A methanediphosphonate derivative represented by general formula (1), wherein R₁, R₂, R₃ and R₄ represent each independently a pharmacologically acceptable cation, hydrogen, or C₁-C₄ linear or branched alkyl; R₅ represents hydrogen or trialkylsilyl; m represents an integer of 0 to 3; n represents an integer of 1 to 3; R₆ and R₇ represent each independently hydrogen or alkyl; X represents hydrogen, halogen, alkyl, alkoxy or alkylthio. This compound is excellent in anti-inflammatory effect, antipyretic and analgesic effects or the effect of ameliorating bone anomaly caused by rheumatism, arthritis, osteoporosis and so forth, thus being useful as anti-inflammatory, antirheumatic and a remedy for bone metabolism disorder.
通式(1)代表的
甲烷二膦酸盐衍
生物,其中 R₁、R₂、R₃ 和 R₄ 各自独立地代表药理学上可接受的阳离子、氢或 C₁-C₄ 直链或支链烷基;R₅ 代表氢或三烷基
硅烷基;m 代表 0 至 3 的整数;n 代表 1 至 3 的整数;R₆ 和 R₇ 各自独立地代表氢或烷基;X 代表氢、卤素、烷基、烷氧基或
硫代烷基。该化合物具有很好的抗炎、解热和镇痛作用,或改善风湿、关节炎、骨质疏松症等引起的骨异常的作用,因此可作为抗炎、抗风湿和治疗骨代谢紊乱的药物。