The invention relates to spirocyclically substituted 1,3-propane dioxide derivatives, and to the physiologically compatible salts thereof.The invention relates to compounds of the formula Iin which R1, R2, R3, R4, R5, R6, R7, R8, A and X are each defined as specified, and the physiologically compatible salts thereof. The compounds are suitable, for example, for treatment of diabetes.本發明係關於螺環性取代之1,3-丙烷二氧化物衍生物及其生理上相容之鹽類。本發明係關於式I化合物其中R1、R2、R3、R4、R5、R6、R7、R8、A和X各自係如所述之定義,及其生理上相容之鹽類。該等化合物係適合,例如用於治療糖尿病。