The present invention provides a sulfur-containing heterocyclic compound of the formula (I) ##STR1## wherein ring A is a benzene ring which may be substituted; R is a hydrogen atom or a hydrocarbon group which may be substituted; B is a carboxyl group which may be esterified or amidated; X is --CH(OH)-- or --CO--; k is 0 or 1; and k' is 0, 1 or 2 or a pharmaceutically acceptable salt thereof. Also, it provides a process for producing the compound (I) or a salt thereof and a pharmaceutical preparation for use in the treatment of osteoporosis comprising the compound (I) or salt thereof. The compounds (I) and salts thereof show excellent bone resorption inhibitory activity.
本发明提供了一种含
硫杂环化合物,其
化学式为(I) ##STR1## 其中环A是苯环,可以被取代;R是氢原子或烃基,可以被取代;B是羧基,可以被酯化或酰胺化;X是--CH(OH)--或--CO--;k为0或1;k'为0、1或2,或其药学上可接受的盐。此外,本发明还提供了一种制备化合物(I)或其盐的方法,以及一种用于治疗骨质疏松症的制药配制物,其中包含化合物(I)或其盐。化合物(I)及其盐表现出优异的骨吸收抑制活性。