Phenylpiperazine derivatives, method for their preparation and pharmaceutical compositions containing thereof

摘要

Described are phenylpiperazine derivatives of general formula (I), wherein R is a group of general formula (a) or (b), and salts thereof and method for their preparation by reaction of compound of general formula (II) with compound of general formula L-(a) or L-(b), wherein L is a leaving group. Described is also a pharmaceutical preparation containing at least one phenylpiperazine derivative of general formula (I) and use of derivatives in the treatment of Parkinson Disease and CNS-disorders.