Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-02-20
2007-02-20
McKane, Joseph K. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S365000, C514S374000, C546S276100, C548S205000, C548S236000
Reexamination Certificate
active
10129702
ABSTRACT:
A compound of formula (I) F wherein R1represents a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted; x represents a bond, an oxygen atom, a sulfur atom, or a group of the formula: —CO—, —CS—, —CR4(OR5)— or —NR6— wherein each of R4and R6represents a hydrogen atom or a hydrocarbon group which may be stubstituted, R5represents a hydrogen atom or a protective group for a hydroxyl group; m represents an integer of 0 to 3; Y represents an oxygen atom, a sulfur atom, or a group of the formula: —SO—, —SO2—, —NR7—, —CONR7— or —NR7CO— wherein R7represents a hydrogen atom or a hydrocarbon group which may be substituted; ring A represents an aromatic ring which may further have 1 to 3 substituents; n represents an integer of 1 to 8; ring B represents a nitrogen-containing 5-membered hetero ring which may further be substituted by an alkyl group.
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Kimura Hiroyuki
Maekawa Tsuyoshi
Momose Yu
Odaka Hiroyuki
Freistein Andrew B.
McKane Joseph K.
Takeda Pharmaceutical Company Limited
Wenderoth , Lind & Ponack, L.L.P.
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