still for framstellning of tioxanten - 9 - ylidene - piperidinderivat with antipsychotic effect

摘要

1-Methyl-4-[2-(trifluoromethylthio)thioxanthen-9-ylidene]piperidine and the corresponding 2-trifluoromethylsulfonyl compound are antipsychotic agents. They are prepared by dehydration of the corresponding 9-hydroxy-9-piperidyl compounds.