EP1400518A4 — DERIVATIVES OF HETEROCYCLIC COMPOUNDS AND MEDICAMENTS
Assigned to Nippon Shinyaku Co Ltd · Expires 2005-04-20 · 21y expired
What this patent protects
The invention provides compounds useful as PGI2 receptor agonist and pharmaceutical compositions, particularly pharmaceutical compositions containing as the active ingredient compounds represented by the general formula (1) or pharmaceutically acceptable salts thereof: (1) wherei…
USPTO Abstract
The invention provides compounds useful as PGI2 receptor agonist and pharmaceutical compositions, particularly pharmaceutical compositions containing as the active ingredient compounds represented by the general formula (1) or pharmaceutically acceptable salts thereof: (1) wherein R1 and R2 are each independently optionally substituted aryl; Y is N, CH, or the like; Z is N, CH, or the like; A is NH, NR5, O, S, ethylene, or the like; R5 is alkyl or the like; D is alkylene or alkenylene; E is phenylene or a single bond; G is O, S, CH2, or the like; R3 and R4 are each independently hydrogen or alkyl; and Q is carboxyl, alkoxycarbonyl, tetrazolyl, carbamoyl, N-(alkylsulfonyl)carbamoyl, or the like.
Drugs covered by this patent
- Uptravi (SELEXIPAG) · AstraZeneca
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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