| abstract |
This invention relates to (3-cyano-1H-indol-7-yl) - [4- (4-fluorophenethyl) piperazin-1-yl] methanone and its salts. The process is characterized in that an indole ester of formula (II) wherein R is a C 6 alkyl or aralkyl group, is converted to 3-cyano-1 H -indole-7-carboxylic acid, and the resulting products are converted to 1- [2- ( With 4-fluorophenyl) ethyl] piperazine or a salt thereof to give the compound of formula (I). HE |