ALPHA-ISOMER OF 2-CHLORO-9-( 3'-(N'-2-HYDROXYETHYLPIPERAZINO-N)-PROPYLIDENE)-THIAXANTHENE, CARBOXYLIC ACID ESTERS EOF AND ACID ADDITION SALTS OF THESE COMPOUNDS

摘要

THE ALPHA-ISOMER OF 2-CHLORO-9-3'-(N'-2-HYDROXYETHYL-PIPERAZINO-N)-PROPYLIDENE!-THIAXANTHENE, CARBOXYLIC ACID ESTERS THEREOF AND ACID ADDITION SALTS OF THESE COMPOUNDS. The present invention relates to the novel alpha-isomer of 2-chloro-9-3'-(N'-2-hydroxyethylpiperazino-N)-propylidene!-thiaxanthene, carboxylic acid esters thereof, the non-toxic acid addition salts of these compounds, methods of preparing and purifying the said compounds, therapeutic compositions thereof and a method of treating psychotic patients therewith.