Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-05-02
2006-05-02
Rao, Deepak (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
07037915
ABSTRACT:
The present invention provides a pharmaceutical composition which is useful as a phosphatidylinositol 3 kinase (PI3K) inhibitor and an antitumor agent, and it provides a novel bicyclic or tricyclic fused heteroaryl derivative or a salt thereof which possesses an excellent PI3K inhibiting activity and cancer cell growth inhibiting activity.
REFERENCES:
patent: 2039663 (1972-02-01), None
patent: 276057 (1988-07-01), None
Hayakawa Masahiko
Kaizawa Hiroyuki
Kawaguchi Ken-Ichi
Koizumi Tomonobu
Matsuda Koyo
Astellas Pharma Inc.
Fulbright & Jaworski L.L.P.
Imperial Cancer Research Technology Ltd.
Rao Deepak
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