Novel substituted heterocyclic derivatives are provided which inhibit platelet aggregation. This invention also pertains to pharmaceutical compositions and methods of using such derivatives.
This application is a continuation-in-part of U.S. patent application Ser. No. 07/888,686 filed May 22, 1992, now abandoned, which in turn is a continuation-in-part of U.S. patent application Ser. No. 07/777,875 filed Oct. 15, 1991, now abandoned.
A process for preparing a compound of formula I ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, lower alkyl and halogen
A process for the synthesis of a compound of the formula ##STR1## wherein R.sup.1 is aryl, heteroaryl, substituted aryl or substituted heteroaryl and R.sup.2 is hydrogen, alkyl or aralkyl, or salt thereof.
Novel N-Acyl Beta Amino Acid derivatives of the formula ##STR1## are provided which inhibit platelet aggregation. This invention also pertains to pharmaceutical compositions and methods of using such derivatives.
A process for the synthesis of a compound of the formula ##STR1## wherein R.sup.1 is aryl, heteroaryl, substituted aryl or substituted heteroaryl and R.sup.2 is hydrogen, alkyl or aralkyl, or salt thereof.
