The present invention relates to oxazolopyrimidine compounds of the formula I,in which A, R1, R2, R3and X are defined as indicated in the claims. The compounds of the formula I are suitable e.g. for wound healing.本發明係關於式I之唑并嘧啶化合物其中A、R1、R2、R3及X是如申請專利範圍中所示的定義。式I化合物是合適例如用於傷口癒合。