EP Patent

EP1591446A4 — THIENOPYRIMIDINE COMPOUNDS AND USE

Assigned to Takeda Pharmaceutical Co Ltd · Expires 2008-04-30 · 18y expired

What this patent protects

It is intended to provide a compound represented by the following general formula or its salt: wherein R1 represents C1-4 alkyl; R2 represents (1) a nitrogen-containing 5- to 7-membered heterocyclic group optionally having a substituent selected from among (1’) halogeno, (2’) hyd…

USPTO Abstract

It is intended to provide a compound represented by the following general formula or its salt: wherein R1 represents C1-4 alkyl; R2 represents (1) a nitrogen-containing 5- to 7-membered heterocyclic group optionally having a substituent selected from among (1’) halogeno, (2’) hydroxy, (3’) C1-4 alkyl and (4’) C1-4 alkoxy, (2) phenyl optionally having a substituent selected from among (1’) halogeno, (2’) C1-4 alkoxy-C1-4 alkyl, (3’) mono C1-4 alkyl-carbamoyl-C1-4 alkyl, (4’) C1-4 alkoxy and (5’) mono C1-4 alkylcarbamoyl-C1-4 alkoxy, etc.; R3 represents C1-4 alkyl; R4 represents C1-4 alkoxy, etc.; and n is an integer of from 1 to 4; as a thienopyrimidine compound having antagonism to gonadotropin-releasing hormone.

Drugs covered by this patent

Patent Metadata

Patent number
EP1591446A4
Jurisdiction
EP
Classification
Expires
2008-04-30
Drug substance claim
No
Drug product claim
No
Assignee
Takeda Pharmaceutical Co Ltd
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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