There is provided a NKT cell augmentation-mediated autoimmunosuppressant and/or potentiator on normal immune responses characterized by its comprising a compound of the following general formula or a pharmaceutically acceptable salt thereof as an active ingredient.
[wherein R1 represents hydrogen or halogen,
R2 represents hydroxy,
R3 represents lower alkyl,
R4 represents lower alkyl,
R5 represents hydrogen or lower alkoxy, and
Z represents O or S]
Also provided is a novel process for synthesizing the above compound.
提供了一种NKT细胞增强介导的自身
免疫抑制剂和/或正常免疫反应增强剂,其特征在于包含以下通式化合物或其药学上可接受的盐作为活性成分。[其中R1代表氢或卤素,R2代表羟基,R3代表低级烷基,R4代表低级烷基,R5代表氢或低级烷氧基,且Z代表O或S]还提供了一种合成上述化合物的新方法。