Diamino alcohols and their use as renin inhibitor

1. A compound of the formula

wherein:

R 1 is

a) hydrogen, hydroxyl or amino; or

b) C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 8 -alkanoyl, C 1 -C 8 -alkoxycarbonyl, aryl-C 0 -C 4 -alkyl or heterocyclyl-C 0 -C 4 -alkyl, which radicals may be substituted by 1-4 C 1 -C 8 -alkyl, halogen, oxo, cyano, trifluoromethyl, C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxycarbonyl, aryl or heterocyclyl;

R 2 is

a) C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 8 -alkylsulphonyl, C 3 -C 8 -cycloalkylsulphonyl, aryl-C 0 -C 8 -alkylsulphonyl, heterocyclylsulphonyl, C 3 -C 12 -cycloalkyl-C 1 -C 8 -alkanoyl, aryl-C 1 -C 8 -alkanoyl, aryl-C 3 -C 8 -cycloalkanoyl, C 1 -C 8 -alkanoyl, C 1 -C 8 -alkoxycarbonyl, optionally N-mono- or N,N-di-C 1 -C 8 -alkylated carbamoyl-C 0 -C 8 -alkyl, aryl-C 0 -C 4 -alkyl or heterocyclyl-C 0 -C 4 -alkyl, which radicals may be substituted by 1-4 C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkoxy, amino, C 1-6 -alkylamino, di-C 1-6 -alkylamino, C 1 -C 6 -alkanoylamino, C 1 -C 8 -alkoxycarbonylamino, halogen, oxo, cyano, hydroxyl, trifluoromethyl, C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxycarbonyl, aryl or heterocyclyl; or

b) together with R 1 and the nitrogen atom to which they are bonded is a saturated or partly unsaturated, 4-8-membered, heterocyclic ring which may contain an additional nitrogen, oxygen or sulphur atom or an —SO— or —SO2— group, and the additional nitrogen atom may optionally be substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkanoyl, C 1 -C 8 -alkoxycarbonyl, aryl or heteroaryl radicals, in which case this heterocyclic ring may be part of a bicyclic or tricyclic ring system having a total of up to 16 members and the second ring may also contain a nitrogen, oxygen or sulphur atom or an —SO— or —SO2— group, and the nitrogen atom of the second ring may optionally be substituted by C 1 -C 8 -alkyl, C 1 -C 8 -alkanoyl, C 1 -C 8 -alkoxycarbonyl, aryl or heterocyclyl radicals, and all ring systems mentioned may be substituted by 1-4 C 1 -C 8 -alkyl, halogen, hydroxyl, oxo, trifluoromethyl, C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxy-C 1 -C 8 -alkyl, C 1 -C 8 -alkoxy-C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxycarbonylamino, C 1 -C 8 -alkanoylamino, C 1 -C 8 -alkylamino, N,N-di-C 1 -C 8 -alkylamino, aryl-C 0 -C 4 -alkyl, aryloxy-C 0 -C 4 -alkyl, aryl-C 0 -C 4 -alkyl-C 1 -C 8 -alkoxy, aryloxy-C 0 -C 4 -alkyl-C 1 -C 8 -alkoxy, heterocyclyl-C 0 -C 4 -alkyl, heterocyclyloxy-C 0 -C 4 -alkyl, heteroaryl-C 0 -C 4 -alkyl-C 1 -C 8 -alkoxy or heterocyclyloxy-C 0 -C 4 -alkyl-C 1 -C 8 -alkoxy;

R 3 is hydrogen, C 1 -C 4 -alkyl, C 1 -C 8 -alkoxycarbonyl or C 1 -C 8 -alkanoyl;

R 4 is hydrogen, C 1 -C 4 -alkyl, C 1 -C 8 -alkoxycarbonyl or C 1 -C 8 -alkanoyl;

R 5 is in each case independently hydrogen, C 1 -C 8 -alkyl, or, together with the carbon atom to which they are bonded, are a C 3 -C 8 -cycloalkylidene radical;

R 6 is hydrogen or hydroxyl;

R, in each case independently, are 1-4 radicals selected from:

hydrogen, halogen, C 1 -C 8 -alkyl, 3- to 8-membered cycloalkyl, polyhalo-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, 3- to 8-membered cycloalkoxy-C 1 -C 4 -alkyl, hydroxyl, C 1 -C 8 -alkanoyloxy-C 1 -C 4 -alkyl, hydroxy-C 2 -C 8 -alkyl, C 1 -C 4 -alkylthio-C 1 -C 4 -alkyl, C 1 -C 8 -alkylsulphonyl-C 1 -C 4 -alkyl, thiazolylthio-C 1 -C 4 -alkyl, thiazolinylthio-C 1 -C 4 -alkyl, imidazolylthio-C 1 -C 4 -alkyl, optionally N-oxidized pyridylthio-C 1 -C 4 -alkyl, pyrimidinylthio-C 1 -C 4 -alkyl, optionally partially hydrogenated pyridyl- or N-oxidopyridyl-C 1 -C 4 -alkyl, C 1 -C 4 -alkylsulphonylamino-C 1 -C 4 -alkyl, trifluoro-C 1 -C 8 -alkylsulphonylamino-C 1 -C 4 -alkyl, pyrrolidino-C 1 -C 4 -alkyl, piperidino-C 1 -C 4 -alkyl, piperazino-C 1 -C 4 -alkyl, N′-C 1 -C 4 -alkylpiperazino-C 1 -C 4 -alkyl, N′-C 2 -C 8 -alkanoylpiperazino-C 1 -C 4 -alkyl, morpholino-C 1 -C 4 -alkyl, thiomorpholino-C 1 -C 4 -alkyl, S-oxothiomorpholino-C 1 -C 4 -alkyl, S,S-dioxothiomorpholino-C 1 -C 4 -alkyl, cyano-C 1 -C 4 -alkyl, carboxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxycarbonyl-C 1 -C 4 -alkyl, carbamoyl-C 1 -C 8 -alkyl, N-mono- or N,N-di-C 1 -C 4 -alkylcarbamoyl-C 1 -C 4 -alkyl, unsubstituted or mono-, di- or tri-C 1 -C 4 -alkyl-, —C 1 -C 4 -alkoxy-, -hydroxy-, —C 1 -C 4 -alkylamino-, -di-C 1 -C 4 -alkylamino-, -halogen- or -trifluoromethyl-substituted phenyl or naphthyl, hydroxy-C 2 -C 8 -alkoxy, halo-C 2 -C 8 -(hydroxy)alkoxy, C 1 -C 8 -alkylsulphonyl-C 1 -C 4 -(hydroxy)alkoxy, amino-C 1 -C 4 -alkyl, C 1 -C 4 -alkylamino-C 1 -C 4 -alkyl, N,N-di-C 1 -C 4 -alkylamino-C 1 -C 4 -alkyl, N—C 1 -C 4 -alkanoylamino-C 1 -C 4 -alkyl, C 1 -C 8 -alkoxycarbonylamino-C 1 -C 4 -alkyl, optionally partially hydrogenated pyridyl- or N-oxidopyridyl-C 1 -C 4 -alkyl, piperazino-C 1 -C 4 -alkyl, N′-C 1 -C 4 -alkylpiperazino-C 1 -C 4 -alkyl, N′-C 2 -C 8 -alkanoylpiperazino-C 1 -C 4 -alkyl, morpholino-C 1 -C 4 -alkyl, thiomorpholino-C 1 -C 4 -alkyl, S-oxothiomorpholino-C 1 -C 4 -alkyl, S,S-dioxothiomorpholino-C 1 -C 4 -alkyl, amino-C 1 -C 4 -alkoxy, C 1 -C 4 -alkylamino-C 1 -C 4 -alkoxy, N,N-di-C 1 -C 4 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 4 -alkanoyl-amino-C 1 -C 4 -alkoxy, C 1 -C 8 -alkoxycarbonylamino-C 1 -C 4 -alkoxy, C 1 -C 8 -alkanoyl-C 2 -C 4 -alkoxy which bears the alkanoyl group in a position higher than the α-position, C 1 -C 8 -alkoxy, 3- to 8-membered cycloalkoxy, C 2 -C 8 -alkenyloxy, 3- to 8-membered cycloalkoxy-C 1 -C 4 -alkoxy, C 1 -C 8 -alkoxy-C 1 -C 8 -alkoxy, C 1 -C 4 -alkoxy-C 2 -C 4 -alkenyl, C 2 -C 8 -alkenyloxy-C 1 -C 4 -alkoxy, C 1 -C 4 -alkoxy-C 2 -C 4 -alkenyloxy, C 2 -C 8 -alkenyloxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkylthio-C 1 -C 4 -alkoxy, C 1 -C 8 -alkylsulphonyl-C 1 -C 4 -alkoxy, C 1 -C 4 -alkylthio-C 1 -C 4 -(hydroxy)alkoxy, unsubstituted or mono-, di- or tri-C 1 -C 4 -alkyl-, —C 1 -C 4 -alkoxy-, -hydroxy-, —C 1 -C 4 -alkylamino-, -di-C 1 -C 4 -alkylamino-, -halo- and/or -trifluoromethyl-substituted phenyl- or naphthyl-C 1 -C 4 -alkoxy, polyhalo-C 1 -C 4 -alkoxy, optionally partially hydrogenated pyridyl- or N-oxidopyridyl-C 1 -C 4 -alkoxy, thiazolyl-C 1 -C 4 -alkoxy, optionally N-oxidized morpholino-C 1 -C 4 -alkoxy, thiazolylthio-C 1 -C 4 -alkoxy, thiazolinylthio-C 1 -C 4 -alkoxy, imidazolylthio-C 1 -C 4 -alkoxy, optionally N-oxidized pyridylthio-C 1 -C 4 -alkoxy, pyrimidinylthio-C 1 -C 4 -alkoxy, amino-C 1 -C 4 -alkoxy, C 1 -C 4 -alkylamino-C 1 -C 4 -alkoxy, N,N-di-C 1 -C 4 -alkylamino-C 1 -C 4 -alkoxy, C 1 -C 8 -alkanoylamino-C 1 -C 4 -alkoxy, C 1 -C 8 -alkylsulphonylamino-C 1 -C 4 -alkoxy, trifluoro-C 1 -C 8 -alkylsulphonyl-C 1 -C 4 -alkoxy, pyrrolidino-C 1 -C 4 -alkoxy, piperidino-C 1 -C 4 -alkoxy, cyano-C 1 -C 4 -alkoxy, carboxy-C 1 -C 4 -alkoxy, C 1 -C 4 -alkoxycarbonyl-C 1 -C 4 -alkoxy, carbamoyl-C 1 -C 4 -alkoxy, N—C 1 -C 8 -alkylcarbamoyl-C 1 -C 4 -alkoxy or N-mono- or N,N-di-C 1 -C 4 -alkylcarbamoyl-C 1 -C 4 -alkoxy, carboxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxycarbonyl-C 1 -C 4 -alkyl, carbamoyl-C 1 -C 8 -alkyl, N-mono- or N,N-di-C 1 -C 4 -alkylcarbamoyl-C 1 -C 4 -alkyl, carboxy-C 1 -C 4 -alkoxy, C 1 -C 4 -alkoxycarbonyl-C 1 -C 4 -alkoxy, carbamoyl-C 1 -C 8 -alkoxy, N-Mono- or N,N-di-C 1 -C 4 -alkylcarbamoyl-C 1 -C 4 -alkoxy, C 1 -C 4 -alkylamino or N,N-di-C 1 -C 4 -alkylamino,

or salt or prodrug thereof, or where one or more atoms are replaced by their stable, non-radioactive isotopes, preferably pharmaceutically usable salt thereof.

2. The compound according to claim 1 , wherein:

R 1 is a) hydrogen; or

b) C 1 -C 8 -alkyl or C 3 -C 8 -cycloalkyl;

R 2 is a) C 1 -C 8 -alkyl, C 3 -C 8 -cycloalkyl, C 1 -C 8 -alkanoyl, heterocyclyl-C 1 -C 8 -alkanoyl, C 3 -C 12 -cycloalkyl-C 1 -C 8 -alkanoyl or aryl-C 1 -C 8 -alkanoyl, which radicals may be substituted by 1-4 C 1 -C 8 -alkyl, C 1-6 -alkylamino, cyano, halogen, hydroxyl, C 1 -C 6 -alkanoylamino, C 1 -C 8 -alkoxy, oxo, trifluoromethyl or aryl; or

b) together with R 1 and the nitrogen atom to which they are bonded are a saturated or partly unsaturated, 4-8-membered, heterocyclic ring which may contain an additional nitrogen or oxygen atom, in which case the additional nitrogen atom may optionally be substituted by C 1 -C 8 -alkyl or C 1 -C 8 -alkanoyl, and this heterocyclic ring may be part of a bicyclic or tricyclic ring system having a total of up to 16 ring members and the second ring may also contain a nitrogen or oxygen atom, in which case the nitrogen atom of the second ring may optionally be substituted by C 1 -C 8 -alkyl or C 1 -C 8 -alkanoyl, and all ring systems mentioned may be substituted by 1-4 C 1 -C 8 -alkyl, hydroxyl, oxo, C 1 -C 8 -alkoxy, C 1 -C 8 -alkoxy-C 1 -C 8 -alkoxy, C 1 -C 8 -alkanoylamino or aryloxy-C 0 -C 4 -alkyl-C 1 -C 8 -alkoxy;

R 3 is hydrogen;

R 4 is hydrogen;

R 5 are each independently hydrogen or C 1 -C 8 -alkyl;

R 6 is hydrogen;

R are each independently 1-4 radicals selected from:

hydrogen, C 1 -C 8 -alkyl, halogen, trifluoromethyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy-C 1 -C 4 -alkoxy-C 1 -C 4 -alkyl, C 1 -C 8 -alkoxy, C 1 -C 4 -alkoxy-C 1 -C 4 -alkoxy,

or pharmaceutically usable salt thereof.

3. The compound according to claim 1 of the formula

wherein R, R 1 , R 2 , R 3 , R 4 and R 5 are each as defined in claim 1 .

4. The compound according to claim 1 , wherein R 2 together with R 1 and the nitrogen atom to which they are bonded is a substituted or unsubstituted hetero cyclic ring selected from the group consisting of pyrrolidino, piperidino, pyridinyl, piperazino, morpholino, thiomorpholino, furanyl, tetrahydrofuranyl, pyranyl, tetrahydropyranyl, thiazolyl, oxazolyl, imidazolyl, indolinyl, isoindolinyl, 2,3-dihydrobenzimidazolyl, 1,2,3,4-tetrahydroquinolyl, 1,2,3,4-tetrahydroisoquinolyl, 1,2,3,4-tetrahydro-1,3-benzodiazinyl, 1,2,3,4-tetrahydro-1,4-benzodiazinyl, 3,4-dihydro-2H-1,4-benzoxazinyl, 3,4-dihydro-2H-1,4-benzothiazinyl, 3,4-dihydro-2H-1,3-benzothiazinyl, 3,4,5,6,7,8-hexahydro-2H-1,4-benzoxazinyl, 3,4,5,6,7,8-hexahydro-2H-1,4-benzothiazinyl, 9-azabicyclo[3.3.1]non-9-yl, 1-azepan-1-yl, 2,8-diazaspiro[4.5]dec-8-yl, octahydroisoindol-2-yl, 4-azatricyclo[5.2.1.0 2,6 ]dec-4-yl, 3-azabicyclo[3.2.1]oct-3-yl, 3,7-diazabicyclo[3.3.1]non-3-yl, 3-azabicyclo[3.3.1]non-3-yl, 8-azabicyclo[3.2.1]oct-8-yl, 3-azabicyclo[3.2.2]non-3-yl, 2,3,4,5-tetrahydro-1H-1-benz[6,7-b]azepinyl and 5,6-dihydrophenanthridinyl.

5. A pharmaceutical preparation comprising, as an active pharmaceutical ingredient, a compound according to claim 1 in free form or as a pharmaceutically usable salt, and a pharmaceutically acceptable excipient.

6. A method for the treatment of a condition selected from the group consisting of hypertension, heart failure, glaucoma, cardiac infarction, kidney failure and restenosis, said method comprising administering a compound according to claim 1 , or a salt or prodrug thereof, to a patient in need thereof.

7. A pharmaceutical preparation comprising, as an active pharmaceutical ingredient, a compound according to claim 2 in free form or as a pharmaceutically usable salt, and a pharmaceutically acceptable excipient.

8. A pharmaceutical preparation comprising, as an active pharmaceutical ingredient, a compound according to claim 3 in free form or as a pharmaceutically usable salt, and a pharmaceutically acceptable excipient.

9. A pharmaceutical preparation comprising, as an active pharmaceutical ingredient, a compound according to claim 4 in free form or as a pharmaceutically usable salt, and a pharmaceutically acceptable excipient.