Aminopyridine derivatives having aurora A selective...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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Details

C514S340000, C514S341000, C514S342000, C544S405000, C546S268400, C546S268700, C546S269100, C546S270700, C546S275400

Reexamination Certificate

active

07915263

ABSTRACT:
The present invention relates to a compound of formula I:wherein: R1is a hydrogen atom, F, CN, etc.; R1′ is a hydrogen atom or lower alkyl which may be substituted; R2is O, S, SO, SO2, etc.; R3is a phenyl which may be substituted; X1, X2, and X3each independently CH, N, etc. provided, however, that among X1, X2and X3, the number of nitrogen is 0 or 1; W is the following residue:wherein: W1, W2, and W3each independently CH, N, etc.,or a pharmaceutically acceptable salt or ester thereof.

REFERENCES:
patent: 2006/0106029 (2006-05-01), Ohkubo et al.
patent: WO01/17995 (2001-03-01), None
patent: WO02/30358 (2002-04-01), None
patent: WO 02/45652 (2002-06-01), None
patent: WO 02/50065 (2002-06-01), None
patent: WO02/50066 (2002-06-01), None
patent: WO 02/059112 (2002-08-01), None
patent: WO 02/062789 (2002-08-01), None
patent: WO 02/066461 (2002-08-01), None
patent: WO 02/068415 (2002-09-01), None
patent: WO02/094264 (2002-11-01), None
patent: WO2006/053109 (2006-05-01), None
patent: WO2006/067466 (2006-06-01), None
patent: WO2006/074262 (2006-07-01), None
patent: WO2006/124874 (2006-11-01), None

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