Compounds of the formula ##STR1## in which Ar represents optionally substituted 1,2-phenylene, X.sub.1 represents oxygen or sulphur, R.sub.1 represents the radical of the formula ##STR2## in which Ph represents optionally substituted phenylene, X.sub.2 represents oxygen or sulphur, R.sub.3 and R.sub.4 independently of one another denote hydrogen or alkyl and R.sub.5 represents optionally etherified hydroxyl or optionally substituted amino and in which R.sub.2 denotes hydrogen, lower alkyl or the radical of the formula Ia and one of the groups R.sub.1 and R.sub.2 takes up the 2-position and the other takes up the 3-position, and salts of such compounds having salt-forming groups, e.g. ethyl 2-[4-(2-benzofuranyl)-phenoxy]-heptanoate. These compounds may be used as fibrinolytic and thrombolytic agents.
式为##STR1##的化合物,其中Ar代表可选择取代的1,2-苯基,X.sub.1代表氧或
硫,R.sub.1代表式##STR2##中的基团,其中Ph代表可选择取代的苯基,X.sub.2代表氧或
硫,R.sub.3和R.sub.4独立地表示氢或烷基,R.sub.5代表可选择醚化的羟基或可选择取代的
氨基,其中R.sub.2表示氢、较低的烷基或式Ia的基团,R.sub.1和R.sub.2中的一个占据2位,另一个占据3位,并具有盐基团的这些化合物的盐,例如
乙酸乙酯2-[4-(2-
苯并呋喃基)-苯氧基]-
庚酸。这些化合物可用作纤溶和溶栓剂。