Compounds of the general formula (I) or salts thereof and activators of PPARδ (peroxisome proliferator activated receptor δ) containing the compounds or the salts as the active ingredient: wherein R1 and R2 each are hydrogen, C1-8 alkyl, an aryl or heterocyclic group which may be substituted, or the like; A is oxygen, sulfur, or the like; X1 and X2 are each a free valency, oxygen, S(O)p (wherein p is an integer of 0 to 2), C(=O), C(=O)NH, NHC(=O), CH=CH, or the like; Y is optionally substituted C1-8 alkylene; Z is oxygen or sulfur; R3 and R4 are each optionally substituted C1-8 alkyl; and R8 is hydrogen or C1-8 alkyl, with the proviso that when X1 is a free valency, X2 is not O or S(O)p, while when X1 is C(=O)NH, X2 is not a free valency.
通式(I)的化合物或其盐类以及以该化合物或其盐类为活性成分的
PPARδ(
过氧化物酶体增殖物活化受体δ)激活剂:其中 R1 和 R2 各为氢、C1-8 烷基、可被取代的芳基或杂环基团或类似物;A 为氧、
硫或类似物;X1 和 X2 各为游离价、氧、S(O)p(其中 p 为 0 至 2 的整数)、C(=O)、C(=O)NH、NHC(=O)、CH=CH 或类似物;Y 是任选取代的 C1-8 亚烷基;Z 是氧或
硫;R3 和 R4 分别是任选取代的 C1-8 烷基;R8 是氢或 C1-8 烷基,但条件是当 X1 是自由价时,X2 不是 O 或 S(O)p,而当 X1 是 C(=O)NH 时,X2 不是自由价。