Analogs of green tea polyphenols as chemotherapeutic and...

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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C514S460000, C549S396000, C549S399000, C549S404000

Reexamination Certificate

active

07122573

ABSTRACT:
Novel compounds useful as chemotherapeutic and chemopreventive agents are provided. The compounds are analogs of polyphenol catechins that occur in green tea, such as epigallocatichin-3-gallate (EGCG), and have the structure of formula (I)wherein R1through R11are defined herein. Preferred R4moieties are selected from O, S, NH and CH2, and in exemplary compounds, R4is O and R5is a tri-substituted aroyloxy substituent, such as a 3,4,5-substituted benzoyloxy group. Pharmaceutical compositions are provided as well, as are methods of chemotherapy and chemoprevention.

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