Lg Life Sciences, Limited

Elcom Biotechnology, Co. Ltd.

Hak-Joong Kim

Ji-Young Lee

Jin-Ho Lee

Sang-Kyun Lee

Jong-Hyun Kim

Chung-Mi Kim

Tae-Saeng Choi

Hyun-Ho Chung

Sun-Hwa Lee

Sang-Hyun Sung

Shin-Wu Jeong

Jung-Kwon Yoo

Jong-Sung Koh

Young-Choong Kim

You-Seung Shin

Ki-Yong Lee

Kwi-Hwa Kim

So-Young Kang

Jeong-Seon Yoon

Hyun-Il Lee

The present invention relates to compounds of the following formula (I) or pharmaceutically acceptable salts thereof. The present invention also relates to use for a cognitive-enhancing agent of compounds of the following formula (I) or pharmaceutically acceptable salts thereof and to a process for preparing the same. Further, the present invention relates to use for a congnitive-enhancing agent of decursin of the following formula (II) or pharmaceutically acceptable salts thereof. In addition, the present invention relates to extracts ofRadix comprising decursin of the following formula (II), having cognitive-enhancing effects.

Pyranocoumarin derivatives

The present invention relates to a novel pyrrole derivative which shows an inhibitory activity against farnesyl transferase or pharmaceutically acceptable salts or isomers thereof; to a process for preparation of said compound; and to a pharmaceutical composition such as anti-cancer composition, etc. comprising said compound as an active ingredient together with pharmaceutically acceptable carrier.

Pyrrole derivatives useful for farnesyl transferase inhibitors and their preparations

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Seoul, South Korea

Hak-Joong Kim