abstract |
New piperazine derivatives of the formula I. Y- (C m H 2m -CHR¹) n -CO- (NH-CHR²-CO) r -Z wherein R¹, R², Y, Z, m, n and r have the meanings given in claim 1, inhibit the binding of fibrinogen to the fibrinogen receptor and can be used for the treatment of thrombosis, apoplexy, heart attack, inflammation, arteriosclerosis and tumors. |