This invention is directed to 8-phenyl-purines of general formula ##STR1## wherein R.sub.1 is a hydrogen or halogen atom; an alkoxy group optionally substituted by alkylmercapto, alkylsulfinyl or alkylsulfonyl group; or an alkylmercapto, alkylsulfinyl or alkylsulfonyl group, whereby each alkyl moiety may contain from 1 to 3 carbon atoms, and R.sub.2 is an alkoxy group with from 1 to 3 carbon atoms, and their physiologically compatible acid addition salts. The compounds exhibit valuable pharmacological properties, particularly positive inotropic activity.
本发明涉及一般式为##STR1##的8-苯基
嘌呤,其中R.sub.1是氢原子或卤素原子;或者是可选地被烷基
硫醇基,烷基亚磺酰基或烷基磺酰基取代的烷氧基;或者是烷基
硫醇基,烷基亚磺酰基或烷基磺酰基,其中每个烷基部分可以含有1到3个碳原子;R.sub.2是带有1到3个碳原子的烷氧基,以及它们的生理相容性酸盐。这些化合物表现出有价值的药理特性,尤其是正性肌力作用。