Enantiomers of 1-(4-chlorophenyl)phenylmethyl!-(4-methylphenyl)sulfonyl!p i
AssigneeU C B S.A.
InventorsEric Cossement, Guy Bodson, Jean Gobert
Life of this patent
Estimating the term…
Abstract
Levorotatory and dextrorotatory enantiomers of 1-(4-chlorophenyl)phenylmethyl!-4-(4-methylphenyl)sulfonyl!piperazine of the formula ##STR1## their preparation and use for the preparation of substantially optically pure enantiomers of 1-(4-chlorophenyl)phenylmethyl!piperazine, which are themselves valuable intermediate products for the preparation of optically active therapeutic compounds having a very high degree of optical purity.
Claims1
A method for achieving a tranquilizing or anxiolytic effect in a patient in need thereof, which comprises administering to said patient an effective amount of the dextrorotatory dihydrochloride of 2-2-4-(4-chlorophenyl)phenylmethyl!-1-piperazinyl!ethoxy!ethanol.
Dependencies are inferred from the claim text.