Intermediate for synthesis of anticoagulant agents

摘要

This invention relates to a chemical intermediate wherein f is 0, 1, 2 or 3, which is useful for the synthesis of a compound of the Formula I X-C(O)-Y-G-RI (wherein X, Y, G and R have the values defined in the description), or a pharmaceutically acceptable salt thereof, which compound of Formula I or salt and pharmaceutical compositions comprising such a compound or salt are useful as thrombin inhibitors, coagulation inhibitors and agents for the treatment of thromboembolic disorders.