Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-08-31
2011-11-15
Moore, Susanna (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C544S278000
Reexamination Certificate
active
08058280
ABSTRACT:
The present invention provides a compound represented by the formula:wherein R1is a C1-4alkyl; R2is (1) a 5- to 7-membered nitrogen-containing heterocyclic group which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a hydroxy group, (3′) a C1-4alkyl and (4′) a C1-4alkoxy, (2) a phenyl which may have a substituent selected from the group consisting of (1′) a halogen, (2′) a C1-4alkoxy-C1-4alkyl, (3′) a mono-C1-4alkyl-carbamoyl-C1-4alkyl, (4′) a C1-4alkoxy and (5′) a mono-C1-4alkylcarbamoyl-C1-4alkoxy, or the like; R3is a C1-4alkyl; R4is a C1-4alkoxy, or the like; n is an integer of 1 to 4; or a salt thereof, as a thienopyrimidine compound having gonadotropin-releasing hormone antagonistic activity.
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Cho Nobuo
Hitaka Takenori
Imada Takashi
Kusaka Masami
Miwa Kazuhiro
Edwards Angell Palmer & & Dodge LLP
Kim Kongsik
Moore Susanna
Takeda Pharmaceutical Company Limited
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