A compound represented by the formula (I)
or the formula (II)
wherein R denotes a hydrogen atom or a lower alkyl group; Y and Z may be the same or different and independently denote alkylene groups containing 2-5 carbon atoms in their alkylene chains which may be substituted with a lower alkyl(s); X denotes a single bond or an alkylene group containing 1-10 carbon atoms in its alkylene chain which may be substituted with a lower alkyl(s); A-O- denotes a residue of a compound having an estrogenic activity and q denotes an integer of 1-3, and physiologically acceptable salts thereof.
The above compounds (I) or (II) are useful as a bone resorption inhibitor and a therapeutic agent for bone diseases.
化合物的
化学式为(I)或
化学式(II),其中R代表氢原子或较低的烷基基团;Y和Z可以相同也可以不同,独立地表示含有2-5个碳原子的烷基链的烷基基团,该烷基链可能被较低的烷基取代;X表示单键或含有1-10个碳原子的烷基链的烷基基团,该烷基链可能被较低的烷基取代;A-O-表示具有
雌激素活性的化合物的残基,q表示1-3的整数,及其生理上可接受的盐。上述化合物(I)或(II)可用作骨吸收
抑制剂和骨疾病的治疗剂。