It has been proposed a novel method for obtaining of 1,2,3,4-tetrahydroisoquinoline-7-carboxylic acid as Arg-mimetic within the framework of search for novel fibrinogen receptor antagonists. New alpha (IIb)beta(3) antagonists were prepared on a base of 1,2,3,4-tetrahydroisoquinoline-7-carboxylic acid. Their high antiaggregatory activities in a human platelet rich plasma and ability to block FITC-Fg binding to alpha (IIb)beta(3) on washed human platelets were estimated.
Two novel RGDF mimetics were synthesized with the use of 4-(1,2,3,4-tetrahydro-isoquinoline-7-yl)amino-4-oxo-butyric acid as a new surrogate of Arg-Gly motif. The synthesized compounds have demonstrated a high potency to inhibit platelet aggregation in vitro and to block FITC-Fg binding to alphaIIbbeta3 on washed human platelets.
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