A methanediphosphonate derivative represented by general formula (I), which is excellent in the activities of IL-1 inhibition, oxidation resistance and inhibition of bone resorption, and is useful as an anti-inflammatory, antirheumatic, drug for autoimmune diseases, and so forth, wherein X and Y represent each a substituent on the nephthalene ring, such as halogen; m is an integer of 0 to 3; n is an integer of 0 to 4; symbol represents a double or a single bond; A represents, for example, -(CH₂)a-(D)b-(CH₂)c- wherein D represents sulfur, oxygen, NH, alkyl-substituted nitrogen or CH₂, a and c represent each an integer of 0 to 10, and b represents 0 or 1; B represents hydrogen, etc.; and R¹, R², R³ and R⁴ represent each hydrogen, etc.
一种由通式(I)代表的
甲烷二膦酸盐衍
生物,该衍
生物在抑制IL-1、抗氧化和抑制骨吸收等活性方面表现优异,可用作抗炎药、抗风湿药、治疗自身免疫性疾病的药物等,其中X和Y分别代表
萘环上的一个取代基,如卤素;m 是 0 至 3 的整数;n 是 0 至 4 的整数;符号代表双键或单键;A 代表,例如,-(CH₂)a-(D)b-(CH₂)c- 其中 D 代表
硫、氧、NH、烷基取代的氮或 CH₂,a 和 c 分别代表 0 至 10 的整数,b 代表 0 或 1;B 代表氢等。R¹、R²、R³ 和 R⁴ 分别代表氢等。