Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-08-24
2010-11-30
Andres, Janet L. (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C549S389000, C549S392000, C549S403000, C514S457000
Reexamination Certificate
active
07842721
ABSTRACT:
A pharmaceutical composition having a cytotoxic effect to a cancer cell is provided. The pharmaceutical composition includes a flavonoid compound having a formula aswherein B ring is a 4-oxo-cyclohexa-2,5-dienyl group, and any one of R1-R12is one selected from a group consisting of hydrogen group, hydroxyl group, C1-C20 alkyl group, C1-C20 ether group, C1-C20 ester group, carboxyl group, halogen and sugar. The flavonoid compound is obtained from a chemical method being one of a total synthesis method and a semi-synthesis method.
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Chang Fang-Rong
Lee Kuo-Hsiung
Lin An-Shen
Wu Yang-Chang
Andres Janet L.
Covington Raymond
Kaohsiung Medical University
Volpe and Koenig P.C.
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