Eisai Company, Limited

Eisai R&d Management Co., Ltd.

Makoto Ogo

Koichi Ito

Koki Kawano

Satoshi Nagato

Kohshi Ueno

Yoshihiko Norimine

Masataka Ueno

Shinji Hatakeyama

Takahisa Hanada

Hiroyuki Amino

Terence Smith

Anthony John Groom

Leanne Rivers

Yoshio Urawa

Hiroyuki Naka

The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof.  In the formula, Q indicates NH, O or S; and R, R, R, Rand Rare the same as or different from each other and each indicates hydrogen atom, a halogen atom, a Calkyl group or a group represented by the formula &#x2014;X-A (wherein X indicates a single bond, an optionally substituted Calkylene group etc.; and A indicates an optionally substituted Caromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).

1,2-dihydropyridine compounds, manufacturing method thereof and use thereof

The present invention provides a novel compound having an excellent AMPA receptor inhibitory action and/or kainate inhibitory action. A compound represented by the following formula, a salt thereof or hydrates thereof. In the formula, Q indicates NH, O or S; and R, R, R, Rand Rare the same as or different from each other and each indicates hydrogen atom, a halogen atom, a Calkyl group or a group represented by the formula &#x2014;X-A (wherein X indicates a single bond, an optionally substituted Calkylene group etc.; and A indicates an optionally substituted Caromatic hydrocarbocyclic group or 5- to 14-membered aromatic heterocyclic group etc.).

1,2-dihydropyridine compounds, process for preparation of the same and use thereof

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Ibaraki, Japan

Makoto Ogo