发明授权
US5395824A Dipeptide derivative and prophylactic and therapeutic agent for bone diseases containing the same 失效
二肽衍生物及其含有骨病的预防和治疗剂

Dipeptide derivative and prophylactic and therapeutic agent for bone
diseases containing the same
摘要:
A prophylactic or therapeutic agent for malignant hypercalcemia, bone Paget's disease and osteoporosis is disclosed, which contains as an active ingredient a dipeptide derivative represented by formula:R.sup.1 NH--CH(R.sup.2)--CO--NH--CH(R.sup.3)--R.sup.4 (I)wherein R.sup.1 represents an aliphatic acyl group, a halogen-substituted aliphatic acyl group, or benzyloxycarbonyl group; R.sup.2 represents a lower alkyl group or an aralkyl group; R.sup.3 represents a lower alkyl group, an aralkyl group, or methylthioethyl group; R.sup.4 represents formyl group, an aliphatic acyl group, an aliphatic acyl group substituted with a halogen atom or a lower alkoxycarbonyl group, a di-lower alkoxymethyl group, a diacyloxymethyl group, a lower alkoxalyl group, a 1-hydroxy-2-lower alkoxycarbonylethyl group, a halogen-substituted 1-hydroxy-2-lower alkoxycarbonylethyl group, hydroxyiminomethyl group, ureidoiminomethyl group, benzimidazol-2-yl group, or a group: ##STR1## wherein A and B, which may be the same or different, each represents O, S, NH; and n represents 2 or 3; provided that R.sup.4 is not a formyl group when R.sup.3 is an n-butyl group.
信息查询
0/0