Carboxylic acid amides and pharmaceutical compositions containing them
AssigneeDr. Karl Thomae GmbH
InventorsWolfgang Grell, Gerhart Griss, Robert Sauter, Rudolf Hurnaus, Eckhard Rupprecht, Nikolaus Kaubisch, Joachim Kahling, Bernhard Eisele
Life of this patent
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Abstract
There are described novel carboxylic acid derivatives of the formula ##STR1## and derivatives of the formula ##STR2## and the addition salts thereof, which exhibit an effect on the intermediary metabolism. Furthermore, the compounds of Formula Ia as well as the compounds of Formula I possess blood-sugar lowering properties.
Claims16
A compound of the formula ##STR29## wherein R.sub.1 and R.sub.2, together with the nitrogen atom to which they are attached, are di(alkyl of 1 to 3 carbon atoms)amino, N-(alkyl of 1 to 3 carbon atoms)-cyclohexylamino, (alkylene of 4 to 5 carbon atoms)-imino, (monomethyl-substituted alkylene of 4 to 5 carbon atoms)-imino, (dimethyl-substituted alkylene of 4 to 5 carbon atoms)-imino, 4-hydroxy-piperidino, piperid-4-on-1-yl, tetrahydropyridino, morpholino, thiomorpholino, N-methyl-piperazino, N-benzyl-piperazino, N-chlorophenyl-piperazino, hexamethyleneimino, heptamethyleneimino, octamethyleneimino, 3-aza-bicyclo[3,2,2]nonan-3-yl, 1,2,3,4-tetrahydro-isoquinolin-2-yl, 1,2,3,4,5,6,7,8-octahydro-isoquinolin-2-yl, decahydro-isoquinolin-2-yl, octahydroisoindol-2-yl or 8-aza-1,4-dioxa-spiro[4,5]decan-8-yl;
- R.sub.3 is hydrogen, fluorine, chlorine, bromine, iodine, methyl, hydroxyl, methoxy, benzyloxy, acetoxy, nitro, amino, acetylamino, methylsulfonylamino, benzoylamino, ethoxycarbonylamino, cyano, carboxyl, ethoxycarbonyl, aminocarbonyl or aminosulfonyl;
- R.sub.4 is hydrogen or methyl;
- R.sub.5 is hydrogen or, when W is carboxyl or (alkoxy of 1 to 4 carbon atoms) carbonyl, also chlorine;
- A is a single bond, dimethyl-methylene, ethylene, ##STR30## R.sub.6 and R.sub.7 are hydrogen or, together with the carbon atom to which they are attached, alkylidene of 2 to 5 carbon atoms, phenyl(alkylidene of 1 to 3 carbon atoms) or cyclohexylidene;
- R.sub.9 is hydrogen, alkyl of 1 to 5 carbon atoms, alkenyl of 3 to 5 carbon atoms, phenyl, halophenyl, methylphenyl, hydroxyphenyl, methoxyphenyl, benzyloxyphenyl, 4-methylmercaptophenyl, pyridyl, cyclohexyl, carboxyl, cyano, aminocarbonyl, methoxycarbonyl, ethoxycarbonyl, hydroxymethyl, methoxymethyl or phenyl(alkyl of 1 to 2 carbon atoms);
- B is methylene, ethylidene or ethylene;
- and
- W is methyl, hydroxymethyl, formyl, acetyl, carboxyl, cyano, 2-carboxy-ethenyl, 2-(alkoxy of 1 to 3 carbon atoms-carbonyl)-ethenyl, carboxy(alkyl of 1 to 2 carbon atoms), (alkoxy of 1 to 3 carbon atoms-carbonyl)-(alkyl of 1 to 2 carbon atoms), di(alkoxy of 1 to 3 carbon atoms-carbonyl)-(alkyl of 1 to 2 carbon atoms), (2,2-dimethyl-dioxolan-4-yl)methoxy-carbonyl, benzyloxy-carbonyl, aminocarbonyl, methylamino-carbonyl, dimethylaminocarbonyl, piperidino-carbonyl, morpholino-carbonyl, (alkoxy of 1 to 4 carbon atoms)-carbonyl;
- (mono- or dihydroxy-substituted alkoxy of 1 to 4 carbon atoms)-carbonyl, where individual methyl or methylene groups of the alkyl moiety are monohydroxy-substituted and the methylene group adjacent the oxygen atom is unsubstituted;
- or ##STR31## n is 2, 3 or 4;
- and R.sub.8 is methoxy, ethoxy, nicotinoyloxy, 1,3-dimethyl-xanthine-7-yl, dimethylamino or diethylamino;
- or a non-toxic, pharmacologically acceptable addition salt thereof.
A compound of claim 3,
- where
- R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, A and B have the meanings defined in claim 40;
- and
- W is carboxyl;
- (alkoxy of 1 to 4 carbon atoms)-carbonyl;
- or (mono- or dihydroxy-substituted alkoxy of 1 to 4 carbon atoms)-carbonyl, where individual methyl or methylene groups of the alkyl moiety are monohydroxy-substituted and the methylene group adjacent the oxygen atom is unsubstituted;
- or a non-toxic, pharmacologically acceptable addition salt thereof.
Dependencies are inferred from the claim text.