申请人:Leiras Oy
公开号:US05438048A1
公开(公告)日:1995-08-01
Novel pharmacologically active methylenebisphosphonates having formula (I) wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently are straight or branched, optionally unsaturated C.sub.1 -C.sub.10 -alkyl, optionally unsaturated C.sub.3 -C.sub.10 -cycloalkyl, aryl, aralkyl, silyl SiR.sub.3 or hydrogen, whereby in formula (I) at least one of the groups R.sup.1, R.sup.2, R.sup.3 or R.sup.4 is hydrogen and at least one of the groups is different from hydrogen, Q.sup.1 is hydrogen, hydroxyl, halogen, amino NH.sub.2, or OR', wherein R' is C.sub.1 -C.sub.4 -lower alkyl or acyl, Q.sup.2 is straight or branched, optionally unsaturated C.sub.1 -C.sub.10 -alkyl, -hydroxyalkyl or -aminoalkyl, whereby the oxygen may, as a substituent, contain one group or the nitrogen as a substituent may contain one or two groups, which are C.sub.1 -C.sub.4 -lower alkyl or acyl, or the two substituents of the nitrogen form together with the nitrogen atom a saturated, partly saturated or an aromatic heterocyclic ring, or Q.sup.2 is optionally substituted and optionally unsaturated C.sub.3 - C.sub.10 -cycloalkyl, which optionally is bound to the molecule over a straight or branched alkylene group containing 1-4 C-atoms, including the stereoisomers, such as the geometrical isomers and the optically active isomers, of the compounds, as well as the pharmacologically acceptable salts of these compounds. ##STR1##
具有以下结构式(I)的新型药理活性亚甲基双膦酸盐,其中R.sup.1、R.sup.2、R.sup.3和R.sup.4独立地为直链或支链、可选择不饱和的C.sub.1 -C.sub.10烷基、可选择不饱和的C.sub.3 -C.sub.10环烷基、芳基、芳基烷基、硅基SiR.sub.3或氢,其中在结构式(I)中至少有一个基团R.sup.1、R.sup.2、R.sup.3或R.sup.4为氢,至少有一个基团不同于氢,Q.sup.1为氢、羟基、卤素、氨基NH.sub.2或OR',其中R'为C.sub.1 -C.sub.4较低烷基或酰基,Q.sup.2为直链或支链、可选择不饱和的C.sub.1 -C.sub.10烷基、-羟基烷基或-氨基烷基,其中氧原子可以作为取代基含有一个基团,或氮原子作为取代基可含有一个或两个基团,这些基团为C.sub.1 -C.sub.4较低烷基或酰基,或氮的两个取代基与氮原子一起形成饱和、部分饱和或芳香杂环环,或Q.sup.2可选择取代和可选择不饱和的C.sub.3 - C.sub.10环烷基,该环烷基可选择通过含有1-4个C原子的直链或支链烷基与分子结合,包括立体异构体,如几何异构体和光学活性异构体,以及这些化合物的药理学可接受盐。