| 摘要 |
Compounds or salts thereof represented by the formula (I) wherein R<1> represents hydrogen atom, a C1-6 alkyl group, a C1-6 alkenyl group, or an acyl group, R<2> and R<3> represent hydrogen atom or a C1-6 alkyl group, or adjacent R<2> and R<3> may combine to form 5- to 7-membered ring, R<4> 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, R<5> 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. <CHEM> |
