申请人:KYOWA HAKKO KOGYO CO., LTD.
公开号:EP0578419A1
公开(公告)日:1994-01-12
Disclosed are pyridine derivative of the formula (I)
where R¹ and R² independently represent hydrogen or lower alkyl and R³ and R⁴, when taken separately, represent hydrogen, lower alkyl, alicyclic alkyl, substituted or unsubstituted polycyclic alkyl, substituted or unsubstituted aryl, or a substituted or unsubstituted heterocyclic group, or when together form a substituted or unsubstituted alicyclic N-containg heterocyclic group, pharmaceutically acceptable salts thereof. The compounds exhibit bone resorption inhibitng effect and are useful in the treatment of osteoporosis.
公开了式 (I) 的吡啶衍生物
其中 R¹ 和 R² 独立地代表氢或低级烷基,R³ 和 R⁴ 分开代表氢、低级烷基、脂环烷基、取代或未取代的多环烷基、取代或未取代的芳基或取代或未取代的杂环基团,或共同形成取代或未取代的脂环 N-containg 杂环基团时,其药学上可接受的盐。这些化合物具有骨吸收抑制作用,可用于治疗骨质疏松症。