EP Patent

EP1140851A1 — 4-oxo-1,4-dihydro-3-quinolinecarboxamides as antiviral agents

Assigned to Pharmacia and Upjohn Co LLC · Expires 2001-10-10 · 25y expired

What this patent protects

The present invention provides a compound of formula (I) Wherein R1 is C¿1-7? alkyl, optionally substituted by hydroxy or NR?4R5; R2¿ is C¿1-7? alkyl substituted by hydroxy or NR?4R5; R3¿ is H, F or C¿1-7? alkoxy; R?4 and R5¿ together with N are a 5- or 6-membered heterocyclic mo…

USPTO Abstract

The present invention provides a compound of formula (I) Wherein R1 is C¿1-7? alkyl, optionally substituted by hydroxy or NR?4R5; R2¿ is C¿1-7? alkyl substituted by hydroxy or NR?4R5; R3¿ is H, F or C¿1-7? alkoxy; R?4 and R5¿ together with N are a 5- or 6-membered heterocyclic moiety having 1-3 heteroatoms selected from the group consisting of nitrogen, oxygen and sulfur in which sulfur may be substituted by one (1) or two (2) oxygen atoms; and pharmaceutically acceptable salts thereof. Compounds of formula (I) of the present invention are useful as antiviral agents.

Drugs covered by this patent

Patent Metadata

Patent number
EP1140851A1
Jurisdiction
EP
Classification
Expires
2001-10-10
Drug substance claim
No
Drug product claim
No
Assignee
Pharmacia and Upjohn Co LLC
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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