(+)-(S)-enantiomer of 3-{2-[4-(8-fluoro-10,11-dihydro-2-methyldibenzo[b,f]thiepin-10-yl)-1-p iperazinyl]-ethyl} -2-oxazolidinone, active as a neuroleptic agent, is described.
({30 )-(S)-Enantiomer of 3-{55 2-{8 4-(8-fluoro-10,11-dihydro-2-methyl-dibenzo{8 b,f{9 thiepin-10-yl)-1-piperazinyl{9 -ethyl{56 -2-oxazolidinone