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.
1-[(4-
氯苯基)苯基甲基]-4-[(4-甲基苯基)磺酰基]
哌嗪的左旋和右旋对映体,以及它们的制备和用于制备1-[(4-
氯苯基)苯基甲基]
哌嗪的基本光学纯度对映体,这些对映体本身是制备具有非常高光学纯度的光学活性治疗化合物的有价值中间产物。