申请人:Takeda Chemical Industries, Ltd.
公开号:US04362740A1
公开(公告)日:1982-12-07
New spiro compounds of the formula: ##STR1## wherein n is an integer of 1 to 4, and X is halogen, lower alkyl, nitro, amino which may be substituted, hydroxyl which may be substituted, acyl, carboxyl, lower alkoxycarbonyl, carbamoyl which may be substituted, sulfamoyl which may be substituted, lower alkylthio or lower alkylsulfonyl, or two of X at the 5- and 6-positions together form --CH.dbd.CH--CH.dbd.CH--, exhibit inhibitory activity to thrombocyte aggregation and are useful for the prophylaxis or treatment of cardiovascular disturbance such as thrombosis.
新的螺环化合物的化学式为:##STR1## 其中n为1至4的整数,X为卤素、较低烷基、硝基、氨基(可能被取代)、羟基(可能被取代)、酰基、羧基、较低烷氧羰基、羰基(可能被取代)、磺胺基(可能被取代)、较低烷基硫醚或较低烷基磺酰基,或X在5-和6-位置上形成--CH.dbd.CH--CH.dbd.CH--,具有抑制血小板聚集的活性,并可用于预防或治疗心血管紊乱,如血栓形成。