申请人:Taisho Pharmaceutical Co., Ltd.
公开号:US05047564A1
公开(公告)日:1991-09-10
A fluorine-containing vitamin D.sub.2 derivative represented by the following formula ##STR1## wherein R.sup.1 represents a methyl or trifluoromethyl group, and R.sup.2 represents a trifluoromethyl group when R.sup.1 is a methyl group, and a hydrogen atom or a methyl group when R.sup.1 is a trifluoromethyl group. This compound is useful for the prevention or treatment of calcium pathobolism or osteoporosis.
一种含氟维生素D.sub.2衍生物,其化学式如下所示##STR1##其中R.sup.1代表甲基或三氟甲基基团,R.sup.2代表三氟甲基基团,当R.sup.1为甲基基团时,R.sup.1为三氟甲基基团时代表氢原子或甲基基团。该化合物对于预防或治疗钙代谢异常或骨质疏松症具有用处。