EP0378255A2 — 2-Aminopyrimidinone derivatives
Assigned to Janssen Pharmaceutica NV · Expires 1990-07-18 · 36y expired
What this patent protects
Novel 2-aminopyrimidinone derivatives of formula wherein R¹ is R³ is hydrogen or C₁₋₆alkyl; R⁴ is hydrogen, C₁₋₆alkyl or substituted C₁₋₆alkyl; R⁵ is hydrogen, C₁₋₆alkyl, C₁₋₆alkylaminocarbonyl, Ar-aminocarbonyl, C₁₋₆alkylcarbonyl or Ar-carbonyl; R⁶ is hydrogen, C₁…
USPTO Abstract
Novel 2-aminopyrimidinone derivatives of formula wherein R¹ is R³ is hydrogen or C₁₋₆alkyl; R⁴ is hydrogen, C₁₋₆alkyl or substituted C₁₋₆alkyl; R⁵ is hydrogen, C₁₋₆alkyl, C₁₋₆alkylaminocarbonyl, Ar-aminocarbonyl, C₁₋₆alkylcarbonyl or Ar-carbonyl; R⁶ is hydrogen, C₁₋₆alkyl or Ar-C₁₋₆alkyl; or R⁵ and R⁶ taken together is -CH₂-CH₂-, -CH₂-CH₂-CH₂-, -CH=CH-, -CH=N-, -N=CH- or -N=CH-CH₂-; the pharmaceutically acceptable acid addition salts and possible stereochemically isomeric forms thereof; pharmaceutical compositions containing such compounds as an active ingredient and methods of preparing said compounds and pharmaceutical compositions.
Drugs covered by this patent
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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