Several 2'-phenyl-spiro [1, 3-dioxolane-2, 5'-indazoles] having alkyl or alkoxy side chains at 1'(III), 3'a (IV) and 3'(V) were prepared as analgesic agents. III and IV were derived to oxo-indazoles (VII, VIII), which were hydrogenated to give the corresponding hydroxy indazoles (IX, X). Some of these compounds showed slight analgesic activity.
制备了几种在 1'(III)、3'a(IV)和 3'(V)处具有烷基或烷氧基侧链的 2'-苯基-螺[1,3-二
氧戊环-2,5'-
吲唑]作为镇痛剂。III 和 IV 衍生为氧化
吲唑(VII、VIII),氢化后得到相应的羟基
吲唑(IX、X)。其中一些化合物显示出轻微的镇痛活性。