申请人:Takeda Chemical Industries, Ltd.
公开号:US04889953A1
公开(公告)日:1989-12-26
Compounds of the formula: ##STR1## wherein R.sup.1 is a higher alkyl group which may be substituted; R.sup.2 is a hydrogen, a lower alkyl group which may be substituted, a lower alkanoyl group which may be substituted or a lower alkylthiocarbamoyl group; R.sup.3 is a primary to tertiary amino group or a quaternary ammonium group; and n is 2 or 3, and salts thereof, have antitumor activity and platelet activating factor inhibitory activity.
式: ##STR1## 其中,R.sup.1是可以被取代的较高烷基基团;R.sup.2是氢、可以被取代的较低烷基基团、可以被取代的较低烷酰基团或可以被取代的较低烷基硫代甲酰基团;R.sup.3是初级到三级氨基团或季铵基团;n为2或3,以及其盐,具有抗肿瘤活性和血小板活化因子抑制活性。