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是可能被取代的苯环;R是氢原子或可能被取代的碳氢基团;B是可以酯化或酰胺化的羧基;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,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药物制剂,其中包括化合物(I)或其盐。化合物(I)及其盐表现出优异的抑制骨吸收活性。