反应详情

5-(1-piperazinyl)benzofuran-2-carboxamide or a corresponding salt is reacted with 3-(4-chlorobutyl)-5-cyanoindole to give 1-[4-(5-cyanoindol-3-yl)butyl]-4-(2-carbamoylbenzofuran-5-yl)piperazine and optionally then converted into its acid addition salt.