The invention concerns acid derivatives of formula I R.sup.1 --CON(R.sup.2)--N(R.sup.3)CO--X.sup.1 --Q--X.sup.2 --GI and pharmaceutically acceptable metabolically labile esters or amides thereof, and pharmaceutically acceptable salts thereof, in which R.sup.1, R.sup.2, R.sup.3, X.sup.1, Q, X.sup.2 and G have the meanings given in the specification. The invention also concerns processes for the preparation of the acid derivatives of formula I, pharmaceutical compositions containing them and their use as inhibitors of the binding of fibrinogen to glycoprotein IIb/IIIa.
本发明涉及公式I的酸衍
生物,其中R.sup.1 --CON(R.sup.2)--N(R.sup.3)CO--X.sup.1 --Q--X.sup.2 --GI及其药学上可接受的代谢易降解酯或酰胺,以及其药学上可接受的盐,其中R.sup.1,R.sup.2,R.sup.3,X.sup.1,Q,X.sup.2和G具有规范中给出的含义。本发明还涉及制备公式I的酸衍
生物的方法,含有它们的制药组合物以及它们作为
纤维蛋白原与糖蛋白IIb/IIIa的结合
抑制剂的用途。