abstract |
A process for the preparation of clopidogrel (1) (see formula 1) by the reaction of N, N`-bis-4,5,6,7-tetrahydro- [3,2-c] thienopyridylmethane (12) (see formula 12) with derivatives of acid (r) -2-chlorophenylacetic for formula (13) (see formula 13) in which X and R have the meanings indicated in the description. |