| 摘要 |
Oxadiazolotriazine derivatives of the formula <IMAGE> I wherein R1, R2 and R3 are as hereinafter set forth, are described. A process for preparing compounds of formula I wherein R1 is hydrogen, R2 is a group of the formula -COOR5, wherein R5 is as hereinafter set forth, and R3 is as hereinafter set forth, by cyclizing an intermediate of the formula <IMAGE> IV wherein R3 and R5 are as hereinafter set forth, is also described. The compounds of formula I are useful in the treatment of vascular-condition hypertension or also as vasodilators in the case of peripheral blood supply disorders.
|
