A N.sup.6 -substituted-9-[3-(4-phenyl-piperazino)-propyl]-adenine of the formula ##STR1## wherein R.sub.1 is hydrogen or a lower alkyl radical, and R.sub.2 is a lower alkyl radical, a lower alkyl radical substituted by at least one of phenyl and hydroxyl, a lower alkenyl radical, a cycloalkyl radical or an aryl radical, or R.sub.1 and R.sub.2 together with the nitrogen atom to which they are attached form a piperidine, pyrrolidine or morpholine ring, and R.sub.3 is hydrogen, halogen, a lower alkyl radical or a lower alkoxy radical, Or a salt thereof with a pharmacologically compatible acid, which compounds are characterized by marked anti-edematous activity as well as by activity in reducing capillary permeability.
化学式为##STR1##的A N.sup.6 -取代-9-[3-(4-苯基
哌嗪基)-丙基]-
腺嘌呤,其中R.sub.1是氢或较低的烷基基团,而R.sub.2是较低的烷基基团,一个被苯基和羟基中的至少一个取代的较低烷基基团,较低烯基基团,环烷基团或芳基基团,或者R.sub.1和R.sub.2与它们附着的氮原子一起形成
哌啶,
吡咯烷或吗啉环,而R.sub.3是氢,卤素,较低烷基基团或较低烷氧基基团,或其与药理兼容的酸形成的盐,这些化合物具有显著的抗
水肿活性以及减少毛细血管通透性的活性。