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US4141908A Expired / Lapsed US ⏱️ 0.0 years remaining

2-Aryl-1,3-dioxolanes

Assignee: Janssen Pharmaceutica NV
•
Filing: 1977-06-02
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Granted: 1979-02-27
•
Expires: 1997-06-02
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Abstract

Abstract Novel 1-(2-Ar-4-aryloxymethyl-1,3-dioxolan-2-ylmethyl)imidazoles, useful as antifungal and antibacterial agents.

Inventors

  • 👤 Jan Heeres

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:10
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/14; C07D317/18; C07D317/22

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 105 words
A chemical compound having the formula ##STR10## wherein: W is a member selected from the group consisting of halo, 4-methylphenylsulfonyloxy and methylsulfonyloxy; Ar is a member selected from the group consisting of phenyl, substituted phenyl, and naphthyl, wherein said substituted phenyl is phenyl having from 1 to 3 substituents independently selected from the group consisting of halo, lower alkyl, lower alkyloxy, nitro and cyano; R is a member selected from the group consisting of nitro, benzoyl, halobenzoyl, lower alkylcarbonyl, lower alkyloxycarbonyl and trifluoromethyl; and R 1 and R 2 are each independently selected from the group consisting of hydrogen, halo, lower alkyl and lower alkyloxy.
Claim 2
Dependent Claim 105 words
A chemical compound having the formula ##STR10## wherein: W is a member selected from the group consisting of halo, 4-methylphenylsulfonyloxy and methylsulfonyloxy; Ar is a member selected from the group consisting of phenyl, substituted phenyl, and naphthyl, wherein said substituted phenyl is phenyl having from 1 to 3 substituents independently selected from the group consisting of halo, lower alkyl, lower alkyloxy, nitro and cyano; R is a member selected from the group consisting of nitro, benzoyl, halobenzoyl, lower alkylcarbonyl, lower alkyloxycarbonyl and trifluoromethyl; and R 1 and R 2 are each independently selected from the group consisting of hydrogen, halo, lower alkyl and lower alkyloxy.
Claim 3
Dependent Claim 1 words
2-(Bromomethyl)-2-(2,4-dichlorophenyl)-4-(2-nitrophenoxymethyl)-1,3-dioxolane.
Claim 4
Dependent Claim 1 words
2-(Bromomethyl)-2-(2,4-dichlorophenyl)-4-(2-nitrophenoxymethyl)-1,3-dioxolane.

References Cited (Backward Citations)

US2769808A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-02-26 1982-08-28 1983-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-02-26 1986-08-28 1987-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-02-26 1990-08-28 1991-02-27 $7700.00 Window Closed / Lapsed

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