EP Patent

EP0183492B1 — Substituted imidazole derivatives and their preparation and use

Assigned to ORION-YHTYMAE TE ESPOO FINLAND Oy · Expires 1989-11-15 · 37y expired

What this patent protects

The compounds of the formula: <CHEM> wherein X is -CH2-, -CH2CH2- or -0-, R1 is H, lower alkyl or lower alkenyl group, OCH3 or OCH2CH3, R2 is H, CH3, CH2CH3, OCH3 or OH, R3 is H, CH3, CH2CH3, OCH3 or Hal, R4 is H, CH3, CH2CH3, OCH3 or Hal, and Hal is halogen, and their non-…

USPTO Abstract

The compounds of the formula: <CHEM> wherein X is -CH2-, -CH2CH2- or -0-, R1 is H, lower alkyl or lower alkenyl group, OCH3 or OCH2CH3, R2 is H, CH3, CH2CH3, OCH3 or OH, R3 is H, CH3, CH2CH3, OCH3 or Hal, R4 is H, CH3, CH2CH3, OCH3 or Hal, and Hal is halogen, and their non-toxic acid addition salts exhibit valuable pharmacological activity and are useful especially as selective alpha 2-receptor antagonists. Processes for the preparation of these compounds and pharmaceutical compositions containing them are described.

Drugs covered by this patent

Patent Metadata

Patent number
EP0183492B1
Jurisdiction
EP
Classification
—
Expires
1989-11-15
Drug substance claim
No
Drug product claim
No
Assignee
ORION-YHTYMAE TE ESPOO FINLAND Oy
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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