申请人:Synttex (U.S.A.) Inc.
公开号:US06030962A1
公开(公告)日:2000-02-29
This invention provides Vitamin D.sub.3 analogs of the Formula I ##STR1## wherein: X is H.sub.2 or CH.sub.2 ; Y is hydrogen, hydroxy or fluorine; Z is hydroxy; R.sub.1 and R.sub.2 are a (C.sub.1 -C.sub.4) alkyl or fluoroalkyl, or R.sub.1 and R.sub.2 together with C.sub.25 form a (C.sub.3 -C.sub.6) cycloalkyl or cyclofluoroalkyl; R.sub.3 and R.sub.4 are a (C.sub.1 -C.sub.4) alkyl or fluoroalkyl, or R.sub.3 and R.sub.4 together with C.sub.25, form a (C.sub.3 -C.sub.6)cycloalkyl or cyclofluoroalkyl; A is a single bond or a double bond; B.sub.1 is a single bond, an E-double bond, a Z-double bond or a triple bond; and B.sub.2 is a single bond, an E-double bond, a Z-double bond or a triple bond; and prodrugs thereof, intermediates and methods for preparation of these analogs, pharmaceutical compositions containing such analogs and methods for treatment of osteoporosis, hyperparathyroidism and autoimmune diseases.
本发明提供了公式I的维生素D.sub.3类似物,其中:X是H.sub.2或CH.sub.2; Y是氢、羟基或氟; Z是羟基; R.sub.1和R.sub.2是(C.sub.1-C.sub.4)烷基或氟代烷基,或者R.sub.1和R.sub.2与C.sub.25一起形成(C.sub.3-C.sub.6)环烷基或环氟代烷基; R.sub.3和R.sub.4是(C.sub.1-C.sub.4)烷基或氟代烷基,或者R.sub.3和R.sub.4与C.sub.25一起形成(C.sub.3-C.sub.6)环烷基或环氟代烷基; A是单键或双键; B.sub.1是单键、E-双键、Z-双键或三键; B.sub.2是单键、E-双键、Z-双键或三键; 以及其前药、中间体和制备这些类似物的方法,含有这些类似物的制药组合物以及治疗骨质疏松症、甲状旁腺功能亢进和自身免疫性疾病的方法。