2-Substituted-1,3-propylidenediphosphonates of formula (I), where A, R.sup.1 and R.sup.2 are defined in claim 1, are therapeutically active compounds, namely for the treatment of cardiovascular diseases. They can be prepared by reacting phosphonating agents with 1,3- dibromopropanes or ditosylates of 1,3-propanediols substituted in position 2. ##STR1## .
公式(I)中A、R.sup.1和R.sup.2如权利要求1所定义的2-取代-1,3-
丙烯基
二膦酸酯是治疗活性化合物,主要用于治疗心血管疾病。它们可以通过将膦化剂与在位置2取代的
1,3-丙二醇的
1,3-二溴丙烷或二对
甲苯磺酸酯反应制备。