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US4218461A Expired / Lapsed US ⏱️ 0.0 years remaining

2,3-Dihydro-2-[(1H-imidazol-1-yl)-methylene]-1H-inden-1-ones

Assignee: ER Squibb and Sons LLC
•
Filing: 1979-08-15
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Granted: 1980-08-19
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Expires: 1999-08-15
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Abstract

Abstract New 2,3-dihydro-2-[(1H-imidazol-1-yl)-methylene]-1H-inden-1-ones are provided having the general formula ##STR1## wherein R, R 1 , R 2 , R 3 , R 4 and R 5 may be the same or different and each is hydrogen, lower alkyl, halogen, lower alkoxy, lower alkylthio, phenyl-lower alkyl, phenyl or substituted phenyl. The above compounds and their salts are useful as antifungal and antibacterial agents.

Inventors

  • 👤 Hans Hoehn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 09:52
CPC Classifications
C; C07; C07D; C07D231/00; C07D231/02; C07D231/10; C07D231/12; C07C; C07C205/00; C07C205/45; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C49/00; C07C49/587; C07C49/703; C07C49/747; C07C49/753; C07D233/00; C07D233/54; C07D233/56; C07D249/00; C07D249/02; C07D249/08

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 70 words
A compound of the formula ##STR10## wherein R, R 1 , R 2 , R 3 , R 4 and R 5 may be the same or different and each is hydrogen, lower alkyl, halogen, lower alkoxy, lower alkylthio, phenyl-lower alkyl, phenyl or substituted phenyl, wherein the phenyl bears one halogen, hydroxy, lower alkoxy, lower alkyl, lower alkylthio, cyano or nitro group; and non-toxic physiologically acceptable acid addition salts thereof.
Claim 2
Dependent Claim 70 words
A compound of the formula ##STR10## wherein R, R 1 , R 2 , R 3 , R 4 and R 5 may be the same or different and each is hydrogen, lower alkyl, halogen, lower alkoxy, lower alkylthio, phenyl-lower alkyl, phenyl or substituted phenyl, wherein the phenyl bears one halogen, hydroxy, lower alkoxy, lower alkyl, lower alkylthio, cyano or nitro group; and non-toxic physiologically acceptable acid addition salts thereof.
Claim 3
Dependent Claim 14 words
The compound as defined in claim 1 wherein R and R 1 are hydrogen.
Claim 4
Dependent Claim 31 words
The compound as defined in claim 1 wherein one of R and R 1 is lower alkyl, phenyl, or phenyl containing one or two halo substituents and the other is hydrogen.
Claim 5
Dependent Claim 27 words
The compound as defined in claim 3 wherein one of R 2 , R 3 , R 4 and R 5 is chlorine and the remainder hydrogen.
Claim 6
Dependent Claim 14 words
The compound as defined in claim 1 in the form of its hydrochloride salt.
Claim 7
Dependent Claim 15 words
The compound as defined in claim 1 having the name 2,3-dihydro-2-[(1H-imidazol-1-yl)methylene]-1H-inden-1-one or its hydrochloride salt.
Claim 8
Dependent Claim 11 words
The compound as defined in claim 1 having the name 6-chloro-2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-1H-inden-1-one.
Claim 9
Dependent Claim 11 words
The compound as defined in claim 1 having the name 2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-3-phenyl-1H-inden-1-one.
Claim 10
Dependent Claim 11 words
The compound as defined in claim 1 having the name 6-chloro-3-(4-chlorophenyl)-2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-1H-inden-1-one.
Claim 11
Dependent Claim 11 words
The compound as defined in claim 1 having the name 4,6-dichloro-3-(2,4-dichlorophenyl)-2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-1H-inden-1-one.
Claim 12
Dependent Claim 11 words
The compound as defined in claim 1 having the name 2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-3-methyl-1H-inden-1-one.
Claim 13
Dependent Claim 11 words
The compound as defined in claim 1 having the name 4-chloro-2,3-dihydro-2-(1H-imidazol-1-ylmethylene)-1H-inden-1-one.
Claim 14
Dependent Claim 21 words
An antimicrobial composition comprising an effective amount of a compound as defined in claim 1 and a pharmaceutically acceptable carrier therefor.
Claim 15
Dependent Claim 28 words
A method for treating bacterial or fungal infections in mammals which comprises administering to a mammalian host an effective amount of a compound as defined in claim 1.

References Cited (Backward Citations)

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JPS4912406A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-08-19 1984-02-18 1984-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-08-19 1988-02-18 1988-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-08-19 1992-02-18 1992-08-19 $7700.00 Window Closed / Lapsed

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