| abstract |
"AUTO-IMMUNOSUPPRESSORS AND / OR POTENTIALIZER MEDIATED BY THE INCREASE IN NKT CELLS, COMPOUND AND PROCESS FOR ITS PRODUCTION". an autoimmunosuppressive and / or enhancer mediated by increasing the number of NKT cells over normal immune responses is provided, typically comprising a compound of the following general formula or a pharmaceutically acceptable salt thereof as an active ingredient. [where R¹ represents hydrogen or halogen, R² represents hydroxy, R ^ 3 ^ represents lower alkyl, R ^ 4 ^ represents lower alkyl, R ^ 5 ^ represents hydrogen or lower alkoxy, and Z represents O or S]. a new process for synthesizing the above compound is also provided. |