| 摘要 |
<p>Disclosed is an optically active 4-phenylthiazole derivative having a thrombopoietin receptor agonist activity. Also disclosed is a pharmaceutical composition containing such a compound as an active ingredient, which makes an orally administrable platelet production control agent. Specifically disclosed is a pharmaceutical composition containing, as an active ingredient, an optically active compound represented by the formula below, a pharmaceutically acceptable salt thereof, or a solvate of any of them. (In the formula, R1 represents a halogen atom or a C1-C3 alkyloxy group; R2 represents a C1-C8 alkyl group; R3 represents a C1-C8 alkyl group; R4 and R5 independently represent a fluorine atom or a chlorine atom; R6 represents a C1-C3 alkyl group or a C1-C3 alkyloxy group; and * represents an asymmetric carbon atom.).</p> |
