Kyorin Pharmaceutical Co., Ltd.

Kazuya Yokota

Yasumichi Fukuda

Koji Murakami

Yoshikazu Asahina

Kohei Ohata

Toshiyuki Matsui

Tomohiro Ide

Summary Novel bicycloester derivatives and pharmaceutically acceptable salts thereof have high DPP-IV inhibitory activity. Solving Means The novel bicycloester derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[(N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).

Bicycloester derivative

Novel bicycloester derivatives and pharmaceutically acceptable salts thereof have high DPP-IV inhibitory activity. The novel bicycloester derivatives are represented by the general formula (1): Pharmaceutically acceptable salts thereof are also included (Example: (2S,4S)-1-[[N-(4-ethoxycarbonylbicyclo[2.2.2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile)).

A novel bicyclo derivative represented by the following general formula (1), or a pharmaceutically acceptable salt thereof, acts as an effective DPP-IV inhibitor:  One example is (2S,4S)-1-[[N-(4-methylbicyclo[2,2,2]oct-1-yl)amino]acetyl]-4-fluoropyrrolidine-2-carbonitrile).

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Tochigi, Japan

Kazuya Yokota