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EP0477819A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Benzimidazole derivatives, their preparation and use

Assignee: Poseidon Pharmaceuticals AS
•
Filing: 1991-09-23
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Granted: —
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Expires: 2011-09-23
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Abstract

Abstract A compound having the formula wherein R 1 is hydrogen, NH 2 or C 1 6 -alkyl which may be branched; X is O, S, NCN; Y is O, S; R 4 , R 5 , R 6 and R 7 independently of each other is hydrogen, halogen, CF 3 , N0 2 , NH 2 , OH, C 1 6 -alkoxy, C(=O)-phenyl or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 11 is hydrogen, halogen, N0 2 or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 13 is hydrogen, halogen, phenyl, CF 3 , N0 2 ; R 12 is hydrogen or together with R 13 forms a C 4 7 - carbocyclic ring which may be aromatic or partial saturated; R14 is hydrogen or together with R 13 forms a C 4 7 - carbocyclic ring which may be aromatic or partial saturated; further a method of treating a disease in a mammal, including a human, responsive to opening of potassium channels, which comprises administering to a mammal in need thereof an effective amount of a compound as first above.

Inventors

  • 👤 Soren-Peter Olesen
  • 👤 Frank Wätjen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-28 11:03
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/06; C07D235/12; C07D235/24; C07D235/30; A; A61; A61P; A61P11/00; A61P11/06; A61P11/08; A61P25/00; A61P25/08; A61P9/00; A61P9/08; A61P9/10; A61P9/12; C07D235/26; C07D235/28

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 160 words
A compound having the formula wherein R 1 is hydrogen, NH 2 or C 1 6 -alkyl which may be branched; X is O, S, NCN; Y is O, S; R 4 , R 5 , R 6 and R 7 independently of each other is hydrogen, halogen, CF 3 , N0 2 , NH 2 , OH, C l 6 -alkoxy, C(=O)-phenyl or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 11 is hydrogen, halogen, N0 2 or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 13 is hydrogen, halogen, phenyl, CF 3 , N0 2 ; R 12 is hydrogen or together with R 13 forms a C 4 7 -carbocyclic ring which may be aromatic or partial saturated; R 14 is hydrogen or together with R 13 forms a C 4 7 -carbocyclic ring which may be aromatic or partial saturated.
Claim 2
Dependent Claim 160 words
A compound having the formula wherein R 1 is hydrogen, NH 2 or C 1 6 -alkyl which may be branched; X is O, S, NCN; Y is O, S; R 4 , R 5 , R 6 and R 7 independently of each other is hydrogen, halogen, CF 3 , N0 2 , NH 2 , OH, C l 6 -alkoxy, C(=O)-phenyl or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 11 is hydrogen, halogen, N0 2 or S0 2 NR'R" wherein R' and R" independently are hydrogen or C 1 6 -alkyl; R 13 is hydrogen, halogen, phenyl, CF 3 , N0 2 ; R 12 is hydrogen or together with R 13 forms a C 4 7 -carbocyclic ring which may be aromatic or partial saturated; R 14 is hydrogen or together with R 13 forms a C 4 7 -carbocyclic ring which may be aromatic or partial saturated.
Claim 3
Dependent Claim 9 words
A compound of claim 1 which is 5-trifluoromethyl-2,3-dihydro-1-(5-chloro-2-hydroxyphenyl)-1 H-2-oxo-benzimidazole.
Claim 4
Dependent Claim 9 words
A compound of claim 1 which is 5-trifluoromethyl-2,3-dihydro-1-(5-phenyl-2-hydroxyphenyl)-1 H-2-oxo-benzimidazole.
Claim 5
Dependent Claim 10 words
A compound of claim 1 which is 5-trifluoromethyl-6-nitro-2,3-dihydro-1-(3-nitro-5-chloro-2-hydroxyphenyl)-1 H-2-oxo- benzimidazole.
Claim 6
Dependent Claim 18 words
A pharmaceutical composition comprising a therapeutically-effective amount of a compound of claim 1 together with a pharmaceutically-acceptable carrier.
Claim 7
Dependent Claim 65 words
A method of preparing a compound of claim 1 which comprises the step of reacting a compound having the formula wherein R 1 , R 4 , R 5 , R 6 , R 7 , Y , R 11 , R1 2, R13 and R 14 have the meanings set forth in claim 1 with phosgene, an urea derivative, thiocarbonyl diimidazol or N-cyanoimido-S,S'-dimethyl- dithiocarbonate.

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