Compounds or salts thereof represented by the formula (I) wherein R1 represents hydrogen atom, a C1-6 alkyl group, a C1-6 alkenyl group, or an acyl group, R2 and R3 represent hydrogen atom or a C1-6 alkyl group, or adjacent R2 and R3 may combine to form 5- to 7-membered ring, R4 represents hydrogen atom, hydroxyl group, a C1-6 alkoxyl group, a C1-6 alkyl group, HAr represents a heteroaryl-diyl group consisting of a 5-membered or 6-membered ring containing 1 to 3 hetero atoms, R5 represents hydrogen atom or a C1-6 alkyl group. The compounds or the salts thereof have retinoid-like physiological activities or controlling activity on physiological activities of retinoid.
由式(I)代表的化合物或其盐 其中 R1 代表氢原子、C1-6 烷基、C1-6 烯基或酰基,R2 和 R3 代表氢原子或 C1-6 烷基,或相邻的 R2 和 R3 可结合形成 5 至 7 元环、R4 代表氢原子、羟基、C1-6 烷氧基、C1-6 烷基,HAr 代表杂芳基二基,由含有 1 至 3 个杂原子的 5 元环或 6 元环组成,R5 代表氢原子或 C1-6 烷基。这些化合物或其盐类具有类似
视黄醇的生理活性或控制
视黄醇生理活性的活性。