Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai
Reexamination Certificate
2007-03-20
2007-03-20
Oh, Taylor Victor (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Ester doai
C560S075000, C514S532000
Reexamination Certificate
active
11079888
ABSTRACT:
According to the invention, there is provided a novel 3,4-dihydroxyhydrocinnamic acid derivative, designated DHH105, having blood glucose lowering effects in vivo as a result of the enhancement of glucose transport mediated by the increase of insulin receptor signaling.This invention thus relates to a 3,4-dihydroxyhydrocinnamic acid derivative useful as an anti-diabetic agent, represented by the following formula I:or pharmaceutically acceptable salts thereof, to a method for preparing the compound, and to a composition for treating diabetes comprising the same as an active ingredient.
REFERENCES:
Etzenhouser et al , Mechanism of toxicity of esters of Caffeic and dihydrocaffeic acids, 2001, Bioorganic & Medicinal Chemistry, 9 (1), 199-209, (p. 1).
Bok Song-Hae
Jeon Hee-Sook
Khil Lee-Yong
Kim Eun-Eai
Kim Wi
Bionutrigen Co., Ltd.
Buchanan & Ingersoll & Rooney PC
Oh Taylor Victor
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