Oxadiazolopyrimidine derivatives of the formula ##STR1## wherein R and R.sub.1 are as hereinafter described, prepared, inter alia, by cyclizing a compound of the formula ##STR2## wherein R and R.sub.1 are as hereinafter described. The end products are useful in the treatment of vascular-conditioned hypertension or as vasodilators in the case of peripheral blood supply disorders.
Oxadiazolopyrimidine衍
生物的
化学式为##STR1##其中R和R.sub.1如下所述,通过将化合物##STR2##环化制备,其中R和R.sub.1如下所述。最终产物在治疗血管条件性高血压或作为外周血液供应障碍的血管扩张剂中是有用的。