Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-01-02
2007-01-02
Balasubramanian, Venkataraman (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S231500, C514S255050, C514S256000, C514S314000, C514S333000, C514S339000, C548S508000, C546S167000, C546S201000, C546S277400, C544S111000, C544S333000, C544S405000
Reexamination Certificate
active
10198680
ABSTRACT:
An isomer, enantiomer, diastereoisomer, or tautomer of a compound, represented by formula I:wherein:A is O, S, NR1, or CR1, wherein R1is defined herein;----- represents either a single or a double bond;R2is selected from: H, halogen, R21, OR21, SR21, COOR21, SO2N(R22)2, N(R22)2, CON(R22)2, NR22C(O)R22or NR22C(O)NR22wherein R21and each R22is defined herein;B is NR3or CR3, with the proviso that one of A or B is either CR1or CR3,wherein R3is defined herein;K is N or CR4, wherein R4is defined herein;L is N or CR5, wherein R5has the same definition as R4defined above;M is N or CR7, wherein R7has the same definition as R4defined above;Y1is O or S;Z is N(R6a)R6or OR6, wherein R6ais H or alkyl or NR61R62wherein R61and R62are defined herein;a salt or a derivative thereof, as an inhibitor of HCV NS5B polymerase.
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Beaulieu Pierre Louis
Fazal Gulrez
Gillard James
Jolicoeur Eric
Kukolj George
Balasubramanian Venkataraman
Boehringer Ingelheim (Canada) Ltd.
Devlin Mary-Ellen M.
Dow David
Morris Michael
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