounds of the formula ##STR1## wherein (a)

Pyridotriazoloquinazolines and triazolopyridoquinazolines useful as

Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2, which may be identical to or different from each other, are each hydrogen, fluorine, chlorine, bromine, trifluoromethyl, hydroxyl, nitro, amino, cyano, methylsulfonamido, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 3 carbon atoms, (alkyl of 1 to 3 carbon atoms)thio or (alkanoyl of 2 to 4 carbon atoms)amino;

11-(Piperazin- or

Compounds of the formula ##STR1## wherein Het is ##STR2## n is an integer from 1 to 4, inclusive, preferably 2 or 3, R.sub.1 is H or acyl,

Heterocyclic compounds

1-phenyl-2-(heterocyclyl-alkyl-amino)-ethanols

Compounds of the formula ##STR1## wherein n is 1 or 2, R.sub.1 is hydrogen, --CO--R.sub.2 or --SO.sub.2 R.sub.3,

Bronchospasmolytic

Compounds of the formula ##STR1## wherein A is a single bond, ##STR2## R.sub.1 is --OH, --0--acyl, chlorine or hydrogen; R.sub.2 is hydrogen, methyl or ethyl;

(1-Hydroxy-2-amino-alkyl)-substituted benzoxazinones and benzoxazolinones

The invention relates to compounds of general formula I ##STR1## (wherein R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom or a (C.sub.1 -C.sub.4) alkyl group;

3,1 Benzoxazin-2-ones and use thereof

This invention relates to the novel compound 11-oxo-11H-pyrido[2,1-b]quinazoline-2-carboxylic acid of the formula ##STR1## and non-toxic, pharmacologically acceptable salts thereof, as well as to pharmaceutical composition containing these compounds as active ingredients, and methods of using them as antiallergics.

11-Oxo-11H-pyrido[2,1-b]quinazoline-2-carboxylic acid and salts thereof,

This invention relates to a compound of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4, which may be the same or different, each represent a hydrogen or halogen atom or an alkyl or alkoxy group of from 1 to 6 carbon atoms;

Fused dibenzo imidazolo compounds, compositions and use

Compounds of the formula ##STR1## wherein A is .dbd.CH-- or .dbd.N--;

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Gau-Algesheim, Germany

Armin Fugner