Compounds of the formula:
wherein R¹ is a higher alkyl group which may be substituted; R² is hydrogen, a lower alkyl group which may be substituted, a lower alkanoyl group which may be substituted or a lower alkylthiocarbamoyl group; R³ 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.
式中,R¹为可被取代的高级烷基;R²为氢、可被取代的低级烷基、可被取代的低级烷酰基或低级烷基
硫代
氨基甲酰基;R³为伯至叔
氨基或季
铵基;n为2或3,其化合物及其盐类具有抗肿瘤活性和血小板活化因子抑制活性。