EP Patent

EP1577288A1 — Selective estrogen receptor modulators

Assigned to Eisai R&D Management Co Ltd · Expires 2005-09-21 · 21y expired

What this patent protects

The present invention provides a compound represented by the following formula (I); [wherein T represents a single bond, a C1-C4 alkylene group which may have a substituent and the like; formula (I-1) represents a single bond or a double bond; A represents a single bond, a bi…

USPTO Abstract

The present invention provides a compound represented by the following formula (I); [wherein T represents a single bond, a C1-C4 alkylene group which may have a substituent and the like; formula (I-1) represents a single bond or a double bond; A represents a single bond, a bivalent 5- to 14-membered heterocyclic group which may have a substituent and the like; Y represents a single bond and the like; Z represents a methylene group and the like; ring G represents a phenylene group and the like which may condense with a 5- to 6-membered ring and may have a heteroatom; R a and R b are the same as or different from each other and represent a hydrogen atom and the like; W represents a single bond and the like; R' represents 1 to 4 independent hydrogen atoms and the like; and R" represents 1 to 4 independent hydrogen atoms and the like] or a salt thereof, or a hydrate thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP1577288A1
Jurisdiction
EP
Classification
Expires
2005-09-21
Drug substance claim
No
Drug product claim
No
Assignee
Eisai R&D Management 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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