Abstract: The present invention aims to provide a novel low-molecular-weight compound having an orexin agonist activity, which is expected to be useful as a superior agent for the treatment or prophylaxis of narcolepsy. The present invention provides a compound showing superior orexin agonist activity which is represented by the formula (I) wherein each symbol is as defined in the DESCRIPTION, and a pharmaceutically acceptable acid addition salt thereof, as well as an orexin agonist containing the compound or a pharmaceutically acceptable acid addition salt thereof.

Abstract: The present invention aims to provide a novel low-molecular-weight compound having an orexin agonist activity, which is expected to be useful as a superior agent for the treatment or prophylaxis of narcolepsy. The present invention provides a compound showing superior orexin agonist activity which is represented by the formula (I) wherein each symbol is as defined in the DESCRIPTION, and a pharmaceutically acceptable acid addition salt thereof, as well as an orexin agonist containing the compound or a pharmaceutically acceptable acid addition salt thereof.

Abstract: The compounds of the disclosure, for example, the compound represented by the formula: has excellent therapeutic and prophylactic effects against inflammatory bowel disease. Further, they are excellent in absorption and in vivo stability when administered orally in comparison with conventional compounds. That is, the compounds can be administered orally, and can have excellent therapeutic or prophylactic effect sustained for a longer period of time.

Abstract: A glycine derivative which is, e.g., the following compound (Chemical formula (1)). It is highly effective in the treatment and prevention of inflammatory bowel diseases. Compared to conventional compounds, the compound is excellent in absorbability in oral administration and in vivo stability. The compound can be orally administered and can retain an excellent therapeutic or preventive effect over a longer period.

Abstract: A process for producing a foamable thermoplastic resin article having a relatively thin non-foamed outer shell with a smooth surface and a foamed core portion, which has excellent dimensional stability, by pressurizing a mold cavity under a pressure of gas less than the foaming pressure and not less than the surface smoothing pressure of the foamable resin and permitting the pressure of the gas simultaneously with completion of the injection to be communicated to an atmospheric pressure or lower.